mirror of
https://github.com/facebook/rocksdb.git
synced 2024-11-25 14:31:35 +00:00
0836a2b26d
Summary: Context/Summary: as titled Pull Request resolved: https://github.com/facebook/rocksdb/pull/11957 Test Plan: piggyback on existing tests; fixed a failed test due to adding new stats Reviewed By: ajkr, cbi42 Differential Revision: D50294310 Pulled By: hx235 fbshipit-source-id: d99b97ebac41efc1bdeaf9ca7a1debd2927d54cd
674 lines
24 KiB
C++
674 lines
24 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
|
|
// This source code is licensed under both the GPLv2 (found in the
|
|
// COPYING file in the root directory) and Apache 2.0 License
|
|
// (found in the LICENSE.Apache file in the root directory).
|
|
//
|
|
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file. See the AUTHORS file for names of contributors.
|
|
#include "rocksdb/stats_history.h"
|
|
|
|
#include <limits>
|
|
#include <string>
|
|
#include <unordered_map>
|
|
|
|
#include "db/column_family.h"
|
|
#include "db/db_impl/db_impl.h"
|
|
#include "db/db_test_util.h"
|
|
#include "db/periodic_task_scheduler.h"
|
|
#include "monitoring/persistent_stats_history.h"
|
|
#include "options/options_helper.h"
|
|
#include "port/stack_trace.h"
|
|
#include "rocksdb/cache.h"
|
|
#include "rocksdb/convenience.h"
|
|
#include "rocksdb/rate_limiter.h"
|
|
#include "test_util/mock_time_env.h"
|
|
#include "test_util/sync_point.h"
|
|
#include "test_util/testutil.h"
|
|
#include "util/random.h"
|
|
|
|
namespace ROCKSDB_NAMESPACE {
|
|
|
|
class StatsHistoryTest : public DBTestBase {
|
|
public:
|
|
StatsHistoryTest() : DBTestBase("stats_history_test", /*env_do_fsync=*/true) {
|
|
mock_clock_ = std::make_shared<MockSystemClock>(env_->GetSystemClock());
|
|
mock_env_.reset(new CompositeEnvWrapper(env_, mock_clock_));
|
|
}
|
|
|
|
protected:
|
|
std::shared_ptr<MockSystemClock> mock_clock_;
|
|
std::unique_ptr<Env> mock_env_;
|
|
|
|
void SetUp() override {
|
|
mock_clock_->InstallTimedWaitFixCallback();
|
|
SyncPoint::GetInstance()->SetCallBack(
|
|
"DBImpl::StartPeriodicTaskScheduler:Init", [&](void* arg) {
|
|
auto periodic_task_scheduler_ptr =
|
|
reinterpret_cast<PeriodicTaskScheduler*>(arg);
|
|
periodic_task_scheduler_ptr->TEST_OverrideTimer(mock_clock_.get());
|
|
});
|
|
}
|
|
};
|
|
|
|
TEST_F(StatsHistoryTest, RunStatsDumpPeriodSec) {
|
|
constexpr int kPeriodSec = 5;
|
|
Options options;
|
|
options.create_if_missing = true;
|
|
options.stats_dump_period_sec = kPeriodSec;
|
|
options.env = mock_env_.get();
|
|
int counter = 0;
|
|
SyncPoint::GetInstance()->SetCallBack("DBImpl::DumpStats:1",
|
|
[&](void* /*arg*/) { counter++; });
|
|
Reopen(options);
|
|
ASSERT_EQ(5u, dbfull()->GetDBOptions().stats_dump_period_sec);
|
|
|
|
// Wait for the first stats persist to finish, as the initial delay could be
|
|
// different.
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec - 1); });
|
|
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
|
|
ASSERT_GE(counter, 1);
|
|
|
|
// Test cancel job through SetOptions
|
|
ASSERT_OK(dbfull()->SetDBOptions({{"stats_dump_period_sec", "0"}}));
|
|
int old_val = counter;
|
|
for (int i = 1; i < 20; ++i) {
|
|
mock_clock_->MockSleepForSeconds(kPeriodSec);
|
|
}
|
|
ASSERT_EQ(counter, old_val);
|
|
Close();
|
|
}
|
|
|
|
// Test persistent stats background thread scheduling and cancelling
|
|
TEST_F(StatsHistoryTest, StatsPersistScheduling) {
|
|
constexpr int kPeriodSec = 5;
|
|
Options options;
|
|
options.create_if_missing = true;
|
|
options.stats_persist_period_sec = kPeriodSec;
|
|
options.env = mock_env_.get();
|
|
int counter = 0;
|
|
SyncPoint::GetInstance()->SetCallBack("DBImpl::PersistStats:Entry",
|
|
[&](void* /*arg*/) { counter++; });
|
|
Reopen(options);
|
|
ASSERT_EQ(5u, dbfull()->GetDBOptions().stats_persist_period_sec);
|
|
|
|
// Wait for the first stats persist to finish, as the initial delay could be
|
|
// different.
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec - 1); });
|
|
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
|
|
ASSERT_GE(counter, 1);
|
|
|
|
// Test cancel job through SetOptions
|
|
ASSERT_OK(dbfull()->SetDBOptions({{"stats_persist_period_sec", "0"}}));
|
|
int old_val = counter;
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec * 2); });
|
|
ASSERT_EQ(counter, old_val);
|
|
|
|
Close();
|
|
}
|
|
|
|
// Test enabling persistent stats for the first time
|
|
TEST_F(StatsHistoryTest, PersistentStatsFreshInstall) {
|
|
constexpr unsigned int kPeriodSec = 5;
|
|
Options options;
|
|
options.create_if_missing = true;
|
|
options.stats_persist_period_sec = 0;
|
|
options.env = mock_env_.get();
|
|
int counter = 0;
|
|
SyncPoint::GetInstance()->SetCallBack("DBImpl::PersistStats:Entry",
|
|
[&](void* /*arg*/) { counter++; });
|
|
Reopen(options);
|
|
ASSERT_OK(dbfull()->SetDBOptions(
|
|
{{"stats_persist_period_sec", std::to_string(kPeriodSec)}}));
|
|
ASSERT_EQ(kPeriodSec, dbfull()->GetDBOptions().stats_persist_period_sec);
|
|
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
|
|
ASSERT_GE(counter, 1);
|
|
Close();
|
|
}
|
|
|
|
// TODO(Zhongyi): Move persistent stats related tests to a separate file
|
|
TEST_F(StatsHistoryTest, GetStatsHistoryInMemory) {
|
|
constexpr int kPeriodSec = 5;
|
|
Options options;
|
|
options.create_if_missing = true;
|
|
options.stats_persist_period_sec = kPeriodSec;
|
|
options.statistics = CreateDBStatistics();
|
|
options.env = mock_env_.get();
|
|
CreateColumnFamilies({"pikachu"}, options);
|
|
ASSERT_OK(Put("foo", "bar"));
|
|
ReopenWithColumnFamilies({"default", "pikachu"}, options);
|
|
|
|
// make sure the first stats persist to finish
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec - 1); });
|
|
|
|
// Wait for stats persist to finish
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
|
|
|
|
std::unique_ptr<StatsHistoryIterator> stats_iter;
|
|
ASSERT_OK(
|
|
db_->GetStatsHistory(0, mock_clock_->NowSeconds() + 1, &stats_iter));
|
|
ASSERT_TRUE(stats_iter != nullptr);
|
|
// disabled stats snapshots
|
|
ASSERT_OK(dbfull()->SetDBOptions({{"stats_persist_period_sec", "0"}}));
|
|
size_t stats_count = 0;
|
|
for (; stats_iter->Valid(); stats_iter->Next()) {
|
|
auto stats_map = stats_iter->GetStatsMap();
|
|
ASSERT_EQ(stats_iter->GetStatsTime(), mock_clock_->NowSeconds());
|
|
stats_count += stats_map.size();
|
|
}
|
|
ASSERT_GT(stats_count, 0);
|
|
// Wait a bit and verify no more stats are found
|
|
for (int i = 0; i < 10; ++i) {
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(1); });
|
|
}
|
|
ASSERT_OK(db_->GetStatsHistory(0, mock_clock_->NowSeconds(), &stats_iter));
|
|
ASSERT_TRUE(stats_iter != nullptr);
|
|
size_t stats_count_new = 0;
|
|
for (; stats_iter->Valid(); stats_iter->Next()) {
|
|
stats_count_new += stats_iter->GetStatsMap().size();
|
|
}
|
|
ASSERT_EQ(stats_count_new, stats_count);
|
|
Close();
|
|
}
|
|
|
|
TEST_F(StatsHistoryTest, InMemoryStatsHistoryPurging) {
|
|
constexpr int kPeriodSec = 1;
|
|
constexpr int kEstimatedOneSliceSize = 16000;
|
|
|
|
Options options;
|
|
options.create_if_missing = true;
|
|
options.statistics = CreateDBStatistics();
|
|
options.stats_persist_period_sec = kPeriodSec;
|
|
options.env = mock_env_.get();
|
|
|
|
CreateColumnFamilies({"pikachu"}, options);
|
|
ASSERT_OK(Put("foo", "bar"));
|
|
ReopenWithColumnFamilies({"default", "pikachu"}, options);
|
|
// some random operation to populate statistics
|
|
ASSERT_OK(Delete("foo"));
|
|
ASSERT_OK(Put("sol", "sol"));
|
|
ASSERT_OK(Put("epic", "epic"));
|
|
ASSERT_OK(Put("ltd", "ltd"));
|
|
ASSERT_EQ("sol", Get("sol"));
|
|
ASSERT_EQ("epic", Get("epic"));
|
|
ASSERT_EQ("ltd", Get("ltd"));
|
|
Iterator* iterator = db_->NewIterator(ReadOptions());
|
|
for (iterator->SeekToFirst(); iterator->Valid(); iterator->Next()) {
|
|
ASSERT_TRUE(iterator->key() == iterator->value());
|
|
}
|
|
ASSERT_OK(iterator->status());
|
|
delete iterator;
|
|
ASSERT_OK(Flush());
|
|
ASSERT_OK(Delete("sol"));
|
|
ASSERT_OK(db_->CompactRange(CompactRangeOptions(), nullptr, nullptr));
|
|
|
|
// second round of ops
|
|
ASSERT_OK(Put("saigon", "saigon"));
|
|
ASSERT_OK(Put("noodle talk", "noodle talk"));
|
|
ASSERT_OK(Put("ping bistro", "ping bistro"));
|
|
iterator = db_->NewIterator(ReadOptions());
|
|
for (iterator->SeekToFirst(); iterator->Valid(); iterator->Next()) {
|
|
ASSERT_TRUE(iterator->key() == iterator->value());
|
|
}
|
|
ASSERT_OK(iterator->status());
|
|
delete iterator;
|
|
ASSERT_OK(Flush());
|
|
ASSERT_OK(db_->CompactRange(CompactRangeOptions(), nullptr, nullptr));
|
|
|
|
const int kIterations = 10;
|
|
for (int i = 0; i < kIterations; ++i) {
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
|
|
}
|
|
|
|
std::unique_ptr<StatsHistoryIterator> stats_iter;
|
|
ASSERT_OK(
|
|
db_->GetStatsHistory(0, mock_clock_->NowSeconds() + 1, &stats_iter));
|
|
ASSERT_TRUE(stats_iter != nullptr);
|
|
size_t stats_count = 0;
|
|
int slice_count = 0;
|
|
for (; stats_iter->Valid(); stats_iter->Next()) {
|
|
slice_count++;
|
|
auto stats_map = stats_iter->GetStatsMap();
|
|
stats_count += stats_map.size();
|
|
}
|
|
size_t stats_history_size = dbfull()->TEST_EstimateInMemoryStatsHistorySize();
|
|
ASSERT_GE(slice_count, kIterations - 1);
|
|
ASSERT_GE(stats_history_size, kEstimatedOneSliceSize);
|
|
// capping memory cost to roughly one slice's size
|
|
ASSERT_OK(dbfull()->SetDBOptions(
|
|
{{"stats_history_buffer_size", std::to_string(kEstimatedOneSliceSize)}}));
|
|
ASSERT_EQ(kEstimatedOneSliceSize,
|
|
dbfull()->GetDBOptions().stats_history_buffer_size);
|
|
|
|
// Wait for stats persist to finish
|
|
for (int i = 0; i < kIterations; ++i) {
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
|
|
}
|
|
|
|
ASSERT_OK(
|
|
db_->GetStatsHistory(0, mock_clock_->NowSeconds() + 1, &stats_iter));
|
|
ASSERT_TRUE(stats_iter != nullptr);
|
|
size_t stats_count_reopen = 0;
|
|
slice_count = 0;
|
|
for (; stats_iter->Valid(); stats_iter->Next()) {
|
|
slice_count++;
|
|
auto stats_map = stats_iter->GetStatsMap();
|
|
stats_count_reopen += stats_map.size();
|
|
}
|
|
size_t stats_history_size_reopen =
|
|
dbfull()->TEST_EstimateInMemoryStatsHistorySize();
|
|
|
|
// Only one slice can fit under the new stats_history_buffer_size
|
|
//
|
|
// If `slice_count == 0` when new statistics are added, consider increasing
|
|
// `kEstimatedOneSliceSize`
|
|
ASSERT_EQ(slice_count, 1);
|
|
ASSERT_TRUE(stats_history_size_reopen < 16000 &&
|
|
stats_history_size_reopen > 0);
|
|
ASSERT_TRUE(stats_count_reopen < stats_count && stats_count_reopen > 0);
|
|
Close();
|
|
// TODO: may also want to verify stats timestamp to make sure we are purging
|
|
// the correct stats snapshot
|
|
}
|
|
|
|
int countkeys(Iterator* iter) {
|
|
int count = 0;
|
|
for (iter->SeekToFirst(); iter->Valid(); iter->Next()) {
|
|
count++;
|
|
}
|
|
EXPECT_OK(iter->status());
|
|
return count;
|
|
}
|
|
|
|
TEST_F(StatsHistoryTest, GetStatsHistoryFromDisk) {
|
|
constexpr int kPeriodSec = 5;
|
|
Options options;
|
|
options.create_if_missing = true;
|
|
options.stats_persist_period_sec = kPeriodSec;
|
|
options.statistics = CreateDBStatistics();
|
|
options.persist_stats_to_disk = true;
|
|
options.env = mock_env_.get();
|
|
CreateColumnFamilies({"pikachu"}, options);
|
|
ASSERT_OK(Put("foo", "bar"));
|
|
ReopenWithColumnFamilies({"default", "pikachu"}, options);
|
|
ASSERT_EQ(Get("foo"), "bar");
|
|
|
|
// Wait for the first stats persist to finish, as the initial delay could be
|
|
// different.
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec - 1); });
|
|
|
|
// Wait for stats persist to finish
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
|
|
|
|
auto iter =
|
|
db_->NewIterator(ReadOptions(), dbfull()->PersistentStatsColumnFamily());
|
|
int key_count1 = countkeys(iter);
|
|
delete iter;
|
|
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
|
|
iter =
|
|
db_->NewIterator(ReadOptions(), dbfull()->PersistentStatsColumnFamily());
|
|
int key_count2 = countkeys(iter);
|
|
delete iter;
|
|
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
|
|
iter =
|
|
db_->NewIterator(ReadOptions(), dbfull()->PersistentStatsColumnFamily());
|
|
int key_count3 = countkeys(iter);
|
|
delete iter;
|
|
ASSERT_GE(key_count2, key_count1);
|
|
ASSERT_GE(key_count3, key_count2);
|
|
ASSERT_EQ(key_count3 - key_count2, key_count2 - key_count1);
|
|
std::unique_ptr<StatsHistoryIterator> stats_iter;
|
|
ASSERT_OK(
|
|
db_->GetStatsHistory(0, mock_clock_->NowSeconds() + 1, &stats_iter));
|
|
ASSERT_TRUE(stats_iter != nullptr);
|
|
size_t stats_count = 0;
|
|
int slice_count = 0;
|
|
int non_zero_count = 0;
|
|
for (int i = 2; stats_iter->Valid(); stats_iter->Next(), i++) {
|
|
slice_count++;
|
|
auto stats_map = stats_iter->GetStatsMap();
|
|
ASSERT_EQ(stats_iter->GetStatsTime(), kPeriodSec * i - 1);
|
|
for (auto& stat : stats_map) {
|
|
if (stat.second != 0) {
|
|
non_zero_count++;
|
|
}
|
|
}
|
|
stats_count += stats_map.size();
|
|
}
|
|
ASSERT_EQ(slice_count, 3);
|
|
// 2 extra keys for format version
|
|
ASSERT_EQ(stats_count, key_count3 - 2);
|
|
// verify reopen will not cause data loss
|
|
ReopenWithColumnFamilies({"default", "pikachu"}, options);
|
|
ASSERT_OK(
|
|
db_->GetStatsHistory(0, mock_clock_->NowSeconds() + 1, &stats_iter));
|
|
ASSERT_TRUE(stats_iter != nullptr);
|
|
size_t stats_count_reopen = 0;
|
|
int slice_count_reopen = 0;
|
|
int non_zero_count_recover = 0;
|
|
for (; stats_iter->Valid(); stats_iter->Next()) {
|
|
slice_count_reopen++;
|
|
auto stats_map = stats_iter->GetStatsMap();
|
|
for (auto& stat : stats_map) {
|
|
if (stat.second != 0) {
|
|
non_zero_count_recover++;
|
|
}
|
|
}
|
|
stats_count_reopen += stats_map.size();
|
|
}
|
|
|
|
ASSERT_EQ(non_zero_count, non_zero_count_recover);
|
|
ASSERT_EQ(slice_count, slice_count_reopen);
|
|
ASSERT_EQ(stats_count, stats_count_reopen);
|
|
Close();
|
|
}
|
|
|
|
// Test persisted stats matches the value found in options.statistics and
|
|
// the stats value retains after DB reopen
|
|
TEST_F(StatsHistoryTest, PersitentStatsVerifyValue) {
|
|
constexpr int kPeriodSec = 5;
|
|
Options options;
|
|
options.create_if_missing = true;
|
|
options.stats_persist_period_sec = kPeriodSec;
|
|
options.statistics = CreateDBStatistics();
|
|
options.persist_stats_to_disk = true;
|
|
std::map<std::string, uint64_t> stats_map_before;
|
|
ASSERT_TRUE(options.statistics->getTickerMap(&stats_map_before));
|
|
options.env = mock_env_.get();
|
|
CreateColumnFamilies({"pikachu"}, options);
|
|
ASSERT_OK(Put("foo", "bar"));
|
|
ReopenWithColumnFamilies({"default", "pikachu"}, options);
|
|
ASSERT_EQ(Get("foo"), "bar");
|
|
|
|
// Wait for the first stats persist to finish, as the initial delay could be
|
|
// different.
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec - 1); });
|
|
|
|
// Wait for stats persist to finish
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
|
|
auto iter =
|
|
db_->NewIterator(ReadOptions(), dbfull()->PersistentStatsColumnFamily());
|
|
countkeys(iter);
|
|
delete iter;
|
|
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
|
|
iter =
|
|
db_->NewIterator(ReadOptions(), dbfull()->PersistentStatsColumnFamily());
|
|
countkeys(iter);
|
|
delete iter;
|
|
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
|
|
iter =
|
|
db_->NewIterator(ReadOptions(), dbfull()->PersistentStatsColumnFamily());
|
|
countkeys(iter);
|
|
delete iter;
|
|
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
|
|
|
|
std::map<std::string, uint64_t> stats_map_after;
|
|
ASSERT_TRUE(options.statistics->getTickerMap(&stats_map_after));
|
|
std::unique_ptr<StatsHistoryIterator> stats_iter;
|
|
ASSERT_OK(
|
|
db_->GetStatsHistory(0, mock_clock_->NowSeconds() + 1, &stats_iter));
|
|
ASSERT_TRUE(stats_iter != nullptr);
|
|
std::string sample = "rocksdb.num.iterator.deleted";
|
|
uint64_t recovered_value = 0;
|
|
for (int i = 2; stats_iter->Valid(); stats_iter->Next(), ++i) {
|
|
auto stats_map = stats_iter->GetStatsMap();
|
|
ASSERT_EQ(stats_iter->GetStatsTime(), kPeriodSec * i - 1);
|
|
for (const auto& stat : stats_map) {
|
|
if (sample.compare(stat.first) == 0) {
|
|
recovered_value += stat.second;
|
|
}
|
|
}
|
|
}
|
|
ASSERT_EQ(recovered_value, stats_map_after[sample]);
|
|
|
|
// test stats value retains after recovery
|
|
ReopenWithColumnFamilies({"default", "pikachu"}, options);
|
|
ASSERT_OK(
|
|
db_->GetStatsHistory(0, mock_clock_->NowSeconds() + 1, &stats_iter));
|
|
ASSERT_TRUE(stats_iter != nullptr);
|
|
uint64_t new_recovered_value = 0;
|
|
for (int i = 2; stats_iter->Valid(); stats_iter->Next(), i++) {
|
|
auto stats_map = stats_iter->GetStatsMap();
|
|
ASSERT_EQ(stats_iter->GetStatsTime(), kPeriodSec * i - 1);
|
|
for (const auto& stat : stats_map) {
|
|
if (sample.compare(stat.first) == 0) {
|
|
new_recovered_value += stat.second;
|
|
}
|
|
}
|
|
}
|
|
ASSERT_EQ(recovered_value, new_recovered_value);
|
|
|
|
// TODO(Zhongyi): also add test to read raw values from disk and verify
|
|
// correctness
|
|
Close();
|
|
}
|
|
|
|
// TODO(Zhongyi): add test for different format versions
|
|
|
|
TEST_F(StatsHistoryTest, PersistentStatsCreateColumnFamilies) {
|
|
constexpr int kPeriodSec = 5;
|
|
Options options;
|
|
options.create_if_missing = true;
|
|
options.stats_persist_period_sec = kPeriodSec;
|
|
options.statistics = CreateDBStatistics();
|
|
options.persist_stats_to_disk = true;
|
|
options.env = mock_env_.get();
|
|
ASSERT_OK(TryReopen(options));
|
|
CreateColumnFamilies({"one", "two", "three"}, options);
|
|
ASSERT_OK(Put(1, "foo", "bar"));
|
|
ReopenWithColumnFamilies({"default", "one", "two", "three"}, options);
|
|
ASSERT_EQ(Get(2, "foo"), "bar");
|
|
CreateColumnFamilies({"four"}, options);
|
|
ReopenWithColumnFamilies({"default", "one", "two", "three", "four"}, options);
|
|
ASSERT_EQ(Get(2, "foo"), "bar");
|
|
|
|
// make sure the first stats persist to finish
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec - 1); });
|
|
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
|
|
auto iter =
|
|
db_->NewIterator(ReadOptions(), dbfull()->PersistentStatsColumnFamily());
|
|
int key_count = countkeys(iter);
|
|
delete iter;
|
|
ASSERT_GE(key_count, 0);
|
|
uint64_t num_write_wal = 0;
|
|
std::string sample = "rocksdb.write.wal";
|
|
std::unique_ptr<StatsHistoryIterator> stats_iter;
|
|
ASSERT_OK(db_->GetStatsHistory(0, mock_clock_->NowSeconds(), &stats_iter));
|
|
ASSERT_TRUE(stats_iter != nullptr);
|
|
for (; stats_iter->Valid(); stats_iter->Next()) {
|
|
auto stats_map = stats_iter->GetStatsMap();
|
|
for (const auto& stat : stats_map) {
|
|
if (sample.compare(stat.first) == 0) {
|
|
num_write_wal += stat.second;
|
|
}
|
|
}
|
|
}
|
|
stats_iter.reset();
|
|
ASSERT_EQ(num_write_wal, 1);
|
|
|
|
options.persist_stats_to_disk = false;
|
|
ReopenWithColumnFamilies({"default", "one", "two", "three", "four"}, options);
|
|
int cf_count = 0;
|
|
for (auto cfd : *dbfull()->versions_->GetColumnFamilySet()) {
|
|
(void)cfd;
|
|
cf_count++;
|
|
}
|
|
// persistent stats cf will be implicitly opened even if
|
|
// persist_stats_to_disk is false
|
|
ASSERT_EQ(cf_count, 6);
|
|
ASSERT_EQ(Get(2, "foo"), "bar");
|
|
|
|
// attempt to create column family using same name, should fail
|
|
ColumnFamilyOptions cf_opts(options);
|
|
ColumnFamilyHandle* handle;
|
|
ASSERT_NOK(db_->CreateColumnFamily(cf_opts, kPersistentStatsColumnFamilyName,
|
|
&handle));
|
|
|
|
options.persist_stats_to_disk = true;
|
|
ReopenWithColumnFamilies({"default", "one", "two", "three", "four"}, options);
|
|
ASSERT_NOK(db_->CreateColumnFamily(cf_opts, kPersistentStatsColumnFamilyName,
|
|
&handle));
|
|
// verify stats is not affected by prior failed CF creation
|
|
ASSERT_OK(db_->GetStatsHistory(0, mock_clock_->NowSeconds(), &stats_iter));
|
|
ASSERT_TRUE(stats_iter != nullptr);
|
|
num_write_wal = 0;
|
|
for (; stats_iter->Valid(); stats_iter->Next()) {
|
|
auto stats_map = stats_iter->GetStatsMap();
|
|
for (const auto& stat : stats_map) {
|
|
if (sample.compare(stat.first) == 0) {
|
|
num_write_wal += stat.second;
|
|
}
|
|
}
|
|
}
|
|
ASSERT_EQ(num_write_wal, 1);
|
|
|
|
Close();
|
|
Destroy(options);
|
|
}
|
|
|
|
TEST_F(StatsHistoryTest, PersistentStatsReadOnly) {
|
|
ASSERT_OK(Put("bar", "v2"));
|
|
Close();
|
|
|
|
auto options = CurrentOptions();
|
|
options.stats_persist_period_sec = 5;
|
|
options.persist_stats_to_disk = true;
|
|
assert(options.env == env_);
|
|
ASSERT_OK(ReadOnlyReopen(options));
|
|
ASSERT_EQ("v2", Get("bar"));
|
|
Close();
|
|
|
|
// Reopen and flush memtable.
|
|
ASSERT_OK(TryReopen(options));
|
|
ASSERT_OK(Flush());
|
|
Close();
|
|
// Now check keys in read only mode.
|
|
ASSERT_OK(ReadOnlyReopen(options));
|
|
}
|
|
|
|
TEST_F(StatsHistoryTest, ForceManualFlushStatsCF) {
|
|
constexpr int kPeriodSec = 5;
|
|
Options options;
|
|
options.create_if_missing = true;
|
|
options.write_buffer_size = 1024 * 1024 * 10; // 10 Mb
|
|
options.stats_persist_period_sec = kPeriodSec;
|
|
options.statistics = CreateDBStatistics();
|
|
options.persist_stats_to_disk = true;
|
|
options.env = mock_env_.get();
|
|
CreateColumnFamilies({"pikachu"}, options);
|
|
ReopenWithColumnFamilies({"default", "pikachu"}, options);
|
|
|
|
// Wait for the first stats persist to finish, as the initial delay could be
|
|
// different.
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec - 1); });
|
|
|
|
ColumnFamilyData* cfd_default =
|
|
static_cast<ColumnFamilyHandleImpl*>(dbfull()->DefaultColumnFamily())
|
|
->cfd();
|
|
ColumnFamilyData* cfd_stats = static_cast<ColumnFamilyHandleImpl*>(
|
|
dbfull()->PersistentStatsColumnFamily())
|
|
->cfd();
|
|
ColumnFamilyData* cfd_test =
|
|
static_cast<ColumnFamilyHandleImpl*>(handles_[1])->cfd();
|
|
|
|
ASSERT_OK(Put("foo", "v0"));
|
|
ASSERT_OK(Put("bar", "v0"));
|
|
ASSERT_EQ("v0", Get("bar"));
|
|
ASSERT_EQ("v0", Get("foo"));
|
|
ASSERT_OK(Put(1, "Eevee", "v0"));
|
|
ASSERT_EQ("v0", Get(1, "Eevee"));
|
|
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
|
|
// writing to all three cf, flush default cf
|
|
// LogNumbers: default: 16, stats: 10, pikachu: 5
|
|
// Since in recovery process, cfd_stats column is created after WAL is
|
|
// created, synced and MANIFEST is persisted, its log number which depends on
|
|
// logfile_number_ will be different. Since "pikachu" is never flushed, thus
|
|
// its log_number should be the smallest of the three.
|
|
ASSERT_OK(Flush());
|
|
ASSERT_LT(cfd_test->GetLogNumber(), cfd_stats->GetLogNumber());
|
|
ASSERT_LT(cfd_test->GetLogNumber(), cfd_default->GetLogNumber());
|
|
|
|
ASSERT_OK(Put("foo1", "v1"));
|
|
ASSERT_OK(Put("bar1", "v1"));
|
|
ASSERT_EQ("v1", Get("bar1"));
|
|
ASSERT_EQ("v1", Get("foo1"));
|
|
ASSERT_OK(Put(1, "Vaporeon", "v1"));
|
|
ASSERT_EQ("v1", Get(1, "Vaporeon"));
|
|
// writing to default and test cf, flush test cf
|
|
// LogNumbers: default: 14, stats: 16, pikachu: 16
|
|
ASSERT_OK(Flush(1));
|
|
ASSERT_EQ(cfd_stats->GetLogNumber(), cfd_test->GetLogNumber());
|
|
ASSERT_GT(cfd_stats->GetLogNumber(), cfd_default->GetLogNumber());
|
|
|
|
ASSERT_OK(Put("foo2", "v2"));
|
|
ASSERT_OK(Put("bar2", "v2"));
|
|
ASSERT_EQ("v2", Get("bar2"));
|
|
ASSERT_EQ("v2", Get("foo2"));
|
|
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
|
|
// writing to default and stats cf, flushing default cf
|
|
// LogNumbers: default: 19, stats: 19, pikachu: 19
|
|
ASSERT_OK(Flush());
|
|
ASSERT_EQ(cfd_stats->GetLogNumber(), cfd_test->GetLogNumber());
|
|
ASSERT_EQ(cfd_stats->GetLogNumber(), cfd_default->GetLogNumber());
|
|
|
|
ASSERT_OK(Put("foo3", "v3"));
|
|
ASSERT_OK(Put("bar3", "v3"));
|
|
ASSERT_EQ("v3", Get("bar3"));
|
|
ASSERT_EQ("v3", Get("foo3"));
|
|
ASSERT_OK(Put(1, "Jolteon", "v3"));
|
|
ASSERT_EQ("v3", Get(1, "Jolteon"));
|
|
|
|
dbfull()->TEST_WaitForPeriodicTaskRun(
|
|
[&] { mock_clock_->MockSleepForSeconds(kPeriodSec); });
|
|
// writing to all three cf, flushing test cf
|
|
// LogNumbers: default: 19, stats: 19, pikachu: 22
|
|
ASSERT_OK(Flush(1));
|
|
ASSERT_LT(cfd_stats->GetLogNumber(), cfd_test->GetLogNumber());
|
|
ASSERT_EQ(cfd_stats->GetLogNumber(), cfd_default->GetLogNumber());
|
|
Close();
|
|
}
|
|
|
|
} // namespace ROCKSDB_NAMESPACE
|
|
|
|
int main(int argc, char** argv) {
|
|
ROCKSDB_NAMESPACE::port::InstallStackTraceHandler();
|
|
::testing::InitGoogleTest(&argc, argv);
|
|
return RUN_ALL_TESTS();
|
|
}
|