Kevin Grittner wrote:
> wrote: 
>> We should also document that this is designed to help compress files
>> that aren't full because we switched early because of archive_timeout.
> Attached is a modified version to implement both of these.  I also bailed
> out if there was surplus input.  I tried an optimization of allocating a
> separate buffer for outputting the zeros, to avoid repeated memset calls.
> It didn't seem to make a very big difference; do you think it's worth
> cluttering the code with that?

Would it work to just ftruncate the file?

  Heikki Linnakangas

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