diff options
| author | Thomas Munro <tmunro@postgresql.org> | 2022-07-14 22:52:13 +1200 |
|---|---|---|
| committer | Thomas Munro <tmunro@postgresql.org> | 2022-07-14 23:56:28 +1200 |
| commit | 7bae3bbf62d63cdd49ae4ca4a851cef0cdbe6ab5 (patch) | |
| tree | 943579628b9baf14f82a468cf34c55e47d4891d6 /doc | |
| parent | 712704d3539e5ed6807e0b46fddaaf8ed47c2403 (diff) | |
Create a distinct wait event for POSIX DSM allocation.
Previously we displayed "DSMFillZeroWrite" while in posix_fallocate(),
because we shared the same wait event for "mmap" and "posix" DSM types.
Let's introduce a new wait event "DSMAllocate", to be more accurate.
Reported-by: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/20220711174518.yldckniicknsxgzl%40awork3.anarazel.de
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/src/sgml/monitoring.sgml | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml index 4549c2560e3..f2066e5f0f5 100644 --- a/doc/src/sgml/monitoring.sgml +++ b/doc/src/sgml/monitoring.sgml @@ -1297,6 +1297,11 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <entry>Waiting for a write during a file copy operation.</entry> </row> <row> + <entry><literal>DSMAllocate</literal></entry> + <entry>Waiting for a dynamic shared memory segment to be + allocated.</entry> + </row> + <row> <entry><literal>DSMFillZeroWrite</literal></entry> <entry>Waiting to fill a dynamic shared memory backing file with zeroes.</entry> |