From: Andres Freund <andres@anarazel.de>
To: Mkrtchyan, Tigran <tigran.mkrtchyan@desy.de>
Cc: pgsql-performance <pgsql-performance@postgresql.org>
Subject: Re: 9.5alpha1 vs 9.4
Date: Sun, 5 Jul 2015 14:54:03 +0200
Message-ID: <20150705125403.GD24494@alap3.anarazel.de> (raw)
In-Reply-To: <1897514812.2949286.1436094651680.JavaMail.zimbra@desy.de>
References: <1897514812.2949286.1436094651680.JavaMail.zimbra@desy.de>
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Hi,
On 2015-07-05 13:10:51 +0200, Mkrtchyan, Tigran wrote:
> today I have update my test system to 9.5alpha1.
> Most of the operations are ok, except delete.
> I get ~1000 times slower!
> 255.88 | 566.11 | 452 | DELETE FROM t_inodes WHERE ipnfsid=$1 AND inlink = ?
That certainly should not be the case. Could you show the query plan for
this statement in both versions? Any chance that there's a parameter
type mismatch for $1?
Greetings,
Andres Freund
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To: pgsql-performance@postgresql.org
Cc: andres@anarazel.de, tigran.mkrtchyan@desy.de
Subject: Re: 9.5alpha1 vs 9.4
In-Reply-To: <20150705125403.GD24494@alap3.anarazel.de>
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