rocksdb/env
sdong e3a82bb934 PosixRandomAccessFile::MultiRead() to use I/O uring if supported (#5881)
Summary:
Right now, PosixRandomAccessFile::MultiRead() executes read requests in parallel. In this PR, it leverages I/O Uring library to run it in parallel, even when page cache is enabled. This function will fall back if the kernel version doesn't support it.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5881

Test Plan: Run the unit test on a kernel version supporting it and make sure all tests pass, and run a unit test on kernel version supporting it and see it pass. Before merging, will also run stress test and see it passes.

Differential Revision: D17742266

fbshipit-source-id: e05699c925ac04fdb42379456a4e23e4ebcb803a
2019-12-07 20:55:52 -08:00
..
env.cc Add Env::SanitizeEnvOptions (#5885) 2019-10-14 12:25:00 -07:00
env_basic_test.cc The ObjectRegistry class replaces the Registrar and NewCustomObjects.… (#5293) 2019-07-23 17:13:05 -07:00
env_chroot.cc Apply modernize-use-override (3) 2019-02-19 13:39:49 -08:00
env_chroot.h Change RocksDB License 2017-07-15 16:11:23 -07:00
env_encryption.cc Fix EncryptedEnv assert (#5735) 2019-09-05 17:21:42 -07:00
env_hdfs.cc Fix compilation with USE_HDFS (#5444) 2019-06-18 14:55:59 -07:00
env_posix.cc PosixRandomAccessFile::MultiRead() to use I/O uring if supported (#5881) 2019-12-07 20:55:52 -08:00
env_test.cc Fix block cache ID uniqueness for Windows builds (#5844) 2019-10-11 18:19:31 -07:00
io_posix.cc PosixRandomAccessFile::MultiRead() to use I/O uring if supported (#5881) 2019-12-07 20:55:52 -08:00
io_posix.h PosixRandomAccessFile::MultiRead() to use I/O uring if supported (#5881) 2019-12-07 20:55:52 -08:00
mock_env.cc Use delete to disable automatic generated methods. (#5009) 2019-09-11 18:09:00 -07:00
mock_env.h Update all unique/shared_ptr instances to be qualified with namespace std (#4638) 2018-11-09 11:19:58 -08:00
mock_env_test.cc Move test related files under util/ to test_util/ (#5377) 2019-05-30 11:25:51 -07:00