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Jay Zhuang a3acf2ef87 Add seqno to time mapping (#10338) 
Summary:
Which will be used for tiered storage to preclude hot data from
compacting to the cold tier (the last level).
Internally, adding seqno to time mapping. A periodic_task is scheduled
to record the current_seqno -> current_time in certain cadence. When
memtable flush, the mapping informaiton is stored in sstable property.
During compaction, the mapping information are merged and get the
approximate time of sequence number, which is used to determine if a key
is recently inserted or not and preclude it from the last level if it's
recently inserted (within the `preclude_last_level_data_seconds`).

Pull Request resolved: https://github.com/facebook/rocksdb/pull/10338

Test Plan: CI

Reviewed By: siying

Differential Revision: D37810187

Pulled By: jay-zhuang

fbshipit-source-id: 6953be7a18a99de8b1cb3b162d712f79c2b4899f
 		2022-07-14 21:49:34 -07:00
..
file_read_sample.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
histogram.cc Fix overflow bug in standard deviation computation. (#10100) 2022-06-06 13:53:47 -07:00
histogram.h improve-histogram-performance: remove valueIndexMap_ (#8625) 2021-10-14 14:45:20 -07:00
histogram_test.cc Fix overflow bug in standard deviation computation. (#10100) 2022-06-06 13:53:47 -07:00
histogram_windowing.cc Add a SystemClock class to capture the time functions of an Env (#7858) 2021-01-25 22:09:11 -08:00
histogram_windowing.h Add a SystemClock class to capture the time functions of an Env (#7858) 2021-01-25 22:09:11 -08:00
in_memory_stats_history.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
in_memory_stats_history.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
instrumented_mutex.cc Use SystemClock* instead of std::shared_ptr<SystemClock> in lower level routines (#8033) 2021-03-15 04:34:11 -07:00
instrumented_mutex.h Remove explicit padding from CacheAlignedInstrumentedMutex (#9809) 2022-04-05 18:32:05 -07:00
iostats_context.cc Remove ROCKSDB_SUPPORT_THREAD_LOCAL define because it's a part of C++11 (#10015) 2022-05-18 15:25:19 -07:00
iostats_context_imp.h Remove ROCKSDB_SUPPORT_THREAD_LOCAL define because it's a part of C++11 (#10015) 2022-05-18 15:25:19 -07:00
iostats_context_test.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
perf_context.cc Add blob cache tickers, perf context statistics, and DB properties (#10203) 2022-06-28 13:52:35 -07:00
perf_context_imp.h Remove ROCKSDB_SUPPORT_THREAD_LOCAL define because it's a part of C++11 (#10015) 2022-05-18 15:25:19 -07:00
perf_level.cc Remove ROCKSDB_SUPPORT_THREAD_LOCAL define because it's a part of C++11 (#10015) 2022-05-18 15:25:19 -07:00
perf_level_imp.h Remove ROCKSDB_SUPPORT_THREAD_LOCAL define because it's a part of C++11 (#10015) 2022-05-18 15:25:19 -07:00
perf_step_timer.h make PerfStepTimer struct smaller by reordering members (#7931) 2021-03-08 21:33:15 -08:00
persistent_stats_history.cc Use std::numeric_limits<> (#9954) 2022-05-05 13:08:21 -07:00
persistent_stats_history.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
statistics.cc Add blob cache tickers, perf context statistics, and DB properties (#10203) 2022-06-28 13:52:35 -07:00
statistics.h Add support for building on s390x platform (#8962) 2021-10-22 10:13:15 -07:00
statistics_test.cc Added a default Name method to Statistics (#8918) 2021-09-17 07:25:43 -07:00
stats_history_test.cc Add seqno to time mapping (#10338) 2022-07-14 21:49:34 -07:00
thread_status_impl.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
thread_status_updater.cc Remove ROCKSDB_SUPPORT_THREAD_LOCAL define because it's a part of C++11 (#10015) 2022-05-18 15:25:19 -07:00
thread_status_updater.h Remove ROCKSDB_SUPPORT_THREAD_LOCAL define because it's a part of C++11 (#10015) 2022-05-18 15:25:19 -07:00
thread_status_updater_debug.cc Replace reinterpret_cast with static_cast_with_check (#7067) 2020-07-02 19:25:41 -07:00
thread_status_util.cc Remove ROCKSDB_SUPPORT_THREAD_LOCAL define because it's a part of C++11 (#10015) 2022-05-18 15:25:19 -07:00
thread_status_util.h Remove ROCKSDB_SUPPORT_THREAD_LOCAL define because it's a part of C++11 (#10015) 2022-05-18 15:25:19 -07:00
thread_status_util_debug.cc Add a SystemClock class to capture the time functions of an Env (#7858) 2021-01-25 22:09:11 -08:00