Re: Reducing Catalog Locking - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Reducing Catalog Locking
Date
Msg-id 29957.1414764148@sss.pgh.pa.us
Whole thread Raw
In response to Re: Reducing Catalog Locking  (Andres Freund <andres@2ndquadrant.com>)
Responses Re: Reducing Catalog Locking
List pgsql-hackers
Andres Freund <andres@2ndquadrant.com> writes:
> On 2014-10-31 09:48:52 -0400, Tom Lane wrote:
>> But more to the point, this seems like optimizing pg_dump startup by
>> adding overhead everywhere else, which doesn't really sound like a
>> great tradeoff to me.

> Well, it'd finally make pg_dump "correct" under concurrent DDL. That's
> quite a worthwile thing.

I lack adequate caffeine at the moment, so explain to me how this adds
any guarantees whatsoever?  It sounded like only a performance
optimization from here.
        regards, tom lane



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