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| author | Vladislav Vaintroub <wlad@mariadb.com> | 2017-03-10 19:01:14 +0000 |
|---|---|---|
| committer | Vladislav Vaintroub <wlad@mariadb.com> | 2017-03-10 19:07:07 +0000 |
| commit | 7c512138a19abd4d8e8761b1f0eb2bd8c9809a28 (patch) | |
| tree | 17bc8fdd94f60a79fdffe14371815933f30db8e9 | |
| parent | a20340cf859ba1b10174d4b8ee002d1548bf102c (diff) | |
| download | mariadb-git-7c512138a19abd4d8e8761b1f0eb2bd8c9809a28.tar.gz | |
Revert MySQL commit that disables writing on Windows while flush is in progress
Reason : after running sysbench tests (rw,update_no_index), in all cases
the throughout was considerably (approx 15%) better with the patch removed.
Reverted commit info
commit 8dc03bee3ade2edcc53a3a257346f4a0a9f0b44c
Author: Yasufumi Kinoshita <yasufumi.kinoshita@oracle.com>
Date: Wed Nov 20 17:02:24 2013 +0900
Bug #17824101 : WL#7050 CAUSES RW PERFORMANCE REGRESSION AT SOME WINDOWS ENVIRONMENT
| -rw-r--r-- | storage/innobase/log/log0log.cc | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/storage/innobase/log/log0log.cc b/storage/innobase/log/log0log.cc index 9c96eeec742..1a122b815a6 100644 --- a/storage/innobase/log/log0log.cc +++ b/storage/innobase/log/log0log.cc @@ -1280,16 +1280,6 @@ loop: return; } -#ifdef _WIN32 - /* write requests during fil_flush() might not be good for Windows */ - if (log_sys->n_pending_flushes > 0 - || !os_event_is_set(log_sys->flush_event)) { - log_write_mutex_exit(); - os_event_wait(log_sys->flush_event); - goto loop; - } -#endif /* _WIN32 */ - /* If it is a write call we should just go ahead and do it as we checked that write_lsn is not where we'd like it to be. If we have to flush as well then we check if there is a |