Re: Old pg_xlog files - Mailing list pgsql-general

From Tass Chapman
Subject Re: Old pg_xlog files
Date
Msg-id ec9575e80603221347j6294cf1ge4e94147c04e3584@mail.gmail.com
Whole thread Raw
In response to Re: Old pg_xlog files  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: Old pg_xlog files  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-general
Thanks all. It is finally begining to reuse them.
 
Any suggestions on what I can look at to see why the checkpoint was so far outstanding and why it hung on in a Zombie state when we tried a soft boot?

 
On 3/22/06, Tom Lane <tgl@sss.pgh.pa.us> wrote:
Vivek Khera <vivek@khera.org> writes:
> On Mar 22, 2006, at 1:37 PM, Tass Chapman wrote:
>> Checkpoints appear to be up to date (via pg_controldata), but the
>> pg_xlog directory has 95 files, of which 90 are dated before
>> midnight yesterday or earlier.
>>
>> Can I just delete them safely? Or is there some recovery method I
>> can do?

> no, do not delete them.  they will eventually be re-used.  check back
> in a few days and see how old the various files are...

If there are more than about 2*checkpoint_segments of them, the extras
will be removed by the next successful checkpoint.  So there's really no
reason to touch them manually.

                       regards, tom lane

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