fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph

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Yanqin Jin ab202e8d72 Add a new stats level to exclude tickers (#7329) ... Summary: Currently, application may pass a statistics object to db but later wants to reduce stats tracking overhead by setting stats level to kExceptHistogramOrTimers (the current lowest level). Tickers will still be incremented, causing up to 1% CPU. We can add a new lowest stats level `kExceptTickers` to disable ticker incrementing as well, thus reducing CPU cycles spent on tickers. Test Plan (devserver): ``` make check make clean DEBUG_LEVEL=0 make db_bench ./db_bench -perf_level=1 -stats_level=0 -statistics -benchmarks=fillseq,readrandom -duration=120 ``` Measure CPU util (%) before and after change: CPU util by rocksdb::RecordTick: 1.1 vs (<0.1) Pull Request resolved: https://github.com/facebook/rocksdb/pull/7329 Reviewed By: pdillinger Differential Revision: D23434014 Pulled By: riversand963 fbshipit-source-id: 72ff0f02a192ac476d4b0044b9f37fd4a22ff0d4		4 years ago
..
file_read_sample.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
histogram.cc	Fix FilterBench when RTTI=0 (#6732)	4 years ago
histogram.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
histogram_test.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
histogram_windowing.cc	Fix FilterBench when RTTI=0 (#6732)	4 years ago
histogram_windowing.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
in_memory_stats_history.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
in_memory_stats_history.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
instrumented_mutex.cc	fix compiler errors with -DNPERF_CONTEXT (#6642)	4 years ago
instrumented_mutex.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
iostats_context.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
iostats_context_imp.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
iostats_context_test.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
perf_context.cc	fix compiler errors with -DNPERF_CONTEXT (#6642)	4 years ago
perf_context_imp.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
perf_level.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
perf_level_imp.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
perf_step_timer.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
persistent_stats_history.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
persistent_stats_history.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
statistics.cc	Add a new stats level to exclude tickers (#7329)	4 years ago
statistics.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
statistics_test.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
stats_dump_scheduler.cc	Add EnvTestWithParam::OptionsTest to the ASSERT_STATUS_CHECKED passes (#7283)	4 years ago
stats_dump_scheduler.h	Introduce a global StatsDumpScheduler for stats dumping (#7223)	4 years ago
stats_dump_scheduler_test.cc	Add test function MockTimeEnv.SleepForMicroseconds() (#7293)	4 years ago
stats_history_test.cc	Add test function MockTimeEnv.SleepForMicroseconds() (#7293)	4 years ago
thread_status_impl.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
thread_status_updater.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
thread_status_updater.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
thread_status_updater_debug.cc	Replace reinterpret_cast with static_cast_with_check (#7067)	4 years ago
thread_status_util.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
thread_status_util.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago
thread_status_util_debug.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	4 years ago