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oceanbase/unittest/storage/test_parallel_minor_dag.cpp

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// Copyright (c) 2019-2021 Alibaba Inc. All Rights Reserved.
// Author:
// lixia.yq@antfin.com
//
#include <gtest/gtest.h>
#define private public
#define protected public
#include "storage/compaction/ob_partition_merge_policy.h"
#include "storage/ob_storage_struct.h"
#include "storage/blocksstable/ob_sstable.h"
#include "share/rc/ob_tenant_base.h"
#include "storage/meta_mem/ob_tenant_meta_mem_mgr.h"
namespace oceanbase
{
using namespace common;
using namespace storage;
using namespace blocksstable;
using namespace compaction;
using namespace omt;
using namespace share;
namespace unittest
{
class TestParallelMinorDag : public ::testing::Test
{
public:
TestParallelMinorDag() : allocator_(ObModIds::TEST), tenant_base_(500) {}
virtual ~TestParallelMinorDag() {}
int prepare_merge_result(const int64_t sstable_cnt, ObGetMergeTablesResult &result);
void SetUp()
{
ObTenantMetaMemMgr *t3m = OB_NEW(ObTenantMetaMemMgr, ObModIds::TEST, 500);
tenant_base_.set(t3m);
ObTenantEnv::set_tenant(&tenant_base_);
ASSERT_EQ(OB_SUCCESS, tenant_base_.init());
ASSERT_EQ(OB_SUCCESS, t3m->init());
}
share::SCN get_start_log_ts(const int64_t idx);
share::SCN get_end_log_ts(const int64_t idx);
void check_result(const int64_t sstable_cnt, const int64_t result_cnt);
static const int64_t TENANT_ID = 1;
static const int64_t TABLE_ID = 7777;
static const int64_t TEST_ROWKEY_COLUMN_CNT = 3;
static const int64_t TEST_COLUMN_CNT = 6;
static const int64_t MAX_SSTABLE_CNT = 60;
common::ObArenaAllocator allocator_;
ObTenantBase tenant_base_;
ObSSTable fake_sstables_[MAX_SSTABLE_CNT];
};
int TestParallelMinorDag::prepare_merge_result(
const int64_t sstable_cnt,
ObGetMergeTablesResult &result)
{
int ret = OB_SUCCESS;
result.reset();
result.version_range_.base_version_ = 50;
result.version_range_.snapshot_version_ = 100;
result.version_range_.multi_version_start_ = 100;
result.merge_version_ = 0;
result.base_schema_version_ = 0;
result.schema_version_ = 0;
result.create_snapshot_version_ = 0;
result.suggest_merge_type_ = MINOR_MERGE;
int64_t log_ts = 1;
for (int i = 0; OB_SUCC(ret) && i < sstable_cnt; ++i) {
fake_sstables_[i].key_.scn_range_.start_scn_.convert_for_tx(log_ts++);
fake_sstables_[i].key_.scn_range_.end_scn_.convert_for_tx(log_ts);
if (OB_FAIL(result.handle_.add_table(&fake_sstables_[i]))) {
COMMON_LOG(WARN, "failed to push table", K(ret), K(i), K(fake_sstables_[i]));
}
}
result.scn_range_.start_scn_ = fake_sstables_[0].key_.scn_range_.start_scn_;
result.scn_range_.end_scn_ = fake_sstables_[sstable_cnt - 1].key_.scn_range_.end_scn_;
return ret;
}
share::SCN TestParallelMinorDag::get_start_log_ts(const int64_t idx)
{
return fake_sstables_[idx].key_.scn_range_.start_scn_;
}
share::SCN TestParallelMinorDag::get_end_log_ts(const int64_t idx)
{
return fake_sstables_[idx].key_.scn_range_.end_scn_;
}
void check_result_valid(const ObGetMergeTablesResult &result)
{
ASSERT_EQ(result.handle_.get_table(0)->get_start_scn(), result.scn_range_.start_scn_);
ASSERT_EQ(result.handle_.get_table(result.handle_.get_count() - 1)->get_end_scn(), result.scn_range_.end_scn_);
}
void TestParallelMinorDag::check_result(const int64_t sstable_cnt, const int64_t result_cnt)
{
ObGetMergeTablesResult result;
ObArray<ObGetMergeTablesResult> result_array;
ObMinorExecuteRangeMgr minor_range_mgr;
ASSERT_EQ(OB_SUCCESS, prepare_merge_result(sstable_cnt, result));
ASSERT_EQ(OB_SUCCESS, ObPartitionMergePolicy::generate_parallel_minor_interval(result, minor_range_mgr, result_array));
COMMON_LOG(INFO, "generate_parallel_minor_interval", K(sstable_cnt), K(result_array));
ASSERT_EQ(result_array.count(), result_cnt);
int idx = 0;
int rest_cnt = sstable_cnt;
const int64_t minor_trigger = ObPartitionMergePolicy::OB_MINOR_PARALLEL_SSTABLE_CNT_IN_DAG / 2;
if (sstable_cnt < ObPartitionMergePolicy::OB_MINOR_PARALLEL_SSTABLE_CNT_TRIGGER) {
ASSERT_EQ(result_array.count(), 1);
ASSERT_EQ(result_array.at(0).handle_.get_count(), sstable_cnt);
} else {
for (int i = 0; i < result_array.count(); ++i) {
check_result_valid(result_array.at(i));
ASSERT_EQ(result_array.at(i).scn_range_.start_scn_, get_start_log_ts(idx));
if (rest_cnt > ObPartitionMergePolicy::OB_MINOR_PARALLEL_SSTABLE_CNT_IN_DAG + minor_trigger
&& sstable_cnt >= minor_trigger) {
ASSERT_EQ(result_array.at(i).handle_.get_count(), ObPartitionMergePolicy::OB_MINOR_PARALLEL_SSTABLE_CNT_IN_DAG);
idx += ObPartitionMergePolicy::OB_MINOR_PARALLEL_SSTABLE_CNT_IN_DAG;
rest_cnt -= ObPartitionMergePolicy::OB_MINOR_PARALLEL_SSTABLE_CNT_IN_DAG;
} else {
ASSERT_EQ(result_array.at(i).handle_.get_count(), rest_cnt);
idx = sstable_cnt;
}
ASSERT_EQ(result_array.at(i).scn_range_.end_scn_, get_end_log_ts(idx - 1));
}
}
}
TEST_F(TestParallelMinorDag, test_parallel_interval)
{
check_result(20, 2);
check_result(19, 1);
check_result(36, 4);
check_result(35, 3);
check_result(32, 3);
check_result(12, 1);
check_result(18, 1);
check_result(22, 2);
check_result(3, 1);
check_result(9, 1);
check_result(40, 4);
}
#define CHECK_IN_RANGE(start_log_ts, end_log_ts, flag) \
fake_sstables_[0].key_.scn_range_.start_scn_.convert_for_tx(start_log_ts); \
fake_sstables_[0].key_.scn_range_.end_scn_.convert_for_tx(end_log_ts); \
ASSERT_EQ(flag, range_mgr.in_execute_range(&fake_sstables_[0]));
ObScnRange construct_scn_range(const int64_t start_scn, const int64_t end_scn)
{
ObScnRange ret_range;
ret_range.start_scn_.convert_for_tx(start_scn);
ret_range.end_scn_.convert_for_tx(end_scn);
return ret_range;
}
TEST_F(TestParallelMinorDag, test_range_mgr)
{
ObMinorExecuteRangeMgr range_mgr;
range_mgr.exe_range_array_.push_back(construct_scn_range(60, 80));
range_mgr.exe_range_array_.push_back(construct_scn_range(50, 70));
ASSERT_EQ(OB_ERR_UNEXPECTED, range_mgr.sort_ranges());
range_mgr.reset();
range_mgr.exe_range_array_.push_back(construct_scn_range(60, 80));
range_mgr.exe_range_array_.push_back(construct_scn_range(10, 20));
range_mgr.exe_range_array_.push_back(construct_scn_range(30, 50));
ASSERT_EQ(OB_SUCCESS, range_mgr.sort_ranges());
COMMON_LOG(INFO, "success to sort ranges", K(range_mgr.exe_range_array_));
CHECK_IN_RANGE(18, 19, true);
CHECK_IN_RANGE(60, 70, true);
CHECK_IN_RANGE(22, 30, false);
CHECK_IN_RANGE(30, 50, true);
range_mgr.reset();
range_mgr.exe_range_array_.push_back(construct_scn_range(10, 20));
range_mgr.exe_range_array_.push_back(construct_scn_range(40, 80));
range_mgr.exe_range_array_.push_back(construct_scn_range(20, 40));
ASSERT_EQ(OB_SUCCESS, range_mgr.sort_ranges());
COMMON_LOG(INFO, "success to sort ranges", K(range_mgr.exe_range_array_));
CHECK_IN_RANGE(18, 19, true);
CHECK_IN_RANGE(60, 70, true);
CHECK_IN_RANGE(22, 30, true);
CHECK_IN_RANGE(30, 50, true);
CHECK_IN_RANGE(80, 85, false);
CHECK_IN_RANGE(30, 65, true);
range_mgr.reset();
range_mgr.exe_range_array_.push_back(construct_scn_range(0, 200));
range_mgr.exe_range_array_.push_back(construct_scn_range(10, 20));
range_mgr.exe_range_array_.push_back(construct_scn_range(40, 80));
range_mgr.exe_range_array_.push_back(construct_scn_range(20, 40));
ASSERT_EQ(OB_SUCCESS, range_mgr.sort_ranges());
CHECK_IN_RANGE(100, 165, true);
}
TEST_F(TestParallelMinorDag, test_parallel_with_range_mgr)
{
int64_t sstable_cnt = 40;
ObGetMergeTablesResult result;
ObArray<ObGetMergeTablesResult> result_array;
ObMinorExecuteRangeMgr minor_range_mgr;
minor_range_mgr.exe_range_array_.push_back(construct_scn_range(11, 21));
minor_range_mgr.exe_range_array_.push_back(construct_scn_range(31, 41));
ASSERT_EQ(OB_SUCCESS, prepare_merge_result(sstable_cnt, result));
ASSERT_EQ(OB_SUCCESS, ObPartitionMergePolicy::generate_parallel_minor_interval(result, minor_range_mgr, result_array));
ASSERT_EQ(result_array.count(), 2);
ASSERT_EQ(result_array.at(0).scn_range_.start_scn_.get_val_for_tx(), 1);
ASSERT_EQ(result_array.at(0).scn_range_.end_scn_.get_val_for_tx(), 11);
ASSERT_EQ(result_array.at(1).scn_range_.start_scn_.get_val_for_tx(), 21);
ASSERT_EQ(result_array.at(1).scn_range_.end_scn_.get_val_for_tx(), 31);
result_array.reset();
minor_range_mgr.reset();
minor_range_mgr.exe_range_array_.push_back(construct_scn_range(15, 19));
minor_range_mgr.exe_range_array_.push_back(construct_scn_range(37, 39));
ASSERT_EQ(OB_SUCCESS, ObPartitionMergePolicy::generate_parallel_minor_interval(result, minor_range_mgr, result_array));
COMMON_LOG(INFO, "generate_parallel_minor_interval", K(result_array));
ASSERT_EQ(result_array.count(), 2);
ASSERT_EQ(result_array.at(0).scn_range_.start_scn_.get_val_for_tx(), 1);
ASSERT_EQ(result_array.at(0).scn_range_.end_scn_.get_val_for_tx(), 15);
ASSERT_EQ(result_array.at(1).scn_range_.start_scn_.get_val_for_tx(), 19);
ASSERT_EQ(result_array.at(1).scn_range_.end_scn_.get_val_for_tx(), 37);
// two runing ranges, candidates need > 8
result_array.reset();
minor_range_mgr.reset();
minor_range_mgr.exe_range_array_.push_back(construct_scn_range(1, 17));
minor_range_mgr.exe_range_array_.push_back(construct_scn_range(18, 34));
ASSERT_EQ(OB_SUCCESS, ObPartitionMergePolicy::generate_parallel_minor_interval(result, minor_range_mgr, result_array));
COMMON_LOG(INFO, "generate_parallel_minor_interval", K(result_array));
ASSERT_EQ(result_array.count(), 0);
result_array.reset();
minor_range_mgr.reset();
minor_range_mgr.exe_range_array_.push_back(construct_scn_range(1, 17));
minor_range_mgr.exe_range_array_.push_back(construct_scn_range(17, 31));
ASSERT_EQ(OB_SUCCESS, ObPartitionMergePolicy::generate_parallel_minor_interval(result, minor_range_mgr, result_array));
COMMON_LOG(INFO, "generate_parallel_minor_interval", K(result_array));
ASSERT_EQ(result_array.count(), 1);
ASSERT_EQ(result_array.at(0).scn_range_.start_scn_.get_val_for_tx(), 31);
ASSERT_EQ(result_array.at(0).scn_range_.end_scn_.get_val_for_tx(), 41);
// one runing ranges, candidates need > 4
result_array.reset();
minor_range_mgr.reset();
minor_range_mgr.exe_range_array_.push_back(construct_scn_range(1, 34));
ASSERT_EQ(OB_SUCCESS, ObPartitionMergePolicy::generate_parallel_minor_interval(result, minor_range_mgr, result_array));
COMMON_LOG(INFO, "generate_parallel_minor_interval", K(result_array));
ASSERT_EQ(result_array.count(), 1);
ASSERT_EQ(result_array.at(0).scn_range_.start_scn_.get_val_for_tx(), 34);
ASSERT_EQ(result_array.at(0).scn_range_.end_scn_.get_val_for_tx(), 41);
}
} // namespace unittest
} // namespace oceanbase
int main(int argc, char **argv)
{
system("rm -rf test_parallel_minor_dag.log*");
OB_LOGGER.set_file_name("test_parallel_minor_dag.log");
OB_LOGGER.set_log_level("INFO");
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}