Re: Is analyze_new_cluster.sh still useful? - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Is analyze_new_cluster.sh still useful?
Date
Msg-id 23528.1403112254@sss.pgh.pa.us
Whole thread Raw
In response to Re: Is analyze_new_cluster.sh still useful?  (Andres Freund <andres@2ndquadrant.com>)
Responses Re: Is analyze_new_cluster.sh still useful?
List pgsql-hackers
Andres Freund <andres@2ndquadrant.com> writes:
> On 2014-06-18 12:51:43 -0400, Tom Lane wrote:
>> Another angle is that some folks might have tried to automate things
>> even more, with a wrapper script that starts up the new postmaster
>> and runs analyze_new_cluster.sh all by itself.  I guess they could
>> make the wrapper do "vacuumdb --all --analyze-in-stages" directly,
>> though, so maybe that's not a fatal objection either.

> Wouldn't that be quite counterproductive? The reason we don't normally
> do that and why --analyze-in-stages exists is that the cluster should be
> started up as fast as possible. Restarting it after ANALYZE went through
> would be defeating that purpose, no?

How so?  Once you've started the postmaster, you're open for business,
no?
        regards, tom lane



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