Summary: I'm going to add more DB tests for statistics as currently we have very few. I started a file dedicated to this purpose and moved the existing stats-specific tests there. Closes https://github.com/facebook/rocksdb/pull/2211 Differential Revision: D4951558 Pulled By: ajkr fbshipit-source-id: 05d11c35079c40ecabdfd2cf5556ccb761f694a4main
Andrew Kryczka
8 years ago
committed by
Facebook Github Bot
parent
7eddecce12
commit
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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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#include <string> |
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#include "db/db_test_util.h" |
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#include "monitoring/thread_status_util.h" |
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#include "port/stack_trace.h" |
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#include "rocksdb/statistics.h" |
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namespace rocksdb { |
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class DBStatisticsTest : public DBTestBase { |
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public: |
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DBStatisticsTest() : DBTestBase("/db_statistics_test") {} |
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}; |
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TEST_F(DBStatisticsTest, CompressionStatsTest) { |
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CompressionType type; |
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if (Snappy_Supported()) { |
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type = kSnappyCompression; |
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fprintf(stderr, "using snappy\n"); |
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} else if (Zlib_Supported()) { |
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type = kZlibCompression; |
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fprintf(stderr, "using zlib\n"); |
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} else if (BZip2_Supported()) { |
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type = kBZip2Compression; |
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fprintf(stderr, "using bzip2\n"); |
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} else if (LZ4_Supported()) { |
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type = kLZ4Compression; |
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fprintf(stderr, "using lz4\n"); |
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} else if (XPRESS_Supported()) { |
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type = kXpressCompression; |
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fprintf(stderr, "using xpress\n"); |
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} else if (ZSTD_Supported()) { |
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type = kZSTD; |
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fprintf(stderr, "using ZSTD\n"); |
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} else { |
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fprintf(stderr, "skipping test, compression disabled\n"); |
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return; |
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} |
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Options options = CurrentOptions(); |
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options.compression = type; |
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options.statistics = rocksdb::CreateDBStatistics(); |
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options.statistics->stats_level_ = StatsLevel::kExceptTimeForMutex; |
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DestroyAndReopen(options); |
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int kNumKeysWritten = 100000; |
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// Check that compressions occur and are counted when compression is turned on
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Random rnd(301); |
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for (int i = 0; i < kNumKeysWritten; ++i) { |
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// compressible string
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ASSERT_OK(Put(Key(i), RandomString(&rnd, 128) + std::string(128, 'a'))); |
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} |
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ASSERT_OK(Flush()); |
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ASSERT_GT(options.statistics->getTickerCount(NUMBER_BLOCK_COMPRESSED), 0); |
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for (int i = 0; i < kNumKeysWritten; ++i) { |
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auto r = Get(Key(i)); |
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} |
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ASSERT_GT(options.statistics->getTickerCount(NUMBER_BLOCK_DECOMPRESSED), 0); |
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options.compression = kNoCompression; |
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DestroyAndReopen(options); |
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uint64_t currentCompressions = |
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options.statistics->getTickerCount(NUMBER_BLOCK_COMPRESSED); |
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uint64_t currentDecompressions = |
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options.statistics->getTickerCount(NUMBER_BLOCK_DECOMPRESSED); |
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// Check that compressions do not occur when turned off
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for (int i = 0; i < kNumKeysWritten; ++i) { |
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// compressible string
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ASSERT_OK(Put(Key(i), RandomString(&rnd, 128) + std::string(128, 'a'))); |
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} |
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ASSERT_OK(Flush()); |
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ASSERT_EQ(options.statistics->getTickerCount(NUMBER_BLOCK_COMPRESSED) |
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- currentCompressions, 0); |
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for (int i = 0; i < kNumKeysWritten; ++i) { |
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auto r = Get(Key(i)); |
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} |
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ASSERT_EQ(options.statistics->getTickerCount(NUMBER_BLOCK_DECOMPRESSED) |
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- currentDecompressions, 0); |
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} |
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TEST_F(DBStatisticsTest, MutexWaitStatsDisabledByDefault) { |
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Options options = CurrentOptions(); |
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options.create_if_missing = true; |
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options.statistics = rocksdb::CreateDBStatistics(); |
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CreateAndReopenWithCF({"pikachu"}, options); |
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const uint64_t kMutexWaitDelay = 100; |
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ThreadStatusUtil::TEST_SetStateDelay(ThreadStatus::STATE_MUTEX_WAIT, |
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kMutexWaitDelay); |
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ASSERT_OK(Put("hello", "rocksdb")); |
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ASSERT_EQ(TestGetTickerCount(options, DB_MUTEX_WAIT_MICROS), 0); |
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ThreadStatusUtil::TEST_SetStateDelay(ThreadStatus::STATE_MUTEX_WAIT, 0); |
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} |
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TEST_F(DBStatisticsTest, MutexWaitStats) { |
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Options options = CurrentOptions(); |
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options.create_if_missing = true; |
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options.statistics = rocksdb::CreateDBStatistics(); |
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options.statistics->stats_level_ = StatsLevel::kAll; |
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CreateAndReopenWithCF({"pikachu"}, options); |
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const uint64_t kMutexWaitDelay = 100; |
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ThreadStatusUtil::TEST_SetStateDelay(ThreadStatus::STATE_MUTEX_WAIT, |
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kMutexWaitDelay); |
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ASSERT_OK(Put("hello", "rocksdb")); |
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ASSERT_GE(TestGetTickerCount(options, DB_MUTEX_WAIT_MICROS), kMutexWaitDelay); |
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ThreadStatusUtil::TEST_SetStateDelay(ThreadStatus::STATE_MUTEX_WAIT, 0); |
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} |
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} // namespace rocksdb
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int main(int argc, char** argv) { |
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rocksdb::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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