1039 lines
39 KiB
C++
1039 lines
39 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#include <stdint.h>
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#include "runtime/snapshot_loader.h"
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#include "gen_cpp/PaloBrokerService_types.h"
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#include "gen_cpp/TPaloBrokerService.h"
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#include "gen_cpp/FrontendService.h"
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#include "gen_cpp/FrontendService_types.h"
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#include "gen_cpp/HeartbeatService_types.h"
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#include "common/logging.h"
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#include "exec/broker_reader.h"
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#include "exec/broker_writer.h"
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#include "olap/file_helper.h"
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#include "olap/olap_engine.h"
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#include "olap/olap_table.h"
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#include "runtime/exec_env.h"
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#include "runtime/broker_mgr.h"
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#include "util/file_utils.h"
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#include "util/frontend_helper.h"
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namespace doris {
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#ifdef BE_TEST
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inline BrokerServiceClientCache* client_cache(ExecEnv* env) {
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static BrokerServiceClientCache s_client_cache;
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return &s_client_cache;
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}
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inline const std::string& client_id(ExecEnv* env, const TNetworkAddress& addr) {
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static std::string s_client_id = "doris_unit_test";
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return s_client_id;
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}
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#else
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inline BrokerServiceClientCache* client_cache(ExecEnv* env) {
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return env->broker_client_cache();
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}
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inline const std::string& client_id(ExecEnv* env, const TNetworkAddress& addr) {
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return env->broker_mgr()->get_client_id(addr);
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}
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#endif
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SnapshotLoader::SnapshotLoader(
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ExecEnv* env,
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int64_t job_id,
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int64_t task_id) :
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_env(env),
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_job_id(job_id),
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_task_id(task_id) {
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}
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SnapshotLoader::~SnapshotLoader() {
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}
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Status SnapshotLoader::upload(
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const std::map<std::string, std::string>& src_to_dest_path,
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const TNetworkAddress& broker_addr,
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const std::map<std::string, std::string>& broker_prop,
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std::map<int64_t, std::vector<std::string>>* tablet_files) {
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LOG(INFO) << "begin to upload snapshot files. num: "
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<< src_to_dest_path.size() << ", broker addr: "
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<< broker_addr << ", job: " << _job_id
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<< ", task" << _task_id;
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// check if job has already been cancelled
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int tmp_counter = 1;
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RETURN_IF_ERROR(_report_every(0, &tmp_counter, 0, 0,
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TTaskType::type::UPLOAD));
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Status status = Status::OK;
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// 1. validate local tablet snapshot paths
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RETURN_IF_ERROR(_check_local_snapshot_paths(src_to_dest_path, true));
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// 2. get broker client
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BrokerServiceConnection client(client_cache(_env), broker_addr, 10000, &status);
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if (!status.ok()) {
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std::stringstream ss;
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ss << "failed to get broker client. "
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<< "broker addr: " << broker_addr
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<< ". msg: " << status.get_error_msg();
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LOG(WARNING) << ss.str();
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return Status(ss.str());
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}
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std::vector<TNetworkAddress> broker_addrs;
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broker_addrs.push_back(broker_addr);
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// 3. for each src path, upload it to remote storage
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// we report to frontend for every 10 files, and we will cancel the job if
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// the job has already been cancelled in frontend.
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int report_counter = 0;
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int total_num = src_to_dest_path.size();
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int finished_num = 0;
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for (auto iter = src_to_dest_path.begin(); iter != src_to_dest_path.end();
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iter++) {
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const std::string& src_path = iter->first;
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const std::string& dest_path = iter->second;
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int64_t tablet_id = 0;
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int32_t schema_hash = 0;
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RETURN_IF_ERROR(_get_tablet_id_and_schema_hash_from_file_path(
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src_path, &tablet_id, &schema_hash));
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// 2.1 get existing files from remote path
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std::map<std::string, FileStat> remote_files;
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RETURN_IF_ERROR(_get_existing_files_from_remote(
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client, dest_path, broker_prop, &remote_files));
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for (auto& tmp : remote_files) {
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VLOG(2) << "get remote file: " << tmp.first << ", checksum: " << tmp.second.md5;
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}
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// 2.2 list local files
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std::vector<std::string> local_files;
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std::vector<std::string> local_files_with_checksum;
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RETURN_IF_ERROR(_get_existing_files_from_local(src_path, &local_files));
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// 2.3 iterate local files
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for (auto it = local_files.begin(); it != local_files.end(); it++) {
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RETURN_IF_ERROR(_report_every(10, &report_counter, finished_num, total_num,
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TTaskType::type::UPLOAD));
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const std::string& local_file = *it;
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// calc md5sum of localfile
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std::string md5sum;
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status = FileUtils::md5sum(src_path + "/" + local_file, &md5sum);
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if (!status.ok()) {
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std::stringstream ss;
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ss << "failed to get md5sum of file: " << local_file
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<< ": " << status.get_error_msg();
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LOG(WARNING) << ss.str();
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return Status(ss.str());
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}
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VLOG(2) << "get file checksum: " << local_file << ": " << md5sum;
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local_files_with_checksum.push_back(local_file + "." + md5sum);
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// check if this local file need upload
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bool need_upload = false;
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auto find = remote_files.find(local_file);
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if (find != remote_files.end()) {
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if (md5sum != find->second.md5) {
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// remote storage file exist, but with different checksum
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LOG(WARNING) << "remote file checksum is invalid. remote: " << find->first
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<< ", local: " << md5sum;
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// TODO(cmy): save these files and delete them later
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need_upload = true;
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}
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} else {
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need_upload = true;
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}
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if (!need_upload) {
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VLOG(2) << "file exist in remote path, no need to upload: " << local_file;
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continue;
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}
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// upload
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// open broker writer. file name end with ".part"
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// it will be rename to ".md5sum" after upload finished
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std::string full_remote_file = dest_path + "/" + local_file;
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{
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// NOTICE: broker writer must be closed before calling rename
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std::unique_ptr<BrokerWriter> broker_writer;
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broker_writer.reset(new BrokerWriter(_env,
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broker_addrs,
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broker_prop,
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full_remote_file + ".part",
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0 /* offset */));
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RETURN_IF_ERROR(broker_writer->open());
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// read file and write to broker
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std::string full_local_file = src_path + "/" + local_file;
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FileHandler file_handler;
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OLAPStatus ost = file_handler.open(full_local_file, O_RDONLY);
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if (ost != OLAP_SUCCESS) {
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return Status("failed to open file: " + full_local_file);
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}
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size_t file_len = file_handler.length();
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if (file_len == -1) {
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return Status("failed to get length of file: " + full_local_file);
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}
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constexpr size_t buf_sz = 1024 * 1024;
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char read_buf[buf_sz];
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size_t left_len = file_len;
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size_t read_offset = 0;
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while (left_len > 0) {
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size_t read_len = left_len > buf_sz ? buf_sz : left_len;
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ost = file_handler.pread(read_buf, read_len, read_offset);
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if (ost != OLAP_SUCCESS) {
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return Status("failed to read file: " + full_local_file);
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}
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// write through broker
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size_t write_len = 0;
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RETURN_IF_ERROR(broker_writer->write(reinterpret_cast<const uint8_t*>(read_buf),
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read_len, &write_len));
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DCHECK_EQ(write_len, read_len);
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read_offset += read_len;
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left_len -= read_len;
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}
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LOG(INFO) << "finished to write file via broker. file: " <<
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full_local_file << ", length: " << file_len;
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}
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// rename file to end with ".md5sum"
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RETURN_IF_ERROR(_rename_remote_file(client,
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full_remote_file + ".part",
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full_remote_file + "." + md5sum,
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broker_prop));
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} // end for each tablet's local files
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tablet_files->emplace(tablet_id, local_files_with_checksum);
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finished_num++;
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LOG(INFO) << "finished to write tablet to remote. local path: "
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<< src_path << ", remote path: " << dest_path;
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} // end for each tablet path
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LOG(INFO) << "finished to upload snapshots. job: " << _job_id
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<< ", task id: " << _task_id;
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return status;
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}
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/*
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* Download snapshot files from remote.
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* After downloaded, the local dir should contains all files existing in remote,
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* may also contains severval useless files.
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*/
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Status SnapshotLoader::download(
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const std::map<std::string, std::string>& src_to_dest_path,
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const TNetworkAddress& broker_addr,
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const std::map<std::string, std::string>& broker_prop,
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std::vector<int64_t>* downloaded_tablet_ids) {
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LOG(INFO) << "begin to download snapshot files. num: "
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<< src_to_dest_path.size() << ", broker addr: "
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<< broker_addr << ", job: " << _job_id
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<< ", task id: " << _task_id;
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// check if job has already been cancelled
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int tmp_counter = 1;
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RETURN_IF_ERROR(_report_every(0, &tmp_counter, 0, 0,
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TTaskType::type::DOWNLOAD));
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Status status = Status::OK;
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// 1. validate local tablet snapshot paths
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RETURN_IF_ERROR(_check_local_snapshot_paths(src_to_dest_path, false));
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// 2. get broker client
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BrokerServiceConnection client(client_cache(_env), broker_addr, 10000, &status);
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if (!status.ok()) {
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std::stringstream ss;
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ss << "failed to get broker client. "
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<< "broker addr: " << broker_addr
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<< ". msg: " << status.get_error_msg();
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LOG(WARNING) << ss.str();
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return Status(ss.str());
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}
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std::vector<TNetworkAddress> broker_addrs;
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broker_addrs.push_back(broker_addr);
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// 3. for each src path, download it to local storage
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int report_counter = 0;
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int total_num = src_to_dest_path.size();
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int finished_num = 0;
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for (auto iter = src_to_dest_path.begin(); iter != src_to_dest_path.end();
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iter++) {
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const std::string& remote_path = iter->first;
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const std::string& local_path = iter->second;
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int64_t local_tablet_id = 0;
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int32_t schema_hash = 0;
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RETURN_IF_ERROR(_get_tablet_id_and_schema_hash_from_file_path(
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local_path, &local_tablet_id, &schema_hash));
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downloaded_tablet_ids->push_back(local_tablet_id);
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int64_t remote_tablet_id;
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RETURN_IF_ERROR(_get_tablet_id_from_remote_path(remote_path,
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&remote_tablet_id));
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VLOG(2) << "get local tablet id: " << local_tablet_id << ", schema hash: "
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<< schema_hash << ", remote tablet id: " << remote_tablet_id;
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// 1. get local files
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std::vector<std::string> local_files;
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RETURN_IF_ERROR(_get_existing_files_from_local(local_path, &local_files));
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// 2. get remote files
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std::map<std::string, FileStat> remote_files;
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RETURN_IF_ERROR(_get_existing_files_from_remote(
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client, remote_path, broker_prop, &remote_files));
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if (remote_files.empty()) {
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std::stringstream ss;
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ss << "get nothing from remote path: " << remote_path;
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LOG(WARNING) << ss.str();
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return Status(ss.str());
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}
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for (auto& iter : remote_files) {
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RETURN_IF_ERROR(_report_every(10, &report_counter, finished_num, total_num,
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TTaskType::type::DOWNLOAD));
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bool need_download = false;
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const std::string& remote_file = iter.first;
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const FileStat& file_stat = iter.second;
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auto find = std::find(local_files.begin(), local_files.end(), remote_file);
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if (find == local_files.end()) {
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// remote file does not exist in local, download it
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need_download = true;
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} else {
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if (_end_with(remote_file, ".hdr")) {
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// this is a header file, download it.
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need_download = true;
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} else {
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// check checksum
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std::string local_md5sum;
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Status st = FileUtils::md5sum(local_path + "/" + remote_file, &local_md5sum);
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if (!st.ok()) {
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LOG(WARNING) << "failed to get md5sum of local file: " << remote_file
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<< ". msg: " << st.get_error_msg() << ". download it";
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need_download = true;
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} else {
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VLOG(2) << "get local file checksum: " << remote_file << ": " << local_md5sum;
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if (file_stat.md5 != local_md5sum) {
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// file's checksum does not equal, download it.
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need_download = true;
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}
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}
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}
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}
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if (!need_download) {
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LOG(INFO) << "remote file already exist in local, no need to download."
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<< ", file: " << remote_file;
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continue;
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}
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// begin to download
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std::string full_remote_file = remote_path + "/" + remote_file + "." + file_stat.md5;
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std::string local_file_name;
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// we need to replace the tablet_id in remote file name with local tablet id
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RETURN_IF_ERROR(_replace_tablet_id(remote_file, local_tablet_id, &local_file_name));
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std::string full_local_file = local_path + "/" + local_file_name;
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LOG(INFO) << "begin to download from " << full_remote_file << " to "
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<< full_local_file;
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size_t file_len = file_stat.size;
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{
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// 1. open remote file for read
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std::unique_ptr<BrokerReader> broker_reader;
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broker_reader.reset(new BrokerReader(_env,
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broker_addrs,
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broker_prop,
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full_remote_file,
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0 /* offset */));
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RETURN_IF_ERROR(broker_reader->open());
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// 2. remove the existing local file if exist
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if (boost::filesystem::remove(full_local_file)) {
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VLOG(2) << "remove the previously exist local file: "
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<< full_local_file;
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}
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// remove file which will be downloaded now.
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// this file will be added to local_files if it be downloaded successfully.
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local_files.erase(find);
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// 3. open local file for write
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FileHandler file_handler;
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OLAPStatus ost = file_handler.open_with_mode(full_local_file,
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O_CREAT | O_TRUNC | O_WRONLY, S_IRUSR | S_IWUSR);
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if (ost != OLAP_SUCCESS) {
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return Status("failed to open file: " + full_local_file);
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}
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// 4. read remote and write to local
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VLOG(2) << "read remote file: " << full_remote_file << " to local: "
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<< full_local_file << ". file size: " << file_len;
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constexpr size_t buf_sz = 1024 * 1024;
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char read_buf[buf_sz];
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size_t write_offset = 0;
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bool eof = false;
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while (!eof) {
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size_t read_len = buf_sz;
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RETURN_IF_ERROR(broker_reader->read(reinterpret_cast<uint8_t*>(read_buf),
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&read_len, &eof));
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if (eof) {
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continue;
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}
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if (read_len > 0) {
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ost = file_handler.pwrite(read_buf, read_len, write_offset);
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if (ost != OLAP_SUCCESS) {
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return Status("failed to write file: " + full_local_file);
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}
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write_offset += read_len;
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}
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}
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} // file_handler should be closed before calculating checksum
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// 5. check md5 of the downloaded file
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std::string downloaded_md5sum;
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status = FileUtils::md5sum(full_local_file, &downloaded_md5sum);
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if (!status.ok()) {
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std::stringstream ss;
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ss << "failed to get md5sum of file: " << full_local_file;
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LOG(WARNING) << ss.str();
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return Status(ss.str());
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}
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VLOG(2) << "get downloaded file checksum: " << full_local_file << ": "
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<< downloaded_md5sum;
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if (downloaded_md5sum != file_stat.md5) {
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std::stringstream ss;
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ss << "invalid md5 of downloaded file: " << full_local_file
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<< ", expected: " << file_stat.md5 << ", get: " << downloaded_md5sum;
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LOG(WARNING) << ss.str();
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return Status(ss.str());
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}
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// local_files always keep the updated local files
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local_files.push_back(local_file_name);
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LOG(INFO) << "finished to download file via broker. file: " <<
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full_local_file << ", length: " << file_len;
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} // end for all remote files
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// finally, delete local files which are not in remote
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for (const auto& local_file: local_files) {
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// replace the tablet id in local file name with the remote tablet id,
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// in order to compare the file name.
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std::string new_name;
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Status st = _replace_tablet_id(local_file, remote_tablet_id, &new_name);
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if (!st.ok()) {
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LOG(WARNING) << "failed to replace tablet id. unknown local file: " << st.get_error_msg()
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<< ". ignore it";
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continue;
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}
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VLOG(2) << "new file name after replace tablet id: " << new_name;
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const auto& find = remote_files.find(new_name);
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if (find != remote_files.end()) {
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continue;
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}
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// delete
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std::string full_local_file = local_path + "/" + local_file;
|
|
VLOG(2) << "begin to delete local snapshot file: " << full_local_file
|
|
<< ", it does not exist in remote";
|
|
if (remove(full_local_file.c_str()) != 0) {
|
|
LOG(WARNING) << "failed to delete unknown local file: " << full_local_file
|
|
<< ", ignore it";
|
|
}
|
|
}
|
|
|
|
finished_num++;
|
|
} // end for src_to_dest_path
|
|
|
|
LOG(INFO) << "finished to download snapshots. job: " << _job_id
|
|
<< ", task id: " << _task_id;
|
|
return status;
|
|
}
|
|
|
|
// move the snapshot files in snapshot_path
|
|
// to tablet_path
|
|
// If overwrite, just replace the tablet_path with snapshot_path,
|
|
// else: (TODO)
|
|
//
|
|
Status SnapshotLoader::move(
|
|
const std::string& snapshot_path,
|
|
const std::string& tablet_path,
|
|
const std::string& store_path,
|
|
bool overwrite) {
|
|
|
|
LOG(INFO) << "begin to move snapshot files. from: "
|
|
<< snapshot_path << ", to: " << tablet_path
|
|
<< ", store: " << store_path << ", job: " << _job_id
|
|
<< ", task id: " << _task_id;
|
|
|
|
Status status = Status::OK;
|
|
|
|
// validate snapshot_path and tablet_path
|
|
int64_t snapshot_tablet_id = 0;
|
|
int32_t snapshot_schema_hash = 0;
|
|
RETURN_IF_ERROR(_get_tablet_id_and_schema_hash_from_file_path(
|
|
snapshot_path, &snapshot_tablet_id, &snapshot_schema_hash));
|
|
|
|
int64_t tablet_id = 0;
|
|
int32_t schema_hash = 0;
|
|
RETURN_IF_ERROR(_get_tablet_id_and_schema_hash_from_file_path(
|
|
tablet_path, &tablet_id, &schema_hash));
|
|
|
|
if (tablet_id != snapshot_tablet_id ||
|
|
schema_hash != snapshot_schema_hash) {
|
|
std::stringstream ss;
|
|
ss << "path does not match. snapshot: " << snapshot_path
|
|
<< ", tablet path: " << tablet_path;
|
|
LOG(WARNING) << ss.str();
|
|
return Status(ss.str());
|
|
}
|
|
|
|
boost::filesystem::path tablet_dir(tablet_path);
|
|
boost::filesystem::path snapshot_dir(snapshot_path);
|
|
if (!boost::filesystem::exists(tablet_dir)) {
|
|
std::stringstream ss;
|
|
ss << "tablet path does not exist: " << tablet_path;
|
|
LOG(WARNING) << ss.str();
|
|
return Status(ss.str());
|
|
}
|
|
|
|
if (!boost::filesystem::exists(snapshot_dir)) {
|
|
std::stringstream ss;
|
|
ss << "snapshot path does not exist: " << snapshot_path;
|
|
LOG(WARNING) << ss.str();
|
|
return Status(ss.str());
|
|
}
|
|
|
|
if (overwrite) {
|
|
std::vector<std::string> snapshot_files;
|
|
RETURN_IF_ERROR(_get_existing_files_from_local(snapshot_path, &snapshot_files));
|
|
|
|
// 1. simply delete the old dir and replace it with the snapshot dir
|
|
try {
|
|
// This remove seems saft enough, because we already get
|
|
// tablet id and schema hash from this path, which
|
|
// means this path is a valid path.
|
|
boost::filesystem::remove_all(tablet_dir);
|
|
VLOG(2) << "remove dir: " << tablet_dir;
|
|
boost::filesystem::create_directory(tablet_dir);
|
|
VLOG(2) << "re-create dir: " << tablet_dir;
|
|
} catch (const boost::filesystem::filesystem_error& e) {
|
|
std::stringstream ss;
|
|
ss << "failed to move tablet path: " << tablet_path
|
|
<< ". err: " << e.what();
|
|
LOG(WARNING) << ss.str();
|
|
return Status(ss.str());
|
|
}
|
|
|
|
// copy files one by one
|
|
for (auto& file : snapshot_files) {
|
|
std::string full_src_path = snapshot_path + "/" + file;
|
|
std::string full_dest_path = tablet_path + "/" + file;
|
|
RETURN_IF_ERROR(FileUtils::copy_file(full_src_path, full_dest_path));
|
|
VLOG(2) << "copy file from " << full_src_path<< " to " << full_dest_path;
|
|
}
|
|
|
|
} else {
|
|
// This is not a overwrite move
|
|
// The files in tablet dir should be like this:
|
|
//
|
|
// 10001.hdr
|
|
// 10001_0_70_3286516299297662422_0.idx
|
|
// 10001_0_70_3286516299297662422_0.dat
|
|
// 10001_71_71_4684061214850851594_0.idx
|
|
// 10001_71_71_4684061214850851594_0.dat
|
|
// ...
|
|
//
|
|
// 0-70 version is supposed to be the placeholder version
|
|
//
|
|
// The files in snapshot dir should be like this:
|
|
// 10001.hdr
|
|
// 10001_0_40_4684061214850851594_0.idx
|
|
// 10001_0_40_4684061214850851594_0.dat
|
|
// 10001_41_68_1097018054900466785_0.idx
|
|
// 10001_41_68_1097018054900466785_0.dat
|
|
// 10001_69_69_8126494056407230455_0.idx
|
|
// 10001_69_69_8126494056407230455_0.dat
|
|
// 10001_70_70_6330898043876688539_0.idx
|
|
// 10001_70_70_6330898043876688539_0.dat
|
|
// 10001_71_71_0_0.idx
|
|
// 10001_71_71_0_0.dat
|
|
//
|
|
// 71-71 may be exist as the palceholder version
|
|
//
|
|
// We need to move 0-70 version files from snapshot dir to
|
|
// replace the 0-70 placeholder version in tablet dir.
|
|
// than we merge the 2 .hdr file before reloading it.
|
|
|
|
// load header in tablet dir to get the base vesion
|
|
OLAPTablePtr tablet = OLAPEngine::get_instance()->get_table(
|
|
tablet_id, schema_hash);
|
|
if (tablet.get() == NULL) {
|
|
std::stringstream ss;
|
|
ss << "failed to get tablet: " << tablet_id << ", schema hash: "
|
|
<< schema_hash;
|
|
LOG(WARNING) << ss.str();
|
|
return Status(ss.str());
|
|
}
|
|
// get base version
|
|
tablet->obtain_header_rdlock();
|
|
const PDelta* base_version = tablet->base_version();
|
|
tablet->release_header_lock();
|
|
if (base_version == nullptr) {
|
|
std::stringstream ss;
|
|
ss << "failed to get base version of tablet: " << tablet_id;
|
|
LOG(WARNING) << ss.str();
|
|
return Status(ss.str());
|
|
}
|
|
|
|
int32_t end_version = base_version->end_version();
|
|
|
|
// load snapshot tablet
|
|
std::stringstream hdr;
|
|
hdr << snapshot_path << "/" << tablet_id << ".hdr";
|
|
std::string snapshot_header_file = hdr.str();
|
|
|
|
OLAPHeader snapshot_header(snapshot_header_file);
|
|
OLAPStatus ost = snapshot_header.load_and_init();
|
|
if (ost != OLAP_SUCCESS) {
|
|
LOG(WARNING) << "failed to load snapshot header: " << snapshot_header_file;
|
|
return Status("failed to load snapshot header: " + snapshot_header_file);
|
|
}
|
|
|
|
LOG(INFO) << "begin to move snapshot files from version 0 to "
|
|
<< end_version << ", tablet id: " << tablet_id;
|
|
|
|
// begin to move
|
|
try {
|
|
// delete the placeholder version in tablet dir
|
|
std::string dummy;
|
|
std::string place_holder_idx;
|
|
_assemble_file_name("", tablet_path, tablet_id,
|
|
0, end_version,
|
|
base_version->version_hash(), 0, ".idx",
|
|
&dummy, &place_holder_idx);
|
|
boost::filesystem::remove(place_holder_idx);
|
|
|
|
std::string place_holder_dat;
|
|
_assemble_file_name("", tablet_path, tablet_id,
|
|
0, end_version,
|
|
base_version->version_hash(), 0, ".dat",
|
|
&dummy, &place_holder_idx);
|
|
boost::filesystem::remove(place_holder_dat);
|
|
|
|
// copy files
|
|
int version_size = snapshot_header.file_version_size();
|
|
for (int i = 0; i < version_size; ++i) {
|
|
const FileVersionMessage& version = snapshot_header.file_version(i);
|
|
if (version.start_version() > end_version) {
|
|
continue;
|
|
}
|
|
int seg_num = version.num_segments();
|
|
for (int j = 0; j < seg_num; i++) {
|
|
// idx
|
|
std::string idx_from;
|
|
std::string idx_to;
|
|
_assemble_file_name(snapshot_path, tablet_path, tablet_id,
|
|
version.start_version(), version.end_version(),
|
|
version.version_hash(), j, ".idx",
|
|
&idx_from, &idx_to);
|
|
|
|
boost::filesystem::copy_file(idx_from, idx_to);
|
|
|
|
// dat
|
|
std::string dat_from;
|
|
std::string dat_to;
|
|
_assemble_file_name(snapshot_path, tablet_path, tablet_id,
|
|
version.start_version(), version.end_version(),
|
|
version.version_hash(), j, ".dat",
|
|
&dat_from, &dat_to);
|
|
boost::filesystem::copy_file(dat_from, dat_to);
|
|
}
|
|
}
|
|
} catch (const boost::filesystem::filesystem_error& e) {
|
|
std::stringstream ss;
|
|
ss << "failed to move tablet path: " << tablet_path
|
|
<< ". err: " << e.what();
|
|
LOG(WARNING) << ss.str();
|
|
return Status(ss.str());
|
|
}
|
|
|
|
// merge 2 headers
|
|
ost = tablet->merge_header(snapshot_header, end_version);
|
|
if (ost != OLAP_SUCCESS) {
|
|
std::stringstream ss;
|
|
ss << "failed to move tablet path: " << tablet_path;
|
|
LOG(WARNING) << ss.str();
|
|
return Status(ss.str());
|
|
}
|
|
}
|
|
|
|
// fixme: there is no header now and can not call load_one_tablet here
|
|
// reload header
|
|
OlapStore* store = OLAPEngine::get_instance()->get_store(store_path);
|
|
if (store == nullptr) {
|
|
std::stringstream ss;
|
|
ss << "failed to get store by path: " << store_path;
|
|
LOG(WARNING) << ss.str();
|
|
return Status(ss.str());
|
|
}
|
|
OLAPStatus ost = OLAPEngine::get_instance()->load_one_tablet(
|
|
store, tablet_id, schema_hash, tablet_path, true);
|
|
if (ost != OLAP_SUCCESS) {
|
|
std::stringstream ss;
|
|
ss << "failed to reload header of tablet: " << tablet_id;
|
|
LOG(WARNING) << ss.str();
|
|
return Status(ss.str());
|
|
}
|
|
LOG(INFO) << "finished to reload header of tablet: " << tablet_id;
|
|
|
|
return status;
|
|
}
|
|
|
|
bool SnapshotLoader::_end_with(
|
|
const std::string& str,
|
|
const std::string& match) {
|
|
|
|
if(str.size() >= match.size() &&
|
|
str.compare(str.size() - match.size(), match.size(), match) == 0) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
Status SnapshotLoader::_get_tablet_id_and_schema_hash_from_file_path(
|
|
const std::string& src_path, int64_t* tablet_id, int32_t* schema_hash) {
|
|
// path should be like: /path/.../tablet_id/schema_hash
|
|
// we try to extract tablet_id from path
|
|
size_t pos = src_path.find_last_of("/");
|
|
if (pos == std::string::npos || pos == src_path.length() - 1) {
|
|
return Status("failed to get tablet id from path: " + src_path);
|
|
}
|
|
|
|
std::string schema_hash_str = src_path.substr(pos + 1);
|
|
std::stringstream ss1;
|
|
ss1 << schema_hash_str;
|
|
ss1 >> *schema_hash;
|
|
|
|
// skip schema hash part
|
|
size_t pos2 = src_path.find_last_of("/", pos - 1);
|
|
if (pos2 == std::string::npos) {
|
|
return Status("failed to get tablet id from path: " + src_path);
|
|
}
|
|
|
|
std::string tablet_str = src_path.substr(pos2 + 1, pos - pos2);
|
|
std::stringstream ss2;
|
|
ss2 << tablet_str;
|
|
ss2 >> *tablet_id;
|
|
|
|
VLOG(2) << "get tablet id " << *tablet_id
|
|
<< ", schema hash: " << *schema_hash
|
|
<< " from path: " << src_path;
|
|
return Status::OK;
|
|
}
|
|
|
|
Status SnapshotLoader::_check_local_snapshot_paths(
|
|
const std::map<std::string, std::string>& src_to_dest_path, bool check_src) {
|
|
for (const auto& pair : src_to_dest_path) {
|
|
std::string path;
|
|
if (check_src) {
|
|
path = pair.first;
|
|
} else {
|
|
path = pair.second;
|
|
}
|
|
if (!FileUtils::is_dir(path)) {
|
|
std::stringstream ss;
|
|
ss << "snapshot path is not directory or does not exist: " << path;
|
|
LOG(WARNING) << ss.str();
|
|
return Status(TStatusCode::RUNTIME_ERROR, ss.str(), true);
|
|
}
|
|
}
|
|
LOG(INFO) << "all local snapshot paths are existing. num: " << src_to_dest_path.size();
|
|
return Status::OK;
|
|
}
|
|
|
|
Status SnapshotLoader::_get_existing_files_from_remote(
|
|
BrokerServiceConnection& client,
|
|
const std::string& remote_path,
|
|
const std::map<std::string, std::string>& broker_prop,
|
|
std::map<std::string, FileStat>* files) {
|
|
try {
|
|
// get existing files from remote path
|
|
TBrokerListResponse list_rep;
|
|
TBrokerListPathRequest list_req;
|
|
list_req.__set_version(TBrokerVersion::VERSION_ONE);
|
|
list_req.__set_path(remote_path + "/*");
|
|
list_req.__set_isRecursive(false);
|
|
list_req.__set_properties(broker_prop);
|
|
list_req.__set_fileNameOnly(true); // we only need file name, not abs path
|
|
|
|
try {
|
|
client->listPath(list_rep, list_req);
|
|
} catch (apache::thrift::transport::TTransportException& e) {
|
|
RETURN_IF_ERROR(client.reopen());
|
|
client->listPath(list_rep, list_req);
|
|
}
|
|
|
|
if (list_rep.opStatus.statusCode == TBrokerOperationStatusCode::FILE_NOT_FOUND) {
|
|
LOG(INFO) << "path does not exist: " << remote_path;
|
|
return Status::OK;
|
|
} else if (list_rep.opStatus.statusCode != TBrokerOperationStatusCode::OK) {
|
|
std::stringstream ss;
|
|
ss << "failed to list files from remote path: " << remote_path << ", msg: "
|
|
<< list_rep.opStatus.message;
|
|
LOG(WARNING) << ss.str();
|
|
return Status(ss.str());
|
|
}
|
|
LOG(INFO) << "finished to list files from remote path. file num: "
|
|
<< list_rep.files.size();
|
|
|
|
// split file name and checksum
|
|
for (const auto& file : list_rep.files) {
|
|
if (file.isDir) {
|
|
// this is not a file
|
|
continue;
|
|
}
|
|
|
|
const std::string& file_name = file.path;
|
|
size_t pos = file_name.find_last_of(".");
|
|
if (pos == std::string::npos || pos == file_name.size() - 1) {
|
|
// Not found checksum separator, ignore this file
|
|
continue;
|
|
}
|
|
|
|
FileStat stat = { std::string(file_name, 0, pos), std::string(file_name, pos + 1), file.size };
|
|
files->emplace(std::string(file_name, 0, pos), stat);
|
|
VLOG(2) << "split remote file: " << std::string(file_name, 0, pos) << ", checksum: "
|
|
<< std::string(file_name, pos + 1);
|
|
}
|
|
|
|
LOG(INFO) << "finished to split files. valid file num: "
|
|
<< files->size();
|
|
|
|
} catch (apache::thrift::TException& e) {
|
|
std::stringstream ss;
|
|
ss << "failed to list files in remote path: " << remote_path << ", msg: " << e.what();
|
|
LOG(WARNING) << ss.str();
|
|
return Status(TStatusCode::THRIFT_RPC_ERROR, ss.str(), false);
|
|
}
|
|
|
|
return Status::OK;
|
|
}
|
|
|
|
Status SnapshotLoader::_get_existing_files_from_local(
|
|
const std::string& local_path,
|
|
std::vector<std::string>* local_files) {
|
|
|
|
Status status = FileUtils::scan_dir(local_path, local_files);
|
|
if (!status.ok()) {
|
|
std::stringstream ss;
|
|
ss << "failed to list files in local path: " << local_path << ", msg: "
|
|
<< status.get_error_msg();
|
|
LOG(WARNING) << ss.str();
|
|
return status;
|
|
}
|
|
LOG(INFO) << "finished to list files in local path: " << local_path << ", file num: "
|
|
<< local_files->size();
|
|
return Status::OK;
|
|
}
|
|
|
|
Status SnapshotLoader::_rename_remote_file(
|
|
BrokerServiceConnection& client,
|
|
const std::string& orig_name,
|
|
const std::string& new_name,
|
|
const std::map<std::string, std::string>& broker_prop) {
|
|
try {
|
|
TBrokerOperationStatus op_status;
|
|
TBrokerRenamePathRequest rename_req;
|
|
rename_req.__set_version(TBrokerVersion::VERSION_ONE);
|
|
rename_req.__set_srcPath(orig_name);
|
|
rename_req.__set_destPath(new_name);
|
|
rename_req.__set_properties(broker_prop);
|
|
|
|
try {
|
|
client->renamePath(op_status, rename_req);
|
|
} catch (apache::thrift::transport::TTransportException& e) {
|
|
RETURN_IF_ERROR(client.reopen());
|
|
client->renamePath(op_status, rename_req);
|
|
}
|
|
|
|
if (op_status.statusCode != TBrokerOperationStatusCode::OK) {
|
|
std::stringstream ss;
|
|
ss << "Fail to rename file: " << orig_name << " to: " << new_name
|
|
<< " msg:" << op_status.message;
|
|
LOG(WARNING) << ss.str();
|
|
return Status(ss.str());
|
|
}
|
|
} catch (apache::thrift::TException& e) {
|
|
std::stringstream ss;
|
|
ss << "Fail to rename file: " << orig_name << " to: " << new_name
|
|
<< " msg:" << e.what();
|
|
LOG(WARNING) << ss.str();
|
|
return Status(TStatusCode::THRIFT_RPC_ERROR, ss.str(), false);
|
|
}
|
|
|
|
LOG(INFO) << "finished to rename file. orig: " << orig_name
|
|
<< ", new: " << new_name;
|
|
|
|
return Status::OK;
|
|
}
|
|
|
|
void SnapshotLoader::_assemble_file_name(
|
|
const std::string& snapshot_path,
|
|
const std::string& tablet_path,
|
|
int64_t tablet_id,
|
|
int64_t start_version, int64_t end_version,
|
|
int64_t vesion_hash, int32_t seg_num,
|
|
const std::string suffix,
|
|
std::string* snapshot_file, std::string* tablet_file) {
|
|
|
|
std::stringstream ss1;
|
|
ss1 << snapshot_path << "/" << tablet_id << "_"
|
|
<< start_version << "_" << end_version << "_"
|
|
<< vesion_hash << "_" << seg_num << suffix;
|
|
*snapshot_file = ss1.str();
|
|
|
|
std::stringstream ss2;
|
|
ss2 << tablet_path << "/" << tablet_id << "_"
|
|
<< start_version << "_" << end_version << "_"
|
|
<< vesion_hash << "_" << seg_num << suffix;
|
|
*tablet_file = ss2.str();
|
|
|
|
VLOG(2) << "assemble file name: " << *snapshot_file
|
|
<< ", " << *tablet_file;
|
|
}
|
|
|
|
Status SnapshotLoader::_replace_tablet_id(
|
|
const std::string& file_name,
|
|
int64_t tablet_id,
|
|
std::string* new_file_name) {
|
|
|
|
// eg:
|
|
// 10007.hdr
|
|
// 10007_2_2_0_0.idx
|
|
// 10007_2_2_0_0.dat
|
|
if (_end_with(file_name, ".hdr")) {
|
|
std::stringstream ss;
|
|
ss << tablet_id << ".hdr";
|
|
*new_file_name = ss.str();
|
|
return Status::OK;
|
|
} else if (_end_with(file_name, ".idx")
|
|
|| _end_with(file_name, ".dat")) {
|
|
size_t pos = file_name.find_first_of("_");
|
|
if (pos == std::string::npos) {
|
|
return Status("invalid tablet file name: " + file_name);
|
|
}
|
|
|
|
std::string suffix_part = file_name.substr(pos);
|
|
std::stringstream ss;
|
|
ss << tablet_id << suffix_part;
|
|
*new_file_name = ss.str();
|
|
return Status::OK;
|
|
} else {
|
|
return Status("invalid tablet file name: " + file_name);
|
|
}
|
|
}
|
|
|
|
Status SnapshotLoader::_get_tablet_id_from_remote_path(
|
|
const std::string& remote_path,
|
|
int64_t* tablet_id) {
|
|
|
|
// eg:
|
|
// bos://xxx/../__tbl_10004/__part_10003/__idx_10004/__10005
|
|
size_t pos = remote_path.find_last_of("_");
|
|
if (pos == std::string::npos) {
|
|
return Status("invalid remove file path: " + remote_path);
|
|
}
|
|
|
|
std::string tablet_id_str = remote_path.substr(pos + 1);
|
|
std::stringstream ss;
|
|
ss << tablet_id_str;
|
|
ss >> *tablet_id;
|
|
|
|
return Status::OK;
|
|
}
|
|
|
|
// only return CANCELLED if FE return that job is cancelled.
|
|
// otherwise, return OK
|
|
Status SnapshotLoader::_report_every(
|
|
int report_threshold,
|
|
int* counter,
|
|
int32_t finished_num,
|
|
int32_t total_num,
|
|
TTaskType::type type) {
|
|
|
|
++*counter;
|
|
if (*counter <= report_threshold) {
|
|
return Status::OK;
|
|
}
|
|
|
|
LOG(INFO) << "report to frontend. job id: " << _job_id
|
|
<< ", task id: " << _task_id
|
|
<< ", finished num: " << finished_num
|
|
<< ", total num:" << total_num;
|
|
|
|
TNetworkAddress master_addr = _env->master_info()->network_address;
|
|
|
|
TSnapshotLoaderReportRequest request;
|
|
request.job_id = _job_id;
|
|
request.task_id = _task_id;
|
|
request.task_type = type;
|
|
request.__set_finished_num(finished_num);
|
|
request.__set_total_num(total_num);
|
|
TStatus report_st;
|
|
|
|
Status rpcStatus = FrontendHelper::rpc(
|
|
master_addr.hostname, master_addr.port,
|
|
[&request, &report_st] (FrontendServiceConnection& client) {
|
|
client->snapshotLoaderReport(report_st, request);
|
|
}, 10000);
|
|
|
|
if (!rpcStatus.ok()) {
|
|
// rpc failed, ignore
|
|
return Status::OK;
|
|
}
|
|
|
|
// reset
|
|
*counter = 0;
|
|
if (report_st.status_code == TStatusCode::CANCELLED) {
|
|
LOG(INFO) << "job is cancelled. job id: " << _job_id
|
|
<< ", task id: " << _task_id;
|
|
return Status::CANCELLED;
|
|
}
|
|
return Status::OK;
|
|
}
|
|
|
|
|
|
|
|
} // end namespace doris
|