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rocksdb/table
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Akanksha Mahajan 5ba1b6e549 Cache warming data blocks during flush (#8242) 
Summary:
This PR prepopulates warm/hot data blocks which are already in memory
into block cache at the time of flush. On a flush, the data block that is
in memory (in memtables) get flushed to the device. If using Direct IO,
additional IO is incurred to read this data back into memory again, which
is avoided by enabling newly added option.

 Right now, this is enabled only for flush for data blocks. We plan to
expand this option to cover compactions in the future and for other types
 of blocks.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8242

Test Plan: Add new unit test

Reviewed By: anand1976

Differential Revision: D28521703

Pulled By: akankshamahajan15

fbshipit-source-id: 7219d6958821cedce689a219c3963a6f1a9d5f05
 		2021-06-17 21:56:47 -07:00
..
adaptive Refactor: use TableBuilderOptions to reduce parameter lists (#8240) 2021-04-29 07:00:50 -07:00
block_based Cache warming data blocks during flush (#8242) 2021-06-17 21:56:47 -07:00
cuckoo Make ImmutableOptions struct that inherits from ImmutableCFOptions and ImmutableDBOptions (#8262) 2021-05-05 14:00:17 -07:00
plain Make it possible to apply only a subrange of table property collectors (#8298) 2021-05-17 18:28:39 -07:00
block_fetcher.cc Rename variables in ImmutableCFOptions to avoid conflicts with ImmutableDBOptions (#8227) 2021-04-26 12:43:45 -07:00
block_fetcher.h Make ImmutableOptions struct that inherits from ImmutableCFOptions and ImmutableDBOptions (#8262) 2021-05-05 14:00:17 -07:00
block_fetcher_test.cc Make it possible to apply only a subrange of table property collectors (#8298) 2021-05-17 18:28:39 -07:00
cleanable_test.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
format.cc Make ImmutableOptions struct that inherits from ImmutableCFOptions and ImmutableDBOptions (#8262) 2021-05-05 14:00:17 -07:00
format.h Make ImmutableOptions struct that inherits from ImmutableCFOptions and ImmutableDBOptions (#8262) 2021-05-05 14:00:17 -07:00
get_context.cc Support for Merge in Integrated BlobDB with base values (#8292) 2021-06-10 12:58:37 -07:00
get_context.h Support for Merge in Integrated BlobDB with base values (#8292) 2021-06-10 12:58:37 -07:00
internal_iterator.h Clean up InternalIterator upper bound logic a little bit (#7200) 2020-08-05 10:44:57 -07:00
iter_heap.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
iterator.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
iterator_wrapper.h Redesign block cache pinning API (#7520) 2020-10-11 14:58:24 -07:00
merger_test.cc More Makefile Cleanup (#7097) 2020-07-09 14:35:17 -07:00
merging_iterator.cc Add some simulator cache and block tracer tests to ASSERT_STATUS_CHECKED (#7305) 2020-08-24 16:43:31 -07:00
merging_iterator.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
meta_blocks.cc Add table properties for number of entries added to filters (#8323) 2021-05-21 17:11:32 -07:00
meta_blocks.h Make ImmutableOptions struct that inherits from ImmutableCFOptions and ImmutableDBOptions (#8262) 2021-05-05 14:00:17 -07:00
mock_table.cc Refactor: use TableBuilderOptions to reduce parameter lists (#8240) 2021-04-29 07:00:50 -07:00
mock_table.h Refactor: use TableBuilderOptions to reduce parameter lists (#8240) 2021-04-29 07:00:50 -07:00
multiget_context.h Add initial blob support to batched MultiGet (#7766) 2020-12-14 13:48:22 -08:00
persistent_cache_helper.cc Add more tests to ASSERT_STATUS_CHECKED (#7367) 2020-09-16 15:48:07 -07:00
persistent_cache_helper.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
persistent_cache_options.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
scoped_arena_iterator.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
sst_file_dumper.cc Make it possible to apply only a subrange of table property collectors (#8298) 2021-05-17 18:28:39 -07:00
sst_file_dumper.h Make ImmutableOptions struct that inherits from ImmutableCFOptions and ImmutableDBOptions (#8262) 2021-05-05 14:00:17 -07:00
sst_file_reader.cc Make ImmutableOptions struct that inherits from ImmutableCFOptions and ImmutableDBOptions (#8262) 2021-05-05 14:00:17 -07:00
sst_file_reader_test.cc Add CreateFrom methods to Env/FileSystem (#8174) 2021-06-15 03:43:48 -07:00
sst_file_writer.cc Use DbSessionId as cache key prefix when secondary cache is enabled (#8360) 2021-06-10 11:02:43 -07:00
sst_file_writer_collectors.h Apply `sample_for_compression` to all block-based tables (#8105) 2021-03-25 15:00:45 -07:00
table_builder.h Use DbSessionId as cache key prefix when secondary cache is enabled (#8360) 2021-06-10 11:02:43 -07:00
table_factory.cc Create a Customizable class to load classes and configurations (#6590) 2020-11-11 15:10:41 -08:00
table_properties.cc Add table properties for number of entries added to filters (#8323) 2021-05-21 17:11:32 -07:00
table_properties_internal.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
table_reader.h dedup ReadOptions in iterator hierarchy (#7210) 2020-08-03 15:23:04 -07:00
table_reader_bench.cc Make it possible to apply only a subrange of table property collectors (#8298) 2021-05-17 18:28:39 -07:00
table_reader_caller.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
table_test.cc Increase range for GeneralTableTest.ApproximateOffsetOfCompressed (#8387) 2021-06-15 03:46:30 -07:00
two_level_iterator.cc Redesign block cache pinning API (#7520) 2020-10-11 14:58:24 -07:00
two_level_iterator.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00