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| author | Thomas Munro | 2023-10-13 03:43:22 +0000 |
|---|---|---|
| committer | Thomas Munro | 2023-10-13 03:43:22 +0000 |
| commit | 0013ba290b6684d095d93517ff2ca1fadf79bdb9 (patch) | |
| tree | 19ee8a4489ce78072a07277260ec30be8bf24be3 /doc/src | |
| parent | 7e1f544827ec843918f189765863269ff3a1c77e (diff) | |
Add wait events for checkpoint delay mechanism.
When MyProc->delayChkptFlags is set to temporarily block phase
transitions in a concurrent checkpoint, the checkpointer enters a
sleep-poll loop to wait for the flag to be cleared. We should show that
as a wait event in the pg_stat_activity view.
Reviewed-by: Robert Haas <robertmhaas@gmail.com>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://postgr.es/m/CA%2BhUKGL7Whi8iwKbzkbn_1fixH3Yy8aAPz7mfq6Hpj7FeJrKMg%40mail.gmail.com
Diffstat (limited to 'doc/src')
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