From: | Jeff Davis <pgsql(at)j-davis(dot)com> |
---|---|
To: | josh(at)agliodbs(dot)com |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Synchronized Scan update |
Date: | 2007-03-03 00:25:18 |
Message-ID: | 1172881518.13722.237.camel@dogma.v10.wvs |
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Thread: | |
Lists: | pgsql-hackers |
On Fri, 2007-03-02 at 15:49 -0800, Josh Berkus wrote:
> Jeff,
>
> > Right now they are just constants defined in a header, but a GUC might
> > make sense. I'd like to know which version is more acceptable when I
> > submit my final patch.
>
> As much as I hate the thought of more GUCs, until we have a solid
> performance profile for synch scan we probably need them. You should
I will include them in the final patch then.
> include the option to turn synch_scan off, such as by setting
> synch_scan_threshold to -1.
Naturally.
> Oh, and remember that these now need to be able to take K/MB/GB.
Will do.
> These options should probably go in postgresql.conf under QUERY TUNING,
> with their own sub-head.
That makes sense to me.
Regards,
Jeff Davis
PS: Did you happen to get my patch for testing (sent off-list)? If
testing will take a while, that's OK, I'd just like to know whether to
expect the results before feature freeze.
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