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Add a new wait state and use it when sending data in the apply worker.

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d9d7fe68d3 made use of an existing wait event when sending data from the
apply worker, but we should have invented a new wait event since this is a
new place to wait.

This patch corrects the mistake by using a new wait event
"LogicalApplySendData".

Author: Hou Zhijie
Reviewed-by: Peter Smith
Discussion: https://postgr.es/m/CA+TgmobWzbr9H3yN3dLVckviEZKemPwd+XyCFKEgyZQZhgP66Q@mail.gmail.com
This commit is contained in:
Amit Kapila
2023-02-16 07:46:31 +05:30
parent 1b43743f11
commit fce003cfde
4 changed files with 11 additions and 1 deletions
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3
src/backend/replication/logical/applyparallelworker.c
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@ -1181,7 +1181,8 @@ pa_send_data(ParallelApplyWorkerInfo *winfo, Size nbytes, const void *data)
/* Wait before retrying. */
rc = WaitLatch(MyLatch,
WL_LATCH_SET | WL_TIMEOUT | WL_EXIT_ON_PM_DEATH,
SHM_SEND_RETRY_INTERVAL_MS, WAIT_EVENT_MQ_SEND);
SHM_SEND_RETRY_INTERVAL_MS,
WAIT_EVENT_LOGICAL_APPLY_SEND_DATA);
if (rc & WL_LATCH_SET)
{