Tatsuo Ishii <ishii(at)sraoss(dot)co(dot)jp> writes:
> If archive_timeout is set to non 0, it seems an archive log segment is
> created every time checkpoint occurs even there's no database
> updation. This leads to creating 16MB log segment files every 5
> minutes (default checkpoint period), which will in turn produce 4.6GB
> log segments with bogus data. Is this normal?
Yeah, that was intentional, see discussion a few weeks ago.
regards, tom lane