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From: Andy Colson <andy@squeakycode.net>
To: Saurabh <saurabh.b85@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: How to improve insert speed with index on text column
Date: Mon, 30 Jan 2012 12:33:00 -0600
Message-ID: <4F26E25C.1020402@squeakycode.net> (raw)
In-Reply-To: <bdd5c927-eeb7-46ed-a9a6-231b731f37e8@t15g2000yqi.googlegroups.com>
References: <bdd5c927-eeb7-46ed-a9a6-231b731f37e8@t15g2000yqi.googlegroups.com>

On 1/30/2012 3:27 AM, Saurabh wrote:
> Hi all,
>
> I am using Postgresql database for our project and doing some
> performance testing. We need to insert millions of record with indexed
> columns. We have 5 columns in table. I created index on integer only
> then performance is good but when I created index on text column as
> well then the performance reduced to 1/8th times. My question is how I
> can improve performance when inserting data using index on text
> column?
>
> Thanks,
> Saurabh
>

Do it in a single transaction, and use COPY.

-Andy



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