Andres Freund <and...@anarazel.de> writes:
> On Wednesday 17 November 2010 00:31:34 Tom Lane wrote:
>> Well, we're not going to increase the default to gigabytes
> Especially not as I don't think it will have any effect after
> wal_segment_size
> as that will force a write-out anyway. Or am I misremembering the
> implementation?
Well, there's a forced fsync after writing the last page of an xlog
file, but I don't believe that proves that more than 16MB of xlog
buffers is useless. Other processes could still be busy filling the
buffers.
regards, tom lane
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