Skip site navigation (1) Skip section navigation (2)

Re: Anything to be gained from a 'Postgres Filesystem'?

From: "Matt Clark" <matt(at)ymogen(dot)net>
To: "'Leeuw van der, Tim'" <tim(dot)leeuwvander(at)nl(dot)unisys(dot)com>,<pgsql-performance(at)postgresql(dot)org>
Subject: Re: Anything to be gained from a 'Postgres Filesystem'?
Date: 2004-10-21 08:38:40
Message-ID: 008b01c4b749$5e0862c0$8300a8c0@solent (view raw or flat)
Thread:
Lists: pgsql-performance
> Looking at that list, I got the feeling that you'd want to 
> push that PG-awareness down into the block-io layer as well, 
> then, so as to be able to optimise for (perhaps) conflicting 
> goals depending on what the app does; for the IO system to be 
> able to read the apps mind it needs to have some knowledge of 
> what the app is / needs / wants and I get the impression that 
> this awareness needs to go deeper than the FS only.

That's a fair point, it would need be a kernel patch really, although not
necessarily a very big one, more a case of looking at FDs and if they're
flagged in some way then get the PGfs to do the job instead of/as well as
the normal code path.


In response to

pgsql-performance by date

Next:From: Steinar H. GundersonDate: 2004-10-21 10:27:27
Subject: Re: Anything to be gained from a 'Postgres Filesystem'?
Previous:From: Pierre-Frédéric CaillaudDate: 2004-10-21 08:33:31
Subject: Re: Anything to be gained from a 'Postgres Filesystem'?

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group