Re: Re: Idea: recycle WAL segments, don't delete/recreate 'em - Mailing list pgsql-hackers

Checking application/pgp-signature: FAILURE
-- Start of PGP signed section.
> Hi -
> 
> pgman wrote:
> 
> : Most Unix filesystems will not allocate disk blocks until you write in
> : them.  [...]
> 
> Yes, I understand that, but how is it a problem for postgresql?

Uh, I thought we did that so we were not allocating file system blocks
during WAL writes.  Performance is bad when we do that.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
853-3000+  If your life is a hard drive,     |  830 Blythe Avenue +  Christ can be your backup.        |  Drexel Hill,
Pennsylvania19026