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Re: Optimizing

From: Steve Crawford <scrawford(at)pinpointresearch(dot)com>
To: "Montrone, Marc -- 7183" <marc(dot)montrone(at)novastar1(dot)com>,"'pgsql-sql(at)postgresql(dot)org'" <pgsql-sql(at)postgresql(dot)org>
Subject: Re: Optimizing
Date: 2003-03-01 01:16:42
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-sql
That should be virtually instant.

First, the usual suspects: have you run "vacuum analyze" on your table? If 
not, do it and try again.

If so, please show us your table structure, index, and query - just fire up 
psql and run "\d yourtablename" and "explain <your query>" and send it to us.


On Friday 28 February 2003 7:26 am, Montrone, Marc -- 7183 wrote:
> Please advise how I can improve performance of query searching for
> telephone numbers. I have a table with over a million records of phone
> numbers in a single indexed field. To find one phone number takes nearly 20
> seconds. Aside from hardware upgrades, how can I improve the performance of
> this query? Thank you in advance.
> ---------------------------(end of broadcast)---------------------------
> TIP 1: subscribe and unsubscribe commands go to majordomo(at)postgresql(dot)org

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  • Optimizing at 2003-02-28 15:26:08 from Montrone, Marc -- 7183

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