Re: Enabling Checksums - Mailing list pgsql-hackers

From Simon Riggs
Subject Re: Enabling Checksums
Date
Msg-id CA+U5nMKD2DGfyF2xvNN01eGgd9_SsM_k=4akPkv13gJ90Orm_w@mail.gmail.com
Whole thread Raw
In response to Re: Enabling Checksums  (Greg Smith <greg@2ndQuadrant.com>)
Responses Re: Enabling Checksums  (Heikki Linnakangas <hlinnakangas@vmware.com>)
Re: Enabling Checksums  (Greg Smith <greg@2ndQuadrant.com>)
Re: Enabling Checksums  (Heikki Linnakangas <hlinnakangas@vmware.com>)
List pgsql-hackers
On 3 March 2013 18:24, Greg Smith <greg@2ndquadrant.com> wrote:

> The 16-bit checksum feature seems functional, with two sources of overhead.
> There's some CPU time burned to compute checksums when pages enter the
> system.  And there's extra overhead for WAL logging hint bits.  I'll
> quantify both of those better in another message.

It's crunch time. Do you and Jeff believe this patch should be
committed to Postgres core?

Are there objectors?

-- Simon Riggs                   http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Training & Services



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