Re: archive_log command...

On Jun 23, 2006, at 12:42 AM, Bruce Momjian wrote:
> Mario Splivalo wrote:
>> On Wed, 2006-06-21 at 21:30 -0400, Bruce Momjian wrote:
>>> Mario Splivalo wrote:
>>>> Can I force archiving of the WAL files using CHECKPOINT
>>>> statement? My
>>>> checkpoing_segments is set to 32, but still archive_command is
>>>> beeing
>>>> called up only every 45 minutes or so. Is there a way to speed
>>>> this up a
>>>> bit? (I'd love to have it around 10 minutes, so I can have
>>>> almost-live
>>>> backed-up server).
>>>
>>> No, but it is on the TODO list.
>>>
>>
>> So, the only thing I could to is to reduce checkpoint_segments?
>
> No, that doesn't help because a partially-filled WAL file with little
> database activity could be stay unarchived for a long time.

You can however copy the active WAL file at any time, and as many
times as you want. And there's recently been a function added that
will tell you what that exact file is (I think it's only in HEAD, but
I could be wrong).
--
Jim C. Nasby, Sr. Engineering Consultant      jnasby@pervasive.com
Pervasive Software      http://pervasive.com    work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461