Re: [HACKERS] A Better External Sort? - Mailing list pgsql-performance

From Michael Stone
Subject Re: [HACKERS] A Better External Sort?
Date
Msg-id 20051006094934.GB17398@mathom.us
Whole thread Raw
In response to Re: [HACKERS] A Better External Sort?  ("Luke Lonergan" <llonergan@greenplum.com>)
List pgsql-performance
On Wed, Oct 05, 2005 at 04:55:51PM -0700, Luke Lonergan wrote:
>You've proven my point completely.  This process is bottlenecked in the CPU.
>The only way to improve it would be to optimize the system (libc) functions
>like "fread" where it is spending most of it's time.

Or to optimize its IO handling to be more efficient. (E.g., use larger
blocks to reduce the number of syscalls.)

Mike Stone

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