Hi,
On Tue, Jun 2, 2009 at 10:00 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Fujii Masao <masao.fujii@gmail.com> writes:
>> If so, it might be deleted after triggering the warm-standby. But, we cannot
>> remove it because the latest xlog file which is required for normal recovery
>> might exist in it. This is another undesirable scenario. Is this problem?
>
> What recovery? In the problem case you're positing, the slave server
> has executed a checkpoint and come up live. It's never going to be
> interested in the old xlog again.
Yes, the old xlog itself is not used again. But, the *old file* might
be recycled
and used later. The case that I'm looking at is that the symlink to a temporary
area is recycled. Am I missing something?
Regards,
--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center