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
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cf_options.cc	Make Comparator into a Customizable Object (#8336)	2021-06-11 06:22:59 -07:00
cf_options.h	Added static methods for simple types to OptionTypeInfo (#8249)	2021-05-11 16:15:47 -07:00
configurable.cc
configurable_helper.h
configurable_test.cc
configurable_test.h
customizable.cc
customizable_helper.h
customizable_test.cc	Add Inner method and support for wrapped Customizable (#8373)	2021-06-17 08:39:36 -07:00
db_options.cc	Add CreateFrom methods to Env/FileSystem (#8174)	2021-06-15 03:43:48 -07:00
db_options.h	Compare memtable insert and flush count (#8288)	2021-05-20 16:07:28 -07:00
options.cc
options_helper.cc	Make Comparator into a Customizable Object (#8336)	2021-06-11 06:22:59 -07:00
options_helper.h	Added static methods for simple types to OptionTypeInfo (#8249)	2021-05-11 16:15:47 -07:00
options_parser.cc
options_parser.h
options_settable_test.cc	Cache warming data blocks during flush (#8242)	2021-06-17 21:56:47 -07:00
options_test.cc	Mark Ribbon filter and optimize_filters_for_memory as production (#8408)	2021-06-17 12:29:16 -07:00