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Re: gistVacuumUpdate

From: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
To: YAMAMOTO Takashi <yamt(at)mwd(dot)biglobe(dot)ne(dot)jp>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: gistVacuumUpdate
Date: 2012-01-20 22:53:45
Message-ID: 4F19F079.6010304@enterprisedb.com (view raw or flat)
Thread:
Lists: pgsql-hackers
On 18.01.2012 23:38, YAMAMOTO Takashi wrote:
> i'm wondering because what gistVacuumUpdate used to do does not seem to
> be necessarily tied to the old-style VACUUM FULL.
> currently, no one will re-union keys after tuple removals, right?

Right. I believe gistVacuumUpdate needed an AccessExclusiveLock, so now 
that VACUUM FULL is gone, there is no good moment to do it.

-- 
   Heikki Linnakangas
   EnterpriseDB   http://www.enterprisedb.com

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