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oceanbase/src/storage/compaction/ob_medium_compaction_func.cpp
a1iive 584fd674ed fix abort of invalid tablet pointer using
2023-04-17 05:41:28 +00:00

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//Copyright (c) 2021 OceanBase
// OceanBase is licensed under Mulan PubL v2.
// You can use this software according to the terms and conditions of the Mulan PubL v2.
// You may obtain a copy of Mulan PubL v2 at:
// http://license.coscl.org.cn/MulanPubL-2.0
// THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
// EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
// MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
// See the Mulan PubL v2 for more details.
#define USING_LOG_PREFIX STORAGE_COMPACTION
#include "storage/compaction/ob_medium_compaction_func.h"
#include "storage/compaction/ob_medium_compaction_mgr.h"
#include "storage/compaction/ob_tablet_merge_ctx.h"
#include "storage/compaction/ob_partition_merge_policy.h"
#include "share/tablet/ob_tablet_info.h"
#include "share/tablet/ob_tablet_table_operator.h"
#include "share/ob_tablet_replica_checksum_operator.h"
#include "share/ob_ls_id.h"
#include "share/schema/ob_tenant_schema_service.h"
#include "logservice/ob_log_service.h"
#include "storage/meta_mem/ob_tenant_meta_mem_mgr.h"
#include "storage/tx_storage/ob_tenant_freezer.h"
#include "storage/compaction/ob_tenant_tablet_scheduler.h"
#include "lib/oblog/ob_log_module.h"
#include "lib/utility/ob_tracepoint.h"
#include "storage/ob_partition_range_spliter.h"
#include "storage/compaction/ob_compaction_diagnose.h"
namespace oceanbase
{
using namespace storage;
using namespace share;
using namespace common;
namespace compaction
{
ObMediumCompactionScheduleFunc::ChooseMediumScn ObMediumCompactionScheduleFunc::choose_medium_scn[MEDIUM_FUNC_CNT]
= { ObMediumCompactionScheduleFunc::choose_medium_snapshot,
ObMediumCompactionScheduleFunc::choose_major_snapshot,
};
int64_t ObMediumCompactionScheduleFunc::to_string(char *buf, const int64_t buf_len) const
{
int64_t pos = 0;
if (OB_ISNULL(buf) || buf_len <= 0) {
} else {
J_OBJ_START();
J_KV("ls_id", ls_.get_ls_id());
J_COMMA();
if (tablet_handle_.is_valid() && OB_NOT_NULL(tablet_handle_.get_obj())) {
J_KV("tablet_id", tablet_handle_.get_obj()->get_tablet_meta().tablet_id_);
} else {
J_KV("tablet_handle", tablet_handle_);
}
J_OBJ_END();
}
return pos;
}
int ObMediumCompactionScheduleFunc::choose_medium_snapshot(
ObLS &ls,
ObTablet &tablet,
const ObAdaptiveMergePolicy::AdaptiveMergeReason &merge_reason,
ObIAllocator &allocator,
ObMediumCompactionInfo &medium_info,
ObGetMergeTablesResult &result)
{
UNUSED(allocator);
int ret = OB_SUCCESS;
ObGetMergeTablesParam param;
param.merge_type_ = META_MAJOR_MERGE;
if (OB_FAIL(ObAdaptiveMergePolicy::get_meta_merge_tables(
param,
ls,
tablet,
result))) {
if (OB_NO_NEED_MERGE != ret) {
LOG_WARN("failed to get meta merge tables", K(ret), K(param));
}
} else {
medium_info.compaction_type_ = ObMediumCompactionInfo::MEDIUM_COMPACTION;
medium_info.medium_merge_reason_ = merge_reason;
medium_info.medium_snapshot_ = result.version_range_.snapshot_version_;
LOG_TRACE("choose_medium_snapshot", K(ret), "ls_id", ls.get_ls_id(),
"tablet_id", tablet.get_tablet_meta().tablet_id_, K(result), K(medium_info));
}
return ret;
}
int ObMediumCompactionScheduleFunc::choose_major_snapshot(
ObLS &ls,
ObTablet &tablet,
const ObAdaptiveMergePolicy::AdaptiveMergeReason &merge_reason,
ObIAllocator &allocator,
ObMediumCompactionInfo &medium_info,
ObGetMergeTablesResult &result)
{
UNUSED(merge_reason);
int ret = OB_SUCCESS;
const ObLSID &ls_id = ls.get_ls_id();
const ObTabletID &tablet_id = tablet.get_tablet_meta().tablet_id_;
ObTenantFreezeInfoMgr::FreezeInfo freeze_info;
int64_t schedule_snapshot = 0;
const int64_t scheduler_frozen_version = MTL(ObTenantTabletScheduler*)->get_frozen_version();
const ObMediumCompactionInfoList &medium_list = tablet.get_medium_compaction_info_list();
ObITable *last_major = tablet.get_table_store().get_major_sstables().get_boundary_table(true/*last*/);
bool schedule_with_newer_info = false;
if (OB_ISNULL(last_major)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("major sstable is unexpected null", K(ret), KPC(last_major));
} else {
schedule_snapshot = last_major->get_snapshot_version();
}
while (OB_SUCC(ret)) {
if (OB_FAIL(MTL_CALL_FREEZE_INFO_MGR(get_freeze_info_behind_snapshot_version, schedule_snapshot, freeze_info))) {
if (OB_ENTRY_NOT_EXIST != ret) {
LOG_WARN("failed to get freeze info", K(ret), K(schedule_snapshot), K(ls_id), K(tablet_id));
} else {
ret = OB_NO_NEED_MERGE;
}
} else if (OB_UNLIKELY(freeze_info.schema_version <= 0)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("schema version is invalid", K(ret), K(ls_id), K(tablet_id), K(freeze_info));
} else if (OB_FAIL(ObMediumCompactionScheduleFunc::get_table_schema_to_merge(
tablet, freeze_info.schema_version, allocator, medium_info))) {
if (OB_TABLE_IS_DELETED == ret) {
// do nothing
} else if (OB_ERR_SCHEMA_HISTORY_EMPTY == ret) {
if (freeze_info.freeze_version <= scheduler_frozen_version) {
FLOG_INFO("table schema may recycled, use newer freeze info instead", K(ret), KPC(last_major), K(freeze_info),
K(scheduler_frozen_version));
schedule_snapshot = freeze_info.freeze_version;
schedule_with_newer_info = true;
ret = OB_SUCCESS;
}
} else {
LOG_WARN("failed to get table schema", K(ret), K(ls_id), K(tablet_id), K(medium_info));
}
} else { // success to get table schema
if (schedule_with_newer_info) {
LOG_INFO("schedule with newer freeze info", K(ret), K(ls_id), K(tablet_id), K(freeze_info));
}
break;
}
} // end of while
if (OB_SUCC(ret)) {
medium_info.compaction_type_ = ObMediumCompactionInfo::MAJOR_COMPACTION;
medium_info.medium_merge_reason_ = ObAdaptiveMergePolicy::AdaptiveMergeReason::NONE;
medium_info.medium_snapshot_ = freeze_info.freeze_version;
result.schema_version_ = freeze_info.schema_version;
if (OB_FAIL(get_result_for_major(tablet, medium_info, result))) {
LOG_WARN("failed get result for major", K(ret), K(medium_info));
} else {
LOG_TRACE("choose_major_snapshot", K(ret), "ls_id", ls.get_ls_id(),
"tablet_id", tablet.get_tablet_meta().tablet_id_, K(medium_info), K(freeze_info), K(result));
}
}
return ret;
}
int ObMediumCompactionScheduleFunc::get_status_from_inner_table(
const ObLSID &ls_id,
const ObTabletID &tablet_id,
ObTabletCompactionScnInfo &ret_info)
{
int ret = OB_SUCCESS;
ret_info.reset();
ObTabletCompactionScnInfo snapshot_info(
MTL_ID(),
ls_id,
tablet_id,
ObTabletReplica::SCN_STATUS_IDLE);
if (OB_FAIL(ObTabletMetaTableCompactionOperator::get_status(snapshot_info, ret_info))) {
if (OB_ENTRY_NOT_EXIST == ret) {
ret = OB_SUCCESS; // first schedule medium snapshot
ret_info.status_ = ObTabletReplica::SCN_STATUS_IDLE;
} else {
LOG_WARN("failed to get cur medium snapshot", K(ret), K(ret_info));
}
}
return ret;
}
// cal this func with PLAF LEADER ROLE && wait_check_medium_scn_ = 0
int ObMediumCompactionScheduleFunc::schedule_next_medium_for_leader(
const int64_t major_snapshot,
ObTenantTabletScheduler::ObScheduleStatistics &schedule_stat)
{
int ret = OB_SUCCESS;
ObRole role = INVALID_ROLE;
if (OB_FAIL(ls_.get_ls_role(role))) {
LOG_WARN("failed to get ls role", K(ret), KPC(this));
} else if (LEADER == role) {
// only log_handler_leader can schedule
#ifdef ERRSIM
ret = OB_E(EventTable::EN_SKIP_INDEX_MAJOR) ret;
// skip schedule major for user index table
ObTablet *tablet = nullptr;
if (OB_FAIL(ret) && tablet_handle_.is_valid() && OB_NOT_NULL(tablet = tablet_handle_.get_obj())) {
if (tablet->get_tablet_meta().tablet_id_.id() > ObTabletID::MIN_USER_TABLET_ID
&& tablet->get_tablet_meta().tablet_id_ != tablet->get_tablet_meta().data_tablet_id_) {
return ret;
} else {
ret = OB_SUCCESS;
}
}
#endif
ret = schedule_next_medium_primary_cluster(major_snapshot, schedule_stat);
}
return ret;
}
int ObMediumCompactionScheduleFunc::schedule_next_medium_primary_cluster(
const int64_t schedule_major_snapshot,
ObTenantTabletScheduler::ObScheduleStatistics &schedule_stat)
{
int ret = OB_SUCCESS;
ObAdaptiveMergePolicy::AdaptiveMergeReason adaptive_merge_reason = ObAdaptiveMergePolicy::AdaptiveMergeReason::NONE;
ObTabletCompactionScnInfo ret_info;
// check last medium type, select inner table for last major
bool schedule_medium_flag = false;
int64_t max_sync_medium_scn = 0;
ObITable *last_major = nullptr;
ObTablet *tablet = nullptr;
const bool is_major = 0 != schedule_major_snapshot;
if (OB_UNLIKELY(!tablet_handle_.is_valid())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("invalid tablet_handle", K(ret), K(tablet_handle_));
} else if (FALSE_IT(tablet = tablet_handle_.get_obj())) {
} else {
const ObMediumCompactionInfoList &medium_list = tablet->get_medium_compaction_info_list();
if (OB_ISNULL(last_major = tablet->get_table_store().get_major_sstables().get_boundary_table(true/*last*/))) {
// no major, do nothing
} else if (!medium_list.could_schedule_next_round()) { // check serialized list
// do nothing
} else if (OB_FAIL(tablet->get_max_sync_medium_scn(max_sync_medium_scn))) { // check info in memory
LOG_WARN("failed to get max sync medium scn", K(ret), K(max_sync_medium_scn));
} else if (is_major && schedule_major_snapshot > max_sync_medium_scn) {
schedule_medium_flag = true;
} else if (nullptr != last_major && last_major->get_snapshot_version() < max_sync_medium_scn) {
// do nothing
} else if (OB_FAIL(ObAdaptiveMergePolicy::get_adaptive_merge_reason(*tablet, adaptive_merge_reason))) {
if (OB_HASH_NOT_EXIST != ret) {
LOG_WARN("failed to get meta merge priority", K(ret), KPC(this));
} else {
ret = OB_SUCCESS;
}
} else if (adaptive_merge_reason > ObAdaptiveMergePolicy::AdaptiveMergeReason::NONE) {
schedule_medium_flag = true;
}
LOG_TRACE("schedule next medium in primary cluster", K(ret), KPC(this), K(schedule_medium_flag),
K(schedule_major_snapshot), K(adaptive_merge_reason), KPC(last_major), K(medium_list), K(max_sync_medium_scn));
#ifdef ERRSIM
if (OB_SUCC(ret)) {
if (tablet->get_tablet_meta().tablet_id_.id() > ObTabletID::MIN_USER_TABLET_ID) {
ret = OB_E(EventTable::EN_SCHEDULE_MEDIUM_COMPACTION) ret;
LOG_INFO("errsim", K(ret), KPC(this));
if (OB_FAIL(ret)) {
FLOG_INFO("set schedule medium with errsim", KPC(this));
ret = OB_SUCCESS;
schedule_medium_flag = true;
}
}
}
#endif
if (OB_FAIL(ret) || !schedule_medium_flag) {
} else if (ObMediumCompactionInfo::MAJOR_COMPACTION == medium_list.get_last_compaction_type()) {
// for normal medium, checksum error happened, wait_check_medium_scn_ will never = 0
// for major, need select inner_table to check RS status
if (OB_FAIL(get_status_from_inner_table(ls_.get_ls_id(), tablet->get_tablet_meta().tablet_id_, ret_info))) {
LOG_WARN("failed to get status from inner tablet", K(ret), KPC(this));
} else if (ret_info.could_schedule_next_round(medium_list.get_last_compaction_scn())) {
LOG_INFO("success to check RS major checksum validation finished", K(ret), KPC(this), K(ret_info));
ret = decide_medium_snapshot(is_major);
} else {
++schedule_stat.wait_rs_validate_cnt_;
}
} else {
ret = decide_medium_snapshot(is_major, adaptive_merge_reason);
}
}
return ret;
}
int ObMediumCompactionScheduleFunc::get_max_reserved_snapshot(int64_t &max_reserved_snapshot)
{
int ret = OB_SUCCESS;
max_reserved_snapshot = INT64_MAX;
int64_t max_merged_snapshot = 0;
int64_t min_reserved_snapshot = INT64_MAX;
ObTablet *tablet = nullptr;
if (OB_UNLIKELY(!tablet_handle_.is_valid())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("invalid tablet_handle", K(ret), K(tablet_handle_));
} else if (FALSE_IT(tablet = tablet_handle_.get_obj())) {
} else {
const ObTabletTableStore &table_store = tablet->get_table_store();
if (0 == table_store.get_major_sstables().count()) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("major sstable should not be empty", K(ret), K(tablet));
} else if (0 == ls_.get_min_reserved_snapshot()) {
ret = OB_NO_NEED_MERGE;
// not sync reserved snapshot yet, should not schedule now
} else if (FALSE_IT(max_merged_snapshot = table_store.get_major_sstables().get_boundary_table(true/*last*/)->get_snapshot_version())) {
} else if (OB_FAIL(MTL(ObTenantFreezeInfoMgr*)->get_min_reserved_snapshot(
tablet->get_tablet_meta().tablet_id_, max_merged_snapshot, min_reserved_snapshot))) {
LOG_WARN("failed to get multi version from freeze info mgr", K(ret), K(table_id));
} else {
max_reserved_snapshot = MAX(ls_.get_min_reserved_snapshot(), min_reserved_snapshot);
}
}
return ret;
}
int ObMediumCompactionScheduleFunc::decide_medium_snapshot(
const bool is_major,
const ObAdaptiveMergePolicy::AdaptiveMergeReason merge_reason)
{
int ret = OB_SUCCESS;
int tmp_ret = OB_SUCCESS;
ObTablet *tablet = nullptr;
if (OB_UNLIKELY(!tablet_handle_.is_valid())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("invalid tablet_handle", K(ret), K(tablet_handle_));
} else if (FALSE_IT(tablet = tablet_handle_.get_obj())) {
} else {
const ObTabletID &tablet_id = tablet->get_tablet_meta().tablet_id_;
int64_t max_sync_medium_scn = 0;
uint64_t compat_version = 0;
LOG_TRACE("decide_medium_snapshot", K(ret), KPC(this), K(tablet_id));
if (OB_FAIL(tablet->get_max_sync_medium_scn(max_sync_medium_scn))) {
LOG_WARN("failed to get max sync medium scn", K(ret), KPC(this));
} else if (OB_FAIL(ls_.add_dependent_medium_tablet(tablet_id))) { // add dependent_id in ObLSReservedSnapshotMgr
LOG_WARN("failed to add dependent tablet", K(ret), KPC(this));
} else if (OB_FAIL(GET_MIN_DATA_VERSION(MTL_ID(), compat_version))) {
LOG_WARN("fail to get data version", K(ret));
} else if (OB_UNLIKELY(compat_version < DATA_VERSION_4_1_0_0)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("invalid data version to schedule medium compaction", K(ret), K(compat_version));
} else {
int64_t max_reserved_snapshot = 0;
ObGetMergeTablesResult result;
ObMediumCompactionInfo medium_info;
medium_info.data_version_ = compat_version;
if (OB_FAIL(choose_medium_scn[is_major](ls_, *tablet, merge_reason, allocator_, medium_info, result))) {
if (OB_NO_NEED_MERGE != ret) {
LOG_WARN("failed to choose medium snapshot", K(ret), KPC(this));
}
} else if (medium_info.medium_snapshot_ <= max_sync_medium_scn) {
ret = OB_NO_NEED_MERGE;
} else if (is_major) {
// do nothing
} else if (OB_FAIL(get_max_reserved_snapshot(max_reserved_snapshot))) {
LOG_WARN("failed to get multi_version_start", K(ret), KPC(this));
} else if (medium_info.medium_snapshot_ < max_reserved_snapshot) {
// chosen medium snapshot is far too old
LOG_INFO("chosen medium snapshot is invalid for multi_version_start", K(ret), KPC(this),
K(medium_info), K(max_reserved_snapshot));
const share::SCN &weak_read_ts = ls_.get_ls_wrs_handler()->get_ls_weak_read_ts();
if (medium_info.medium_snapshot_ == tablet->get_snapshot_version() // no uncommitted sstable
&& weak_read_ts.get_val_for_tx() <= max_reserved_snapshot
&& weak_read_ts.get_val_for_tx() + DEFAULT_SCHEDULE_MEDIUM_INTERVAL < ObTimeUtility::current_time_ns()) {
const int64_t snapshot_gc_ts = MTL(ObTenantFreezeInfoMgr*)->get_snapshot_gc_ts();
medium_info.medium_snapshot_ = MAX(max_reserved_snapshot, MIN(weak_read_ts.get_val_for_tx(), snapshot_gc_ts));
LOG_INFO("use weak_read_ts to schedule medium", K(ret), KPC(this),
K(medium_info), K(max_reserved_snapshot), K(weak_read_ts), K(snapshot_gc_ts));
} else {
ret = OB_NO_NEED_MERGE;
}
}
if (OB_SUCC(ret) && !is_major) {
const int64_t current_time = ObTimeUtility::current_time_ns();
if (max_reserved_snapshot < current_time) {
const int64_t time_interval = (current_time - max_reserved_snapshot) / 2;
ObSSTable *table = static_cast<ObSSTable *>(tablet->get_table_store().get_major_sstables().get_boundary_table(true/*last*/));
if (OB_ISNULL(table)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("table is unexpected null", K(ret), KP(table));
} else if (table->get_snapshot_version() + time_interval > medium_info.medium_snapshot_) {
ret = OB_NO_NEED_MERGE;
LOG_DEBUG("schedule medium frequently", K(ret), KPC(table), K(medium_info), K(time_interval));
}
}
}
#ifdef ERRSIM
if (OB_SUCC(ret) || OB_NO_NEED_MERGE == ret) {
if (tablet->get_tablet_meta().tablet_id_.id() > ObTabletID::MIN_USER_TABLET_ID) {
ret = OB_E(EventTable::EN_SCHEDULE_MEDIUM_COMPACTION) ret;
LOG_INFO("errsim", K(ret), KPC(this));
if (OB_FAIL(ret)) {
FLOG_INFO("set schedule medium with errsim", KPC(this));
ret = OB_SUCCESS;
}
}
}
#endif
if (FAILEDx(prepare_medium_info(result, medium_info))) {
if (OB_TABLE_IS_DELETED == ret) {
ret = OB_SUCCESS;
} else {
LOG_WARN("failed to prepare medium info", K(ret), K(result), K(tablet->get_storage_schema()));
}
} else if (OB_FAIL(submit_medium_clog(medium_info))) {
LOG_WARN("failed to submit medium clog and update inner table", K(ret), KPC(this));
} else if (OB_TMP_FAIL(ls_.tablet_freeze(tablet_id, true/*is_sync*/))) {
// need to freeze memtable with MediumCompactionInfo
LOG_WARN("failed to freeze tablet", K(tmp_ret), KPC(this));
}
// delete tablet_id in ObLSReservedSnapshotMgr even if submit clog or update inner table failed
if (OB_TMP_FAIL(ls_.del_dependent_medium_tablet(tablet_id))) {
LOG_ERROR("failed to delete dependent medium tablet", K(tmp_ret), KPC(this));
ob_abort();
}
ret = OB_NO_NEED_MERGE == ret ? OB_SUCCESS : ret;
if (OB_FAIL(ret)) {
// add schedule suspect info
ADD_SUSPECT_INFO(MEDIUM_MERGE, ls_.get_ls_id(), tablet_id,
"schedule medium failed",
"compaction_scn", medium_info.medium_snapshot_,
"schema_version", medium_info.storage_schema_.schema_version_,
"error_no", ret);
}
}
}
return ret;
}
int ObMediumCompactionScheduleFunc::init_parallel_range(
const ObGetMergeTablesResult &result,
ObMediumCompactionInfo &medium_info)
{
int ret = OB_SUCCESS;
ObTablet *tablet = nullptr;
if (OB_UNLIKELY(!tablet_handle_.is_valid())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("invalid tablet_handle", K(ret), K(tablet_handle_));
} else if (FALSE_IT(tablet = tablet_handle_.get_obj())) {
} else {
int64_t expected_task_count = 0;
const int64_t tablet_size = medium_info.storage_schema_.get_tablet_size();
const ObSSTable *first_sstable = static_cast<const ObSSTable *>(result.handle_.get_table(0));
if (OB_ISNULL(first_sstable)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("sstable is unexpected null", K(ret), K(tablet));
} else {
const int64_t macro_block_cnt = first_sstable->get_meta().get_macro_info().get_data_block_ids().count();
int64_t inc_row_cnt = 0;
for (int64_t i = 0; i < result.handle_.get_count(); ++i) {
inc_row_cnt += static_cast<const ObSSTable*>(result.handle_.get_table(i))->get_meta().get_row_count();
}
if ((0 == macro_block_cnt && inc_row_cnt > SCHEDULE_RANGE_ROW_COUNT_THRESHOLD)
|| (first_sstable->get_meta().get_row_count() >= SCHEDULE_RANGE_ROW_COUNT_THRESHOLD
&& inc_row_cnt >= first_sstable->get_meta().get_row_count() * SCHEDULE_RANGE_INC_ROW_COUNT_PERCENRAGE_THRESHOLD)) {
if (OB_FAIL(ObParallelMergeCtx::get_concurrent_cnt(tablet_size, macro_block_cnt, expected_task_count))) {
STORAGE_LOG(WARN, "failed to get concurrent cnt", K(ret), K(tablet_size), K(expected_task_count),
KPC(first_sstable));
}
}
}
if (OB_FAIL(ret)) {
} else if (expected_task_count <= 1) {
medium_info.clear_parallel_range();
} else {
ObTableStoreIterator table_iter;
ObArrayArray<ObStoreRange> range_array;
ObPartitionMultiRangeSpliter range_spliter;
ObSEArray<ObStoreRange, 1> input_range_array;
ObStoreRange range;
range.set_start_key(ObStoreRowkey::MIN_STORE_ROWKEY);
range.set_end_key(ObStoreRowkey::MAX_STORE_ROWKEY);
const bool is_major = medium_info.is_major_compaction();
if (OB_FAIL(prepare_iter(result, table_iter))) {
LOG_WARN("failed to get table iter", K(ret), K(range_array));
} else if (OB_FAIL(input_range_array.push_back(range))) {
LOG_WARN("failed to push back range", K(ret), K(range));
} else if (OB_FAIL(range_spliter.get_split_multi_ranges(
input_range_array,
expected_task_count,
tablet->get_index_read_info(),
table_iter,
allocator_,
range_array))) {
LOG_WARN("failed to get split multi range", K(ret), K(range_array));
} else if (OB_FAIL(medium_info.gene_parallel_info(allocator_, range_array))) {
LOG_WARN("failed to get parallel ranges", K(ret), K(range_array));
}
}
}
return ret;
}
int ObMediumCompactionScheduleFunc::get_result_for_major(
ObTablet &tablet,
const ObMediumCompactionInfo &medium_info,
ObGetMergeTablesResult &result)
{
int ret = OB_SUCCESS;
ObSSTable *base_table = nullptr;
const ObTabletTableStore &table_store = tablet.get_table_store();
if (OB_UNLIKELY(!medium_info.is_valid() || !table_store.is_valid())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("get invalid argument", K(ret), K(medium_info), K(table_store));
} else if (OB_ISNULL(base_table = static_cast<ObSSTable*>(table_store.get_major_sstables().get_boundary_table(true/*last*/)))) {
ret = OB_ENTRY_NOT_EXIST;
LOG_WARN("major sstable not exist", K(ret), K(table_store));
} else if (base_table->get_snapshot_version() >= medium_info.medium_snapshot_) {
ret = OB_NO_NEED_MERGE;
} else if (OB_FAIL(result.handle_.add_table(base_table))) {
LOG_WARN("failed to add table into iterator", K(ret), KP(base_table));
} else {
const ObSSTableArray &minor_tables = table_store.get_minor_sstables();
bool start_add_table_flag = false;
for (int64_t i = 0; OB_SUCC(ret) && i < minor_tables.count_; ++i) {
if (OB_ISNULL(minor_tables[i])) {
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("table must not null", K(ret), K(i), K(minor_tables));
} else if (!start_add_table_flag
&& minor_tables[i]->get_upper_trans_version() >= base_table->get_snapshot_version()) {
start_add_table_flag = true;
}
if (OB_SUCC(ret) && start_add_table_flag) {
if (OB_FAIL(result.handle_.add_table(minor_tables[i]))) {
LOG_WARN("failed to add table", K(ret));
}
}
}
}
return ret;
}
int ObMediumCompactionScheduleFunc::prepare_iter(
const ObGetMergeTablesResult &result,
ObTableStoreIterator &table_iter)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(result.handle_.empty())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("handle is invalid", K(ret), K(result));
}
for (int i = 0; OB_SUCC(ret) && i < result.handle_.get_count(); ++i) {
if (OB_FAIL(table_iter.add_table(result.handle_.get_table(i)))) {
LOG_WARN("failed to add table into table_iter", K(ret), K(i));
}
}
return ret;
}
int ObMediumCompactionScheduleFunc::prepare_medium_info(
const ObGetMergeTablesResult &result,
ObMediumCompactionInfo &medium_info)
{
int ret = OB_SUCCESS;
ObTablet *tablet = nullptr;
if (OB_UNLIKELY(!tablet_handle_.is_valid())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("invalid tablet_handle", K(ret), K(tablet_handle_));
} else if (FALSE_IT(tablet = tablet_handle_.get_obj())) {
} else {
ObTableStoreIterator table_iter;
medium_info.cluster_id_ = GCONF.cluster_id; // set cluster id
if (medium_info.is_medium_compaction()) {
ObStorageSchema tmp_storage_schema;
bool use_storage_schema_on_tablet = true;
if (medium_info.medium_snapshot_ > tablet->get_snapshot_version()) {
ObSEArray<ObITable*, MAX_MEMSTORE_CNT> memtables;
if (OB_FAIL(tablet->get_memtables(memtables, true/*need_active*/))) {
LOG_WARN("failed to get memtables", K(ret), KPC(this));
} else if (OB_FAIL(ObMediumCompactionScheduleFunc::get_latest_storage_schema_from_memtable(
allocator_, memtables, tmp_storage_schema))) {
if (OB_ENTRY_NOT_EXIST == ret) {
ret = OB_SUCCESS; // clear errno
} else {
LOG_WARN("failed to get storage schema from memtable", K(ret));
}
} else {
use_storage_schema_on_tablet = false;
}
}
if (FAILEDx(medium_info.save_storage_schema(
allocator_,
use_storage_schema_on_tablet ? tablet->get_storage_schema() : tmp_storage_schema))) {
LOG_WARN("failed to save storage schema", K(ret), K(use_storage_schema_on_tablet), K(tmp_storage_schema));
}
}
if (FAILEDx(init_parallel_range(result, medium_info))) {
LOG_WARN("failed to init parallel range", K(ret), K(medium_info));
} else {
LOG_INFO("success to prepare medium info", K(ret), K(medium_info));
}
}
return ret;
}
int ObMediumCompactionScheduleFunc::get_table_id(
ObMultiVersionSchemaService &schema_service,
const ObTabletID &tablet_id,
const int64_t schema_version,
uint64_t &table_id)
{
int ret = OB_SUCCESS;
table_id = OB_INVALID_ID;
ObSEArray<ObTabletID, 1> tablet_ids;
ObSEArray<uint64_t, 1> table_ids;
if (OB_FAIL(tablet_ids.push_back(tablet_id))) {
LOG_WARN("failed to add tablet id", K(ret));
} else if (OB_FAIL(schema_service.get_tablet_to_table_history(MTL_ID(), tablet_ids, schema_version, table_ids))) {
LOG_WARN("failed to get table id according to tablet id", K(ret), K(schema_version));
} else if (OB_UNLIKELY(table_ids.empty())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected empty table id", K(ret), K(table_ids));
} else if (table_ids.at(0) == OB_INVALID_ID){
ret = OB_TABLE_IS_DELETED;
LOG_WARN("table is deleted", K(ret), K(tablet_id), K(schema_version));
} else {
table_id = table_ids.at(0);
}
return ret;
}
int ObMediumCompactionScheduleFunc::get_table_schema_to_merge(
const ObTablet &tablet,
const int64_t schema_version,
ObIAllocator &allocator,
ObMediumCompactionInfo &medium_info)
{
int ret = OB_SUCCESS;
const uint64_t tenant_id = MTL_ID();
const ObTabletID &tablet_id = tablet.get_tablet_meta().tablet_id_;
uint64_t table_id = OB_INVALID_ID;
ObMultiVersionSchemaService *schema_service = nullptr;
schema::ObSchemaGetterGuard schema_guard;
const ObTableSchema *table_schema = nullptr;
int64_t save_schema_version = schema_version;
if (OB_ISNULL(schema_service = MTL(ObTenantSchemaService *)->get_schema_service())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("failed to get schema service from MTL", K(ret));
} else if (OB_FAIL(get_table_id(*schema_service, tablet_id, schema_version, table_id))) {
if (OB_TABLE_IS_DELETED != ret) {
LOG_WARN("failed to get table id", K(ret), K(tablet_id));
}
} else if (OB_FAIL(schema_service->retry_get_schema_guard(tenant_id,
schema_version,
table_id,
schema_guard,
save_schema_version))) {
if (OB_TABLE_IS_DELETED == ret) {
LOG_WARN("table is deleted", K(ret), K(table_id));
} else if (OB_ERR_SCHEMA_HISTORY_EMPTY == ret) {
LOG_WARN("schema history may recycle", K(ret));
} else {
LOG_WARN("Fail to get schema", K(ret), K(tenant_id), K(schema_version), K(table_id));
}
} else if (save_schema_version < schema_version) {
ret = OB_SCHEMA_ERROR;
LOG_WARN("can not use older schema version", K(ret), K(schema_version), K(save_schema_version), K(table_id));
} else if (OB_FAIL(schema_guard.get_table_schema(tenant_id, table_id, table_schema))) {
LOG_WARN("Fail to get table schema", K(ret), K(table_id));
} else if (NULL == table_schema) {
ret = OB_TABLE_IS_DELETED;
LOG_WARN("table is deleted", K(ret), K(table_id));
}
#ifdef ERRSIM
if (OB_SUCC(ret)) {
static bool have_set_errno = false;
static ObTabletID errno_tablet_id;
ret = OB_E(EventTable::EN_SCHEDULE_MAJOR_GET_TABLE_SCHEMA) ret;
if (OB_FAIL(ret)) {
if (tablet_id.id() > ObTabletID::MIN_USER_TABLET_ID
&& tablet_id != tablet.get_tablet_meta().data_tablet_id_
&& ATOMIC_BCAS(&have_set_errno, false, true)) {
LOG_INFO("set get table schema failed with errsim", K(ret), K(table_id), K(tablet_id));
errno_tablet_id = tablet_id;
return ret;
} else {
ret = OB_SUCCESS;
}
}
}
#endif
if (FAILEDx(medium_info.storage_schema_.init(
allocator,
*table_schema,
tablet.get_tablet_meta().compat_mode_))) {
LOG_WARN("failed to init storage schema", K(ret), K(schema_version));
} else {
FLOG_INFO("get schema to merge", K(table_id), K(schema_version), K(save_schema_version),
K(*reinterpret_cast<const ObPrintableTableSchema*>(table_schema)));
}
return ret;
}
int ObMediumCompactionScheduleFunc::submit_medium_clog(
ObMediumCompactionInfo &medium_info)
{
int ret = OB_SUCCESS;
#ifdef ERRSIM
ret = OB_E(EventTable::EN_MEDIUM_COMPACTION_SUBMIT_CLOG_FAILED) ret;
if (OB_FAIL(ret)) {
LOG_INFO("set update medium clog failed with errsim", KPC(this));
return ret;
}
#endif
ObTablet *tablet = nullptr;
if (OB_UNLIKELY(!tablet_handle_.is_valid())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("invalid tablet_handle", K(ret), K(tablet_handle_));
} else if (FALSE_IT(tablet = tablet_handle_.get_obj())) {
} else if (OB_FAIL(tablet->submit_medium_compaction_clog(medium_info, allocator_))) {
LOG_WARN("failed to submit medium compaction clog", K(ret), K(medium_info));
} else {
LOG_INFO("success to submit medium compaction clog", K(ret), KPC(this), K(medium_info));
}
return ret;
}
int ObMediumCompactionScheduleFunc::check_medium_meta_table(
const int64_t check_medium_snapshot,
const ObLSID &ls_id,
const ObTabletID &tablet_id,
const ObLSLocality &ls_locality,
bool &merge_finish)
{
int ret = OB_SUCCESS;
merge_finish = false;
ObTabletInfo tablet_info;
if (OB_UNLIKELY(check_medium_snapshot <= 0)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret), K(check_medium_snapshot), K(ls_id), K(tablet_id));
} else if (OB_FAIL(init_tablet_filters())) {
LOG_WARN("failed to init tablet filters", K(ret));
} else if (OB_FAIL(ObTabletTableOperator::get_tablet_info(GCTX.sql_proxy_, MTL_ID(), tablet_id, ls_id, tablet_info))) {
LOG_WARN("failed to get tablet info", K(ret), K(ls_id), K(tablet_id));
} else if (OB_UNLIKELY(!tablet_info.is_valid())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("tabled_id is invalid", K(ret), K(ls_id), K(tablet_id));
} else {
const ObArray<ObTabletReplica> &replica_array = tablet_info.get_replicas();
int64_t unfinish_cnt = 0;
int64_t filter_cnt = 0;
bool pass = true;
for (int i = 0; OB_SUCC(ret) && i < replica_array.count(); ++i) {
const ObTabletReplica &replica = replica_array.at(i);
if (OB_UNLIKELY(!replica.is_valid())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("replica info is invalid", K(ret), K(ls_id), K(tablet_id), K(replica));
} else if (OB_FAIL(filters_.check(replica, pass))) {
LOG_WARN("filter replica failed", K(ret), K(replica), K(filters_));
} else if (!pass) {
// do nothing
filter_cnt++;
} else if (replica.get_snapshot_version() >= check_medium_snapshot) {
// replica may have check_medium_snapshot = 2, but have received medium info of 3,
// when this replica is elected as leader, this will happened
} else if (ls_locality.is_valid()) {
if (ls_locality.check_exist(replica.get_server())) {
unfinish_cnt++;
} else {
filter_cnt++;
LOG_TRACE("filter by ls locality", K(ret), K(replica));
}
} else {
unfinish_cnt++;
}
} // end of for
LOG_INFO("check_medium_compaction_finish", K(ret), K(ls_id), K(tablet_id), K(check_medium_snapshot),
K(unfinish_cnt), K(filter_cnt), "total_cnt", replica_array.count());
if (0 == unfinish_cnt) { // merge finish
merge_finish = true;
}
}
return ret;
}
int ObMediumCompactionScheduleFunc::init_tablet_filters()
{
int ret = OB_SUCCESS;
if (!filters_inited_) {
if (OB_FAIL(filters_.set_filter_not_exist_server(ObAllServerTracer::get_instance()))) {
LOG_WARN("fail to set not exist server filter", KR(ret));
} else if (OB_FAIL(filters_.set_filter_permanent_offline(ObAllServerTracer::get_instance()))) {
LOG_WARN("fail to set filter", KR(ret));
} else {
filters_inited_ = true;
}
}
return ret;
}
int ObMediumCompactionScheduleFunc::check_medium_checksum_table(
const int64_t check_medium_snapshot,
const ObLSID &ls_id,
const ObTabletID &tablet_id)
{
int ret = OB_SUCCESS;
ObSEArray<ObTabletReplicaChecksumItem, 3> checksum_items;
if (OB_FAIL(ObTabletReplicaChecksumOperator::get_specified_tablet_checksum(
MTL_ID(), ls_id.id(), tablet_id.id(), check_medium_snapshot, checksum_items))) {
LOG_WARN("failed to get tablet checksum", K(ret), K(ls_id), K(tablet_id), K(check_medium_snapshot));
} else {
for (int i = 1; OB_SUCC(ret) && i < checksum_items.count(); ++i) {
if (OB_FAIL(checksum_items.at(0).verify_checksum(checksum_items.at(i)))) {
if (ret == OB_CHECKSUM_ERROR) {
LOG_DBA_ERROR(OB_CHECKSUM_ERROR, "msg", "checksum verify failed", K(ret), K(checksum_items.at(0)), K(i), K(checksum_items.at(i)));
} else {
LOG_ERROR("checksum verify failed", K(ret), K(checksum_items.at(0)), K(i), K(checksum_items.at(i)));
}
}
}
#ifdef ERRSIM
if (OB_SUCC(ret)) {
ret = OB_E(EventTable::EN_MEDIUM_REPLICA_CHECKSUM_ERROR) OB_SUCCESS;
if (OB_FAIL(ret)) {
STORAGE_LOG(INFO, "ERRSIM EN_MEDIUM_REPLICA_CHECKSUM_ERROR", K(ret), K(ls_id), K(tablet_id));
}
}
#endif
if (OB_CHECKSUM_ERROR == ret) {
int tmp_ret = OB_SUCCESS;
ObTabletCompactionScnInfo medium_snapshot_info(
MTL_ID(),
ls_id,
tablet_id,
ObTabletReplica::SCN_STATUS_ERROR);
ObTabletCompactionScnInfo unused_ret_info;
int64_t affected_rows = 0;
// TODO(@lixia.yq) delete status when data_checksum_error is a inner_table
if (OB_TMP_FAIL(ObTabletMetaTableCompactionOperator::set_info_status(
medium_snapshot_info, unused_ret_info, affected_rows))) {
LOG_WARN("failed to set info status", K(tmp_ret), K(medium_snapshot_info));
} else {
MTL(ObTenantTabletScheduler*)->update_error_tablet_cnt(affected_rows);
}
}
}
return ret;
}
// for Leader, clean wait_check_medium_scn
// may change tablet_ to the new tablet
int ObMediumCompactionScheduleFunc::check_medium_finish(const ObLSLocality &ls_locality)
{
int ret = OB_SUCCESS;
ObTablet *tablet = nullptr;
if (OB_UNLIKELY(!tablet_handle_.is_valid())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("invalid tablet_handle", K(ret), K(tablet_handle_));
} else if (FALSE_IT(tablet = tablet_handle_.get_obj())) {
} else {
const ObLSID &ls_id = ls_.get_ls_id();
const ObTabletID &tablet_id = tablet->get_tablet_meta().tablet_id_;
const int64_t wait_check_medium_scn = tablet->get_medium_compaction_info_list().get_wait_check_medium_scn();
bool merge_finish = false;
if (0 == wait_check_medium_scn) {
// do nothing
} else if (OB_FAIL(check_medium_meta_table(wait_check_medium_scn, ls_id, tablet_id, ls_locality, merge_finish))) {
LOG_WARN("failed to check inner table", K(ret), KPC(this));
} else if (!merge_finish) {
// do nothing
} else if (OB_FAIL(check_medium_checksum_table(wait_check_medium_scn, ls_id, tablet_id))) { // check checksum
LOG_WARN("failed to check checksum", K(ret), K(wait_check_medium_scn), KPC(this));
} else {
const ObMediumCompactionInfo::ObCompactionType compaction_type = tablet->get_medium_compaction_info_list().get_last_compaction_type();
FLOG_INFO("check medium compaction info", K(ret), K(ls_id), K(tablet_id), K(compaction_type));
// clear wait_check_medium_scn on Tablet
ObTabletHandle new_handle;
if (OB_FAIL(ls_.update_medium_compaction_info(tablet_id, new_handle))) {
LOG_WARN("failed to update medium compaction info", K(ret), K(ls_id), K(tablet_id));
} else if (!new_handle.is_valid()) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("invalid tablet handle", K(ret), K(ls_id), K(new_handle));
} else {
tablet_handle_ = new_handle;
}
}
}
return ret;
}
// scheduler_called = false : called in compaction, DO NOT visit inner table in this func
// scheduler_called = true : in scheduler loop, could visit inner table
int ObMediumCompactionScheduleFunc::schedule_tablet_medium_merge(
ObLS &ls,
ObTablet &tablet,
const int64_t input_major_snapshot,
const bool scheduler_called)
{
int ret = OB_SUCCESS;
#ifdef ERRSIM
ret = OB_E(EventTable::EN_MEDIUM_CREATE_DAG) ret;
if (OB_FAIL(ret)) {
LOG_INFO("set create medium dag failed with errsim", K(ret));
return ret;
}
#endif
if (MTL(ObTenantTabletScheduler *)->could_major_merge_start()) {
const ObMediumCompactionInfoList &medium_list = tablet.get_medium_compaction_info_list();
const ObTabletID &tablet_id = tablet.get_tablet_meta().tablet_id_;
const ObLSID &ls_id = ls.get_ls_id();
ObITable *last_major = tablet.get_table_store().get_major_sstables().get_boundary_table(true/*last*/);
bool schedule_flag = false;
if (OB_ISNULL(last_major)) {
// do nothing
} else if (ObMediumCompactionInfo::MAJOR_COMPACTION == medium_list.get_last_compaction_type()
&& !MTL_IS_PRIMARY_TENANT()) { // for STANDBY/RESTORE TENANT
ObTabletCompactionScnInfo ret_info;
// for standby/restore tenant, need select inner_table to check RS status before schedule new round
if (!scheduler_called) { // should not visit inner table, wait for scheduler loop
} else if (OB_FAIL(get_status_from_inner_table(ls_id, tablet_id, ret_info))) {
LOG_WARN("failed to get status from inner tablet", K(ret), K(ls_id), K(tablet_id));
} else if (ret_info.could_schedule_next_round(medium_list.get_last_compaction_scn())) {
LOG_INFO("success to check RS major checksum validation finished", K(ret), K(ls_id), K(tablet_id));
schedule_flag = true;
}
} else {
schedule_flag = true;
}
if (OB_SUCC(ret) && schedule_flag) {
int64_t major_frozen_snapshot = 0 == input_major_snapshot ? MTL(ObTenantTabletScheduler *)->get_frozen_version() : input_major_snapshot;
ObMediumCompactionInfo::ObCompactionType compaction_type = ObMediumCompactionInfo::COMPACTION_TYPE_MAX;
int64_t schedule_scn = 0;
bool need_merge = false;
(void)tablet.get_medium_compaction_info_list().get_schedule_scn(major_frozen_snapshot, schedule_scn, compaction_type);
LOG_DEBUG("schedule_tablet_medium_merge", K(schedule_scn), K(major_frozen_snapshot), K(scheduler_called), K(ls_id), K(tablet_id));
if (0 == schedule_scn
&& 0 == tablet.get_medium_compaction_info_list().size() // serialized medium list is empty
&& scheduler_called
&& OB_FAIL(get_schedule_medium_from_memtable(tablet, major_frozen_snapshot, schedule_scn, compaction_type))) {
LOG_WARN("failed to get schedule medium scn from memtables", K(ret));
} else if (schedule_scn > 0) {
if (OB_FAIL(check_need_merge_and_schedule(ls, tablet, schedule_scn, compaction_type))) {
LOG_WARN("failed to check medium merge", K(ret), K(ls_id), K(tablet_id), K(schedule_scn));
}
}
}
}
return ret;
}
int ObMediumCompactionScheduleFunc::get_palf_role(const ObLSID &ls_id, ObRole &role)
{
int ret = OB_SUCCESS;
role = INVALID_ROLE;
int64_t unused_proposal_id = 0;
palf::PalfHandleGuard palf_handle_guard;
if (OB_FAIL(MTL(logservice::ObLogService*)->open_palf(ls_id, palf_handle_guard))) {
if (OB_LS_NOT_EXIST != ret) {
LOG_WARN("failed to open palf", K(ret), K(ls_id));
}
} else if (OB_FAIL(palf_handle_guard.get_role(role, unused_proposal_id))) {
LOG_WARN("failed to get palf handle role", K(ret), K(ls_id));
}
return ret;
}
int ObMediumCompactionScheduleFunc::get_schedule_medium_from_memtable(
ObTablet &tablet,
const int64_t major_frozen_snapshot,
int64_t &schedule_medium_scn,
ObMediumCompactionInfo::ObCompactionType &compaction_type)
{
int ret = OB_SUCCESS;
schedule_medium_scn = 0;
compaction_type = ObMediumCompactionInfo::COMPACTION_TYPE_MAX;
ObITable *last_major = tablet.get_table_store().get_major_sstables().get_boundary_table(true/*last*/);
if (OB_NOT_NULL(last_major)) {
ObArenaAllocator tmp_allocator;
ObMediumCompactionInfoList tmp_medium_list;
const int64_t last_major_snapshot = last_major->get_snapshot_version();
ObSEArray<ObITable*, MAX_MEMSTORE_CNT> memtables;
if (OB_FAIL(tablet.get_memtables(memtables, true/*need_active*/))) {
LOG_WARN("failed to get memtables", K(ret), "tablet_id", tablet.get_tablet_meta().tablet_id_);
} else if (memtables.empty()) {
// do nothing
} else if (OB_FAIL(get_medium_info_list_from_memtable(tmp_allocator, memtables, tmp_medium_list))) {
LOG_WARN("failed to get medium info list from memtable", K(ret));
} else if (!tmp_medium_list.is_empty()) {
const ObMediumCompactionInfo *info_in_list = nullptr;
DLIST_FOREACH_X(info, tmp_medium_list.get_list(), OB_SUCC(ret)) {
if (OB_UNLIKELY(memtable::MultiSourceDataUnitType::MEDIUM_COMPACTION_INFO != info->type())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("return info is invalid", K(ret), KPC(info));
} else if (FALSE_IT(info_in_list = static_cast<const ObMediumCompactionInfo *>(info))) {
} else if (info_in_list->medium_snapshot_ <= last_major_snapshot) {
// finished, this medium info could recycle
} else {
if (info_in_list->is_medium_compaction() || info_in_list->medium_snapshot_ <= major_frozen_snapshot) {
schedule_medium_scn = info_in_list->medium_snapshot_;
compaction_type = (ObMediumCompactionInfo::ObCompactionType)info_in_list->compaction_type_;
}
break; // found one unfinish medium info, loop end
}
}
}
}
return ret;
}
int ObMediumCompactionScheduleFunc::check_need_merge_and_schedule(
ObLS &ls,
ObTablet &tablet,
const int64_t schedule_scn,
const ObMediumCompactionInfo::ObCompactionType compaction_type)
{
int ret = OB_SUCCESS;
int tmp_ret = OB_SUCCESS;
bool need_merge = false;
bool can_merge = false;
bool need_force_freeze = false;
const ObLSID &ls_id = ls.get_ls_id();
const ObTabletID &tablet_id = tablet.get_tablet_meta().tablet_id_;
if (OB_UNLIKELY(0 == schedule_scn || !ObMediumCompactionInfo::is_valid_compaction_type(compaction_type))) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret), K(schedule_scn), K(compaction_type));
} else if (OB_FAIL(ObPartitionMergePolicy::check_need_medium_merge(
ls,
tablet,
schedule_scn,
need_merge,
can_merge,
need_force_freeze))) { // check merge finish
LOG_WARN("failed to check medium merge", K(ret), K(ls_id), K(tablet_id));
} else if (need_merge && can_merge) {
const ObMediumCompactionInfo *medium_info = nullptr;
if (OB_TMP_FAIL(ObTenantTabletScheduler::schedule_merge_dag(
ls.get_ls_id(),
tablet_id,
MEDIUM_MERGE,
schedule_scn,
ObMediumCompactionInfo::is_major_compaction(compaction_type)))) {
if (OB_SIZE_OVERFLOW != tmp_ret && OB_EAGAIN != tmp_ret) {
ret = tmp_ret;
LOG_WARN("failed to schedule medium merge dag", K(ret), K(ls_id), K(tablet_id));
}
} else {
LOG_DEBUG("success to schedule medium merge dag", K(ret), K(schedule_scn));
}
} else if (need_force_freeze) {
if (OB_TMP_FAIL(MTL(ObTenantFreezer *)->tablet_freeze(tablet_id, true/*force_freeze*/, true/*is_sync*/))) {
LOG_WARN("failed to force freeze tablet", K(tmp_ret), K(ls_id), K(tablet_id));
}
}
return ret;
}
int ObMediumCompactionScheduleFunc::get_latest_storage_schema_from_memtable(
ObIAllocator &allocator,
const ObIArray<ObITable *> &memtables,
ObStorageSchema &storage_schema)
{
int ret = OB_SUCCESS;
ObITable *table = nullptr;
memtable::ObMemtable * memtable = nullptr;
bool found = false;
for (int64_t i = memtables.count() - 1; OB_SUCC(ret) && i >= 0; --i) {
if (OB_ISNULL(table = memtables.at(i))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("table in tables_handle is invalid", K(ret), KPC(table));
} else if (OB_ISNULL(memtable = dynamic_cast<memtable::ObMemtable *>(table))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("table pointer does not point to a ObMemtable object", KPC(table));
} else if (OB_FAIL(memtable->get_multi_source_data_unit(&storage_schema, &allocator))) {
if (OB_ENTRY_NOT_EXIST == ret) {
ret = OB_SUCCESS; // clear OB_ENTRY_NOT_EXIST
} else {
LOG_WARN("failed to get storage schema from memtable", K(ret), KPC(table));
}
} else {
found = true;
break;
}
} // end for
if (OB_SUCC(ret) && !found) {
ret = OB_ENTRY_NOT_EXIST;
}
return ret;
}
// make sure only data tablet could schedule this func
int ObMediumCompactionScheduleFunc::get_medium_info_list_from_memtable(
ObIAllocator &allocator,
const ObIArray<ObITable *> &memtables,
ObMediumCompactionInfoList &medium_list)
{
int ret = OB_SUCCESS;
if (OB_FAIL(medium_list.init(allocator))) {
LOG_WARN("failed to init merge list", K(ret));
}
ObITable *table = nullptr;
memtable::ObMemtable *memtable = nullptr;
compaction::ObMediumCompactionInfo useless_medium_info;
memtable::ObMultiSourceData::ObIMultiSourceDataUnitList dst_list;
for (int64_t i = 0; OB_SUCC(ret) && i < memtables.count(); ++i) {
dst_list.reset();
if (OB_ISNULL(table = memtables.at(i))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("table in tables_handle is invalid", K(ret), KPC(table));
} else if (OB_ISNULL(memtable = dynamic_cast<memtable::ObMemtable *>(table))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("table pointer does not point to a ObMemtable object", KPC(table));
} else if (OB_FAIL(memtable->get_multi_source_data_unit_list(&useless_medium_info, dst_list, &allocator))) {
LOG_WARN("failed to get medium info from memtable", K(ret), KPC(table));
} else {
ObMediumCompactionInfo *info_in_list = nullptr;
DLIST_FOREACH_X(info, dst_list, OB_SUCC(ret)) {
if (OB_UNLIKELY(memtable::MultiSourceDataUnitType::MEDIUM_COMPACTION_INFO != info->type())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("return info is invalid", K(ret), KPC(info));
} else if (FALSE_IT(info_in_list = static_cast<ObMediumCompactionInfo *>(info))) {
} else if (OB_FAIL(medium_list.add_medium_compaction_info(*info_in_list))) {
LOG_WARN("failed to add medium compaction info", K(ret), KPC(info_in_list));
}
}
}
} // end of for
return ret;
}
} //namespace compaction
} // namespace oceanbase
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