mirror of https://github.com/facebook/rocksdb.git
230 lines
7.4 KiB
C++
230 lines
7.4 KiB
C++
// Copyright (c) Meta Platforms, Inc. and affiliates.
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//
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#include "db/periodic_task_scheduler.h"
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#include "db/db_test_util.h"
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#include "env/composite_env_wrapper.h"
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#include "test_util/mock_time_env.h"
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namespace ROCKSDB_NAMESPACE {
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class PeriodicTaskSchedulerTest : public DBTestBase {
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public:
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PeriodicTaskSchedulerTest()
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: DBTestBase("periodic_task_scheduler_test", /*env_do_fsync=*/true) {
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mock_clock_ = std::make_shared<MockSystemClock>(env_->GetSystemClock());
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mock_env_.reset(new CompositeEnvWrapper(env_, mock_clock_));
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}
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protected:
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std::unique_ptr<Env> mock_env_;
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std::shared_ptr<MockSystemClock> mock_clock_;
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void SetUp() override {
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mock_clock_->InstallTimedWaitFixCallback();
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SyncPoint::GetInstance()->SetCallBack(
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"DBImpl::StartPeriodicTaskScheduler:Init", [&](void* arg) {
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auto periodic_task_scheduler_ptr =
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static_cast<PeriodicTaskScheduler*>(arg);
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periodic_task_scheduler_ptr->TEST_OverrideTimer(mock_clock_.get());
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});
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}
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};
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TEST_F(PeriodicTaskSchedulerTest, Basic) {
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constexpr unsigned int kPeriodSec = 10;
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Close();
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Options options;
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options.stats_dump_period_sec = kPeriodSec;
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options.stats_persist_period_sec = kPeriodSec;
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options.create_if_missing = true;
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options.env = mock_env_.get();
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int dump_st_counter = 0;
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SyncPoint::GetInstance()->SetCallBack("DBImpl::DumpStats:StartRunning",
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[&](void*) { dump_st_counter++; });
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int pst_st_counter = 0;
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SyncPoint::GetInstance()->SetCallBack("DBImpl::PersistStats:StartRunning",
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[&](void*) { pst_st_counter++; });
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int flush_info_log_counter = 0;
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SyncPoint::GetInstance()->SetCallBack(
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"DBImpl::FlushInfoLog:StartRunning",
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[&](void*) { flush_info_log_counter++; });
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SyncPoint::GetInstance()->EnableProcessing();
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Reopen(options);
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ASSERT_EQ(kPeriodSec, dbfull()->GetDBOptions().stats_dump_period_sec);
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ASSERT_EQ(kPeriodSec, dbfull()->GetDBOptions().stats_persist_period_sec);
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ASSERT_GT(kPeriodSec, 1u);
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dbfull()->TEST_WaitForPeriodicTaskRun([&] {
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mock_clock_->MockSleepForSeconds(static_cast<int>(kPeriodSec) - 1);
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});
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const PeriodicTaskScheduler& scheduler =
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dbfull()->TEST_GetPeriodicTaskScheduler();
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ASSERT_EQ(3, scheduler.TEST_GetValidTaskNum());
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ASSERT_EQ(1, dump_st_counter);
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ASSERT_EQ(1, pst_st_counter);
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ASSERT_EQ(1, flush_info_log_counter);
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dbfull()->TEST_WaitForPeriodicTaskRun(
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[&] { mock_clock_->MockSleepForSeconds(static_cast<int>(kPeriodSec)); });
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ASSERT_EQ(2, dump_st_counter);
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ASSERT_EQ(2, pst_st_counter);
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ASSERT_EQ(2, flush_info_log_counter);
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dbfull()->TEST_WaitForPeriodicTaskRun(
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[&] { mock_clock_->MockSleepForSeconds(static_cast<int>(kPeriodSec)); });
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ASSERT_EQ(3, dump_st_counter);
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ASSERT_EQ(3, pst_st_counter);
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ASSERT_EQ(3, flush_info_log_counter);
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// Disable scheduler with SetOption
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ASSERT_OK(dbfull()->SetDBOptions(
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{{"stats_dump_period_sec", "0"}, {"stats_persist_period_sec", "0"}}));
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ASSERT_EQ(0u, dbfull()->GetDBOptions().stats_dump_period_sec);
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ASSERT_EQ(0u, dbfull()->GetDBOptions().stats_persist_period_sec);
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// Info log flush should still run.
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dbfull()->TEST_WaitForPeriodicTaskRun(
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[&] { mock_clock_->MockSleepForSeconds(static_cast<int>(kPeriodSec)); });
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ASSERT_EQ(3, dump_st_counter);
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ASSERT_EQ(3, pst_st_counter);
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ASSERT_EQ(4, flush_info_log_counter);
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ASSERT_EQ(1u, scheduler.TEST_GetValidTaskNum());
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// Re-enable one task
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ASSERT_OK(dbfull()->SetDBOptions({{"stats_dump_period_sec", "5"}}));
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ASSERT_EQ(5u, dbfull()->GetDBOptions().stats_dump_period_sec);
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ASSERT_EQ(0u, dbfull()->GetDBOptions().stats_persist_period_sec);
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ASSERT_EQ(2, scheduler.TEST_GetValidTaskNum());
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dbfull()->TEST_WaitForPeriodicTaskRun(
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[&] { mock_clock_->MockSleepForSeconds(static_cast<int>(kPeriodSec)); });
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ASSERT_EQ(4, dump_st_counter);
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ASSERT_EQ(3, pst_st_counter);
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ASSERT_EQ(5, flush_info_log_counter);
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Close();
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}
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TEST_F(PeriodicTaskSchedulerTest, MultiInstances) {
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constexpr int kPeriodSec = 5;
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const int kInstanceNum = 10;
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Close();
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Options options;
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options.stats_dump_period_sec = kPeriodSec;
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options.stats_persist_period_sec = kPeriodSec;
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options.create_if_missing = true;
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options.env = mock_env_.get();
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int dump_st_counter = 0;
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SyncPoint::GetInstance()->SetCallBack("DBImpl::DumpStats:2",
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[&](void*) { dump_st_counter++; });
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int pst_st_counter = 0;
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SyncPoint::GetInstance()->SetCallBack("DBImpl::PersistStats:StartRunning",
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[&](void*) { pst_st_counter++; });
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SyncPoint::GetInstance()->EnableProcessing();
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auto dbs = std::vector<DB*>(kInstanceNum);
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for (int i = 0; i < kInstanceNum; i++) {
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ASSERT_OK(
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DB::Open(options, test::PerThreadDBPath(std::to_string(i)), &(dbs[i])));
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}
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auto dbi = static_cast_with_check<DBImpl>(dbs[kInstanceNum - 1]);
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const PeriodicTaskScheduler& scheduler = dbi->TEST_GetPeriodicTaskScheduler();
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ASSERT_EQ(kInstanceNum * 3, scheduler.TEST_GetValidTaskNum());
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int expected_run = kInstanceNum;
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dbi->TEST_WaitForPeriodicTaskRun(
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[&] { mock_clock_->MockSleepForSeconds(kPeriodSec - 1); });
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ASSERT_EQ(expected_run, dump_st_counter);
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ASSERT_EQ(expected_run, pst_st_counter);
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expected_run += kInstanceNum;
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dbi->TEST_WaitForPeriodicTaskRun(
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[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
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ASSERT_EQ(expected_run, dump_st_counter);
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ASSERT_EQ(expected_run, pst_st_counter);
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expected_run += kInstanceNum;
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dbi->TEST_WaitForPeriodicTaskRun(
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[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
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ASSERT_EQ(expected_run, dump_st_counter);
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ASSERT_EQ(expected_run, pst_st_counter);
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int half = kInstanceNum / 2;
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for (int i = 0; i < half; i++) {
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delete dbs[i];
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}
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expected_run += (kInstanceNum - half) * 2;
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dbi->TEST_WaitForPeriodicTaskRun(
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[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
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dbi->TEST_WaitForPeriodicTaskRun(
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[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
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ASSERT_EQ(expected_run, dump_st_counter);
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ASSERT_EQ(expected_run, pst_st_counter);
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for (int i = half; i < kInstanceNum; i++) {
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ASSERT_OK(dbs[i]->Close());
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delete dbs[i];
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}
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}
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TEST_F(PeriodicTaskSchedulerTest, MultiEnv) {
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constexpr int kDumpPeriodSec = 5;
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constexpr int kPersistPeriodSec = 10;
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Close();
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Options options1;
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options1.stats_dump_period_sec = kDumpPeriodSec;
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options1.stats_persist_period_sec = kPersistPeriodSec;
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options1.create_if_missing = true;
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options1.env = mock_env_.get();
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Reopen(options1);
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std::unique_ptr<Env> mock_env2(
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new CompositeEnvWrapper(Env::Default(), mock_clock_));
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Options options2;
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options2.stats_dump_period_sec = kDumpPeriodSec;
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options2.stats_persist_period_sec = kPersistPeriodSec;
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options2.create_if_missing = true;
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options1.env = mock_env2.get();
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std::string dbname = test::PerThreadDBPath("multi_env_test");
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DB* db;
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ASSERT_OK(DB::Open(options2, dbname, &db));
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ASSERT_OK(db->Close());
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delete db;
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Close();
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}
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} // namespace ROCKSDB_NAMESPACE
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int main(int argc, char** argv) {
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ROCKSDB_NAMESPACE::port::InstallStackTraceHandler();
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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