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Fujii Masao 0650ff2303 Add GUC to log long wait times on recovery conflicts. 
This commit adds GUC log_recovery_conflict_waits that controls whether
a log message is produced when the startup process is waiting longer than
deadlock_timeout for recovery conflicts. This is useful in determining
if recovery conflicts prevent the recovery from applying WAL.

Note that currently a log message is produced only when recovery conflict
has not been resolved yet even after deadlock_timeout passes, i.e.,
only when the startup process is still waiting for recovery conflict
even after deadlock_timeout.

Author: Bertrand Drouvot, Masahiko Sawada
Reviewed-by: Alvaro Herrera, Kyotaro Horiguchi, Fujii Masao
Discussion: https://postgr.es/m/9a60178c-a853-1440-2cdc-c3af916cff59@amazon.com
2021-01-08 00:47:03 +09:00
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.gitignore When trace_lwlocks is used, identify individual lwlocks by name. 2015-09-11 14:01:39 -04:00
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proc.h Add idle_session_timeout. 2021-01-06 18:28:52 -05:00
procarray.h Detect the deadlocks between backends and the startup process. 2021-01-06 12:39:18 +09:00
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standby.h Add GUC to log long wait times on recovery conflicts. 2021-01-08 00:47:03 +09:00
standbydefs.h Update copyright for 2021 2021-01-02 13:06:25 -05:00
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