Re: [HACKERS] Core team statement on replication in PostgreSQL

Bruce Momjian <bruce@momjian.us> writes:
> Agreed. I realize why we are not zeroing those bytes (for performance),
> but can't we have the archiver zero those bytes before calling the
> 'archive_command'?

The archiver doesn't know any more about where the end-of-data is than
the archive_command does. Moreover, the archiver doesn't know whether
the archive_command cares. I think the separate module is a fine
solution.

It should also be pointed out that the whole thing becomes uninteresting
if we get real-time log shipping implemented. So I see absolutely no
point in spending time integrating pg_clearxlogtail now.

regards, tom lane

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