Add GUC controlling whether to pause recovery if some critical GUCs at replica have smaller value than on primary #501
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MMeent
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Sep 19, 2024
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| { | ||
| {"recovery_pause_on_misconfig", PGC_POSTMASTER, WAL_RECOVERY_TARGET, | ||
| gettext_noop("Pause recovery if values of critical GUCs at replica are smaller than on primary."), | ||
| NULL | ||
| }, | ||
| &recoveryPauseOnMisconfig, | ||
| false, | ||
| NULL, NULL, NULL | ||
| }, | ||
|
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Can we instead expose this GUC in the neon extension under neon.recovery_pause_on_misconfig? Exposing a new, non-standard GUC outside the neon namespace seems wrong to me.
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| if (!recoveryPauseOnMisconfig) | ||
| return; | ||
|
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So, what's our solution here? We don't pause and just continue? We shut down?
added 2 commits
September 23, 2024 18:51
…t replica have smaller value than on primary
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hlinnaka
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Oct 30, 2024
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| ereport(FATAL, | ||
| ereport(recoveryPauseOnMisconfig ? FATAL : WARNING, | ||
| (errcode(ERRCODE_INVALID_PARAMETER_VALUE), | ||
| errmsg("recovery aborted because of insufficient parameter settings"), |
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This is misleading. You print a WARNING that says "recovery aborted", but it is not aborted.
The GUC name is misleading too: if it's 'on', you abort rather than pause here.
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See neondatabase/neon#9023