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From Fabrízio de Royes Mello
Subject Time-Delayed Standbys
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Msg-id CAFcNs+oXq5ZPaKARRn3VZGzX+AnTZCaEjR6VmQT_tvoFiqgaSg@mail.gmail.com
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Responses Re: Time-Delayed Standbys
Re: Time-Delayed Standbys
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Hi all,

The attached patch is a continuation of Robert's work [1].

I made some changes:
- use of Latches instead of pg_usleep, so we don't have to wakeup regularly.
- call HandleStartupProcInterrupts() before CheckForStandbyTrigger() because might change the trigger file's location
- compute recoveryUntilDelayTime in XLOG_XACT_COMMIT and XLOG_XACT_COMMIT_COMPACT checks
- don't care about clockdrift because it's an admin problem.

Regards,
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