Re: PostgreSQL insights: does it use DMA? - Mailing list pgsql-performance

From Kevin Grittner
Subject Re: PostgreSQL insights: does it use DMA?
Date
Msg-id 4E6A30EC0200002500041075@gw.wicourts.gov
Whole thread Raw
In response to Re: PostgreSQL insights: does it use DMA?  (Antonio Rodriges <antonio.rrz@gmail.com>)
List pgsql-performance
Antonio Rodriges <antonio.rrz@gmail.com> wrote:

> PostgreSQL is implemented mostly in C, so I do not know whether it
> needs to use special procedure calls, however this is true, for
> example, for Java
> http://www.ibm.com/developerworks/library/j-zerocopy/

After scanning that I'm inclined to think that the only place that
zerocopy techniques might make sense is in the context of BLOBs.
That's not currently happening, and not on anyone's radar as far as
I know.

-Kevin

pgsql-performance by date:

Previous
From: pasman pasmański
Date:
Subject: Re: PostgreSQL insights: does it use DMA?
Next
From: Claudio Freire
Date:
Subject: Re: Migrated from 8.3 to 9.0 - need to update config (re-post)