Re: Clean shutdown and warm standby

Simon Riggs wrote:
> On Thu, 2009-05-28 at 14:04 +0300, Heikki Linnakangas wrote:
> 
>> I've committed a patch to do the RequstXLogSwitch() before shutdown 
>> checkpoint as discussed. It seems safe to me. (sorry for the delay, and 
>> thanks for the reminder)
> 
> Not sure if that is a fix that will work in all cases. 
> 
> There is a potential timing problem with when the archiver is shutdown:
> that may now be fixed in 8.4, see what you think.

Can you elaborate?

> Also if archiving is currently stalled, then files will not be
> transferred, even if you switch xlogs. So this is at best a partial fix
> to the problem and the need for a manual check of file contents
> remains. 

Yep. Maybe we should print the filename of the last WAL segment to the 
log at shutdown, so that you can easily check that you have everything 
in the archive.

--   Heikki Linnakangas  EnterpriseDB   http://www.enterprisedb.com