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Remove unused wait events. 

Commit 464824323e introduced the wait events which were neither used by
that commit nor by follow-up commits for that work.

Author: Masahiro Ikeda
Backpatch-through: 14, where it was introduced
Discussion: https://postgr.es/m/ff077840-3ab2-04dd-bbe4-4f5dfd2ad481@oss.nttdata.com
This commit is contained in:
Amit Kapila 2021-10-21 08:01:25 +05:30
parent 98ec35b0bb
commit 1607cd0b6c
3 changed files with 1 additions and 33 deletions
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16
doc/src/sgml/monitoring.sgml
View File

@ -1549,22 +1549,6 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
<entry><literal>WALWrite</literal></entry>
<entry>Waiting for a write to a WAL file.</entry>
</row>
<row>
<entry><literal>LogicalChangesRead</literal></entry>
<entry>Waiting for a read from a logical changes file.</entry>
</row>
<row>
<entry><literal>LogicalChangesWrite</literal></entry>
<entry>Waiting for a write to a logical changes file.</entry>
</row>
<row>
<entry><literal>LogicalSubxactRead</literal></entry>
<entry>Waiting for a read from a logical subxact file.</entry>
</row>
<row>
<entry><literal>LogicalSubxactWrite</literal></entry>
<entry>Waiting for a write to a logical subxact file.</entry>
</row>
</tbody>
</tgroup>
</table>

12
src/backend/utils/activity/wait_event.c
View File

@ -717,18 +717,6 @@ pgstat_get_wait_io(WaitEventIO w)
case WAIT_EVENT_WAL_WRITE:
event_name = "WALWrite";
break;
case WAIT_EVENT_LOGICAL_CHANGES_READ:
event_name = "LogicalChangesRead";
break;
case WAIT_EVENT_LOGICAL_CHANGES_WRITE:
event_name = "LogicalChangesWrite";
break;
case WAIT_EVENT_LOGICAL_SUBXACT_READ:
event_name = "LogicalSubxactRead";
break;
case WAIT_EVENT_LOGICAL_SUBXACT_WRITE:
event_name = "LogicalSubxactWrite";
break;
/* no default case, so that compiler will warn */
}

6
src/include/utils/wait_event.h
View File

@ -221,11 +221,7 @@ typedef enum
WAIT_EVENT_WAL_READ,
WAIT_EVENT_WAL_SYNC,
WAIT_EVENT_WAL_SYNC_METHOD_ASSIGN,
WAIT_EVENT_WAL_WRITE,
WAIT_EVENT_LOGICAL_CHANGES_READ,
WAIT_EVENT_LOGICAL_CHANGES_WRITE,
WAIT_EVENT_LOGICAL_SUBXACT_READ,
WAIT_EVENT_LOGICAL_SUBXACT_WRITE
WAIT_EVENT_WAL_WRITE
} WaitEventIO;