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oceanbase/mittest/logservice/test_ob_simple_log_rebuild.cpp

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/**
* Copyright (c) 2021 OceanBase
* OceanBase CE 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.
*/
#include <cstdio>
#include <gtest/gtest.h>
#include <signal.h>
#include "share/scn.h"
#define private public
#include "env/ob_simple_log_cluster_env.h"
#undef private
const std::string TEST_NAME = "test_rebuild";
using namespace oceanbase::common;
using namespace oceanbase;
namespace oceanbase
{
using namespace logservice;
using namespace palf;
namespace unittest
{
class TestObSimpleLogClusterRebuild : public ObSimpleLogClusterTestEnv
{
public:
TestObSimpleLogClusterRebuild() : ObSimpleLogClusterTestEnv()
{}
public:
class TestRebuildCbImpl : public PalfRebuildCb, public share::ObThreadPool
{
public:
TestRebuildCbImpl():
test_base_(NULL),
server_idx_(-1),
rebuild_palf_id_(-1),
rebuild_lsn_(),
allow_rebuild_(false),
is_inited_(false) {}
virtual ~TestRebuildCbImpl() { destroy(); }
public:
int init(TestObSimpleLogClusterRebuild *ptr, const int64_t server_idx)
{
int ret = OB_SUCCESS;
if (OB_ISNULL(ptr) || server_idx < 0 || server_idx >= ptr->get_member_cnt()) {
ret = OB_INVALID_ARGUMENT;
PALF_LOG(ERROR, "invalid_argument", KP(ptr), K(server_idx));
} else {
test_base_ = ptr;
server_idx_ = server_idx;
is_inited_ = true;
}
return ret;
}
int start()
{
int ret = OB_SUCCESS;
if (IS_NOT_INIT) {
ret = OB_NOT_INIT;
} else if (OB_FAIL(share::ObThreadPool::start())) {
PALF_LOG(ERROR, "RebuildCB thread failed to start");
} else {
PALF_LOG(INFO, "RebuildCB start success", K(ret));
}
return ret;
}
void destroy()
{
is_inited_ = false;
stop();
wait();
server_idx_ = -1;
rebuild_palf_id_ = -1;
rebuild_lsn_.reset();
allow_rebuild_ = false;
test_base_ = NULL;
}
int on_rebuild(const int64_t id, const LSN &lsn)
{
int ret = OB_SUCCESS;
if (!is_inited_) {
ret = OB_NOT_INIT;
} else if (id < 0 || !lsn.is_valid()) {
ret = OB_INVALID_ARGUMENT;
SERVER_LOG(ERROR, "invalid rebuild argument", K(server_idx_), K(id), K(lsn));
} else {
rebuild_palf_id_ = id;
rebuild_lsn_ = lsn;
SERVER_LOG(INFO, "on_rebuild success", K(server_idx_), K(id), K(lsn));
}
return ret;
}
void run1()
{
share::ObTenantBase tenant_base(OB_SYS_TENANT_ID);
tenant_base.init();
ObTenantEnv::set_tenant(&tenant_base);
lib::set_thread_name("RebuildCB");
while (!has_set_stop()) {
if (true == allow_rebuild_ && rebuild_palf_id_ != -1 && rebuild_lsn_.is_valid()) {
PalfHandleImplGuard leader;
PalfHandleImplGuard *rebuild_palf;
int64_t leader_idx;
PalfBaseInfo rebuild_base_info;
std::vector<PalfHandleImplGuard*> palf_list;
EXPECT_EQ(OB_SUCCESS, test_base_->get_cluster_palf_handle_guard(rebuild_palf_id_, palf_list));
rebuild_palf = palf_list[server_idx_];
EXPECT_EQ(OB_SUCCESS, test_base_->get_leader(test_base_->palf_id_, leader, leader_idx));
EXPECT_EQ(OB_SUCCESS, rebuild_palf->palf_handle_impl_->disable_sync());
EXPECT_EQ(OB_SUCCESS, leader.palf_handle_impl_->get_base_info(rebuild_lsn_, rebuild_base_info));
EXPECT_EQ(OB_SUCCESS, rebuild_palf->palf_handle_impl_->advance_base_info(rebuild_base_info, true));
EXPECT_EQ(OB_SUCCESS, rebuild_palf->palf_handle_impl_->enable_sync());
rebuild_palf = NULL;
test_base_->revert_cluster_palf_handle_guard(palf_list);
rebuild_palf_id_ = -1;
rebuild_lsn_.reset();
}
SERVER_LOG(INFO, "RebuildCB", K(server_idx_));
usleep(500 * 1000);
}
}
public:
TestObSimpleLogClusterRebuild *test_base_;
int64_t server_idx_;
int64_t rebuild_palf_id_;
LSN rebuild_lsn_;
bool allow_rebuild_;
bool is_inited_;
};
};
int64_t ObSimpleLogClusterTestBase::member_cnt_ = 3;
int64_t ObSimpleLogClusterTestBase::node_cnt_ = 3;
std::string ObSimpleLogClusterTestBase::test_name_ = TEST_NAME;
bool ObSimpleLogClusterTestBase::need_add_arb_server_ = false;
TEST_F(TestObSimpleLogClusterRebuild, test_old_leader_rebuild)
{
SET_CASE_LOG_FILE(TEST_NAME, "old_leader_rebuild");
const int64_t id = ATOMIC_AAF(&palf_id_, 1);
constexpr int64_t KB = 1024;
constexpr int64_t MB = 1024 * 1024;
PALF_LOG(INFO, "start test old_leader_rebuild", K(id));
int64_t leader_idx = 0;
unittest::PalfHandleImplGuard leader;
unittest::PalfHandleImplGuard *rebuild_server = NULL;
std::vector<PalfHandleImplGuard*> palf_list;
int64_t follower_idx1, follower_idx2;
EXPECT_EQ(OB_SUCCESS, create_paxos_group(id, leader_idx, leader));
EXPECT_EQ(OB_SUCCESS, get_cluster_palf_handle_guard(id, palf_list));
follower_idx1 = (leader_idx + 1) % 3;
follower_idx2 = (leader_idx + 2) % 3;
TestRebuildCbImpl rebuild_cb;
PalfRebuildCbNode rebuild_node(&rebuild_cb);
EXPECT_EQ(OB_SUCCESS, rebuild_cb.init(this, leader_idx));
EXPECT_EQ(OB_SUCCESS, rebuild_cb.start());
// reigster rebuild cb
rebuild_server = &leader;
EXPECT_EQ(OB_SUCCESS, rebuild_server->palf_handle_impl_->register_rebuild_cb(&rebuild_node));
EXPECT_EQ(OB_SUCCESS, submit_log(leader, 1000, id, 6 * KB));
sleep(1);
PALF_LOG(INFO, "begin block net", K(id), K(leader_idx), K(follower_idx1), K(follower_idx2));
block_net(leader_idx, follower_idx1);
block_net(leader_idx, follower_idx2);
submit_log(leader, 100, id, 6 * KB);
PALF_LOG(INFO, "begin submit logs", K(id), K(leader_idx), K(follower_idx1), K(follower_idx2));
(void) submit_log(leader, 1000, leader_idx, MB);
PALF_LOG(INFO, "after sleep 16s, begin get_leader", K(id), K(leader_idx), K(follower_idx1), K(follower_idx2));
int64_t new_leader_idx = 0;
unittest::PalfHandleImplGuard new_leader;
EXPECT_EQ(OB_SUCCESS, get_leader(id, new_leader, new_leader_idx));
PALF_LOG(INFO, "after get_leader", K(id), K(leader_idx), K(new_leader_idx));
// submit logs
EXPECT_EQ(OB_SUCCESS, submit_log(new_leader, 64 * 6, id, MB));
// update new_leader's disk option, only reserves 4 * 80% log blocks,
// that means 2 blocks will be recycled
PALF_LOG(INFO, "begin advance_base_lsn", K(id), K(leader_idx), K(new_leader_idx));
LSN recycle_lsn(2 * PALF_BLOCK_SIZE);
EXPECT_EQ(OB_SUCCESS, new_leader.palf_handle_impl_->set_base_lsn(recycle_lsn));
update_disk_options(new_leader_idx, 4);
// recycle 2 block
sleep(5);
block_id_t leader_min_block_id;
share::SCN min_scn;
block_id_t min_block_id, max_block_id;
while (true) {
EXPECT_EQ(OB_SUCCESS, new_leader.palf_handle_impl_->get_min_block_info_for_gc(leader_min_block_id, min_scn));
// palf will reserve one more block
if (1 ==leader_min_block_id) {
break;
} else {
sleep(2);
}
}
EXPECT_EQ(OB_SUCCESS, rebuild_server->palf_handle_impl_->log_engine_.get_block_id_range(min_block_id, max_block_id));
PALF_LOG_RET(ERROR, OB_ERR_UNEXPECTED, "runlin trace get_block_id_range", K(min_block_id), K(max_block_id));
// submit a cond task before unblocking net to stop truncating task
IOTaskCond cond(id, rebuild_server->palf_env_impl_->last_palf_epoch_);
LogIOWorker *io_worker = &rebuild_server->palf_env_impl_->log_io_worker_;
io_worker->submit_io_task(&cond);
// after unblocking net, old leader will do rebuild
unblock_net(leader_idx, follower_idx1);
unblock_net(leader_idx, follower_idx2);
sleep(5);
// is truncating, can not rebuild
if (rebuild_server->palf_handle_impl_->sw_.is_truncating_) {
PalfBaseInfo rebuild_base_info;
EXPECT_EQ(OB_SUCCESS, new_leader.palf_handle_impl_->get_base_info(rebuild_cb.rebuild_lsn_, rebuild_base_info));
EXPECT_EQ(OB_SUCCESS, rebuild_server->palf_handle_impl_->disable_sync());
EXPECT_EQ(OB_EAGAIN, rebuild_server->palf_handle_impl_->advance_base_info(rebuild_base_info, true));
}
cond.cond_.signal();
sleep(5);
rebuild_cb.allow_rebuild_ = true;
PalfBaseInfo base_info_in_leader;
PalfBaseInfo base_info_after_rebuild;
// check block_id
block_id_t rebuild_server_min_block_id;
// get block_id may be executed when all blocks are deleted, so wait for OB_SUCCESS
while (OB_SUCCESS != rebuild_server->palf_handle_impl_->get_min_block_info_for_gc(rebuild_server_min_block_id, min_scn))
{
sleep(1);
}
EXPECT_EQ(2, rebuild_server_min_block_id);
// check base_lsn
EXPECT_EQ(recycle_lsn, rebuild_server->palf_handle_impl_->log_engine_.get_log_meta().get_log_snapshot_meta().base_lsn_);
EXPECT_EQ(OB_SUCCESS, new_leader.palf_handle_impl_->get_base_info(recycle_lsn, base_info_in_leader));
EXPECT_EQ(OB_SUCCESS, rebuild_server->palf_handle_impl_->get_base_info(recycle_lsn, base_info_after_rebuild));
// check prev_log_info
EXPECT_EQ(base_info_in_leader.prev_log_info_, base_info_after_rebuild.prev_log_info_);
LSN leader_end_lsn, rebuild_server_end_lsn;
leader_end_lsn = new_leader.palf_handle_impl_->get_end_lsn();
rebuild_server_end_lsn = rebuild_server->palf_handle_impl_->get_end_lsn();
PALF_LOG(INFO, "rebuild result", K(leader_end_lsn), K(rebuild_server_end_lsn));
// EXPECT_EQ(OB_SUCCESS, delete_paxos_group(id));
revert_cluster_palf_handle_guard(palf_list);
EXPECT_EQ(OB_SUCCESS, new_leader.palf_handle_impl_->set_base_lsn(LSN(64*6*MB)));
sleep(1);
EXPECT_EQ(OB_SUCCESS, update_disk_options(new_leader_idx, 40));
PALF_LOG(INFO, "end test old_leader_rebuild", K(id));
}
TEST_F(TestObSimpleLogClusterRebuild, test_follower_rebuild)
{
SET_CASE_LOG_FILE(TEST_NAME, "follower_rebuild");
const int64_t id = ATOMIC_AAF(&palf_id_, 1);
constexpr int64_t MB = 1024 * 1024;
PALF_LOG(INFO, "start test follower_rebuild", K(id));
int64_t leader_idx = 0;
unittest::PalfHandleImplGuard leader;
unittest::PalfHandleImplGuard *rebuild_server = NULL;
std::vector<PalfHandleImplGuard*> palf_list;
int64_t follower_idx;
EXPECT_EQ(OB_SUCCESS, create_paxos_group(id, leader_idx, leader));
EXPECT_EQ(OB_SUCCESS, get_cluster_palf_handle_guard(id, palf_list));
follower_idx = (leader_idx + 1) % 3;
TestRebuildCbImpl rebuild_cb;
rebuild_cb.allow_rebuild_ = true;
PalfRebuildCbNode rebuild_node(&rebuild_cb);
EXPECT_EQ(OB_SUCCESS, rebuild_cb.init(this, follower_idx));
EXPECT_EQ(OB_SUCCESS, rebuild_cb.start());
// reigster rebuild cb
rebuild_server = palf_list[follower_idx];
EXPECT_EQ(OB_SUCCESS, rebuild_server->palf_handle_impl_->register_rebuild_cb(&rebuild_node));
// the follower is empty
block_net(leader_idx, follower_idx);
EXPECT_EQ(OB_SUCCESS, submit_log(leader, 64, leader_idx, MB));
EXPECT_EQ(OB_SUCCESS, submit_log(leader, 64 * 5, leader_idx, MB));
// recycle one block
LSN recycle_lsn(2 * PALF_BLOCK_SIZE);
EXPECT_EQ(OB_SUCCESS, leader.palf_handle_impl_->set_base_lsn(recycle_lsn));
update_disk_options(leader_idx, 4);
sleep(1);
block_id_t leader_min_block_id, follower_min_block_id;
share::SCN min_scn;
while (true) {
EXPECT_EQ(OB_SUCCESS, leader.palf_handle_impl_->get_min_block_info_for_gc(leader_min_block_id, min_scn));
if (1 == leader_min_block_id) {
break;
} else {
sleep(2);
}
}
EXPECT_EQ(recycle_lsn, leader.palf_handle_impl_->log_engine_.get_log_meta().get_log_snapshot_meta().base_lsn_);
// follower_idx will trigger rebuild when fetching log
unblock_net(leader_idx, follower_idx);
sleep(10);
PalfBaseInfo base_info_in_leader;
PalfBaseInfo base_info_after_rebuild;
// check block_id
EXPECT_EQ(OB_SUCCESS, rebuild_server->palf_handle_impl_->get_min_block_info_for_gc(follower_min_block_id, min_scn));
EXPECT_EQ(2, follower_min_block_id);
// check base_lsn
EXPECT_EQ(recycle_lsn, rebuild_server->palf_handle_impl_->log_engine_.get_log_meta().get_log_snapshot_meta().base_lsn_);
EXPECT_EQ(OB_SUCCESS, leader.palf_handle_impl_->get_base_info(recycle_lsn, base_info_in_leader));
EXPECT_EQ(OB_SUCCESS, rebuild_server->palf_handle_impl_->get_base_info(recycle_lsn, base_info_after_rebuild));
// check prev_log_info
EXPECT_EQ(base_info_in_leader.prev_log_info_, base_info_after_rebuild.prev_log_info_);
LSN leader_end_lsn, rebuild_server_end_lsn;
leader_end_lsn = leader.palf_handle_impl_->get_end_lsn();
rebuild_server_end_lsn = rebuild_server->palf_handle_impl_->get_end_lsn();
PALF_LOG(INFO, "rebuild result", K(leader_end_lsn), K(rebuild_server_end_lsn));
// EXPECT_EQ(OB_SUCCESS, delete_paxos_group(id));
revert_cluster_palf_handle_guard(palf_list);
PALF_LOG(INFO, "end test follower_rebuild", K(id));
}
} // end unittest
} // end oceanbase
int main(int argc, char **argv)
{
RUN_SIMPLE_LOG_CLUSTER_TEST(TEST_NAME);
}