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Add wait event for fsync of WAL segments

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This has been visibly a forgotten spot in the first implementation of
wait events for I/O added by 249cf07, and what has been missing is a
fsync call for WAL segments which is a wrapper reacting on the value of
GUC wal_sync_method.

Reported-by: Konstantin Knizhnik
Author: Konstantin Knizhnik
Reviewed-by: Craig Ringer, Michael Paquier
Discussion: https://postgr.es/m/4a243897-0ad8-f471-aa40-242591f2476e@postgrespro.ru
This commit is contained in:
Michael Paquier
2018-07-02 22:19:46 +09:00
parent c072e80337
commit c55de5e512
4 changed files with 10 additions and 0 deletions
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src/include/pgstat.h
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@ -921,6 +921,7 @@ typedef enum
WAIT_EVENT_WAL_INIT_SYNC,
WAIT_EVENT_WAL_INIT_WRITE,
WAIT_EVENT_WAL_READ,
WAIT_EVENT_WAL_SYNC,
WAIT_EVENT_WAL_SYNC_METHOD_ASSIGN,
WAIT_EVENT_WAL_WRITE
} WaitEventIO;