"Kevin Grittner" <kevin.gritt...@wicourts.gov> writes:
> Tom Lane <t...@sss.pgh.pa.us> wrote:
>> I'm going to go ahead and make this happen, using the arrangement
>>
>> pg_start_backup('label') -> slow checkpoint (backwards compatible)
>> pg_start_backup('label', false) -> slow checkpoint
>> pg_start_backup('label', true) -> immediate checkpoint
> Probably a dumb question, but just to be sure: none of these functions
> will return before the checkpoint is complete, right? (In other
> words, when the function returns, it is safe to begin the base
> backup?)
Correct. The only change here is whether or not to pass the
CHECKPOINT_IMMEDIATE flag to RequestCheckpoint. We do CHECKPOINT_WAIT
in any case.
regards, tom lane
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