From: Jim Nasby <Jim.Nasby@BlueTreble.com>
To: pinker <pinker@onet.eu>
To: pgsql-performance@postgresql.org
Subject: Re: Big data INSERT optimization - ExclusiveLock on extension of the table
Date: Thu, 18 Aug 2016 16:50:39 -0500
Message-ID: <0805fb3c-ed48-bece-690c-5e60c7b40e65@BlueTreble.com> (raw)
In-Reply-To: <1471434303741-5916781.post@n5.nabble.com>
References: <1471434303741-5916781.post@n5.nabble.com>
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On 8/17/16 6:45 AM, pinker wrote:
> 1. rename table t01 to t02
OK...
> 2. insert into t02 1M rows in chunks for about 100k
Why not just insert into t01??
> 3. from t01 (previously loaded table) insert data through stored procedure
But you renamed t01 so it no longer exists???
> to b01 - this happens parallel in over a dozen sessions
b01?
> 4. truncate t01
Huh??
--
Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Experts in Analytics, Data Architecture and PostgreSQL
Data in Trouble? Get it in Treble! http://BlueTreble.com
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To: pgsql-performance@postgresql.org
Cc: Jim.Nasby@BlueTreble.com, pinker@onet.eu
Subject: Re: Big data INSERT optimization - ExclusiveLock on extension of the table
In-Reply-To: <0805fb3c-ed48-bece-690c-5e60c7b40e65@BlueTreble.com>
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