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Informix Performance Issues - Informix

Hi, We basically develope Telecom solutions. Recently, we were in the process of implemneting a feature which required the sum of call charges for a day for each subscriber. The table which holds the call information has 60mill records. The query sums call charges for the subscriber for a day . It returns 500,000 rows. This query takes over 20 hrs to finish. The version of IDS we are using is 9.21 FC4 which runs on Tru64 Unix 5.0a. We are unable to implement this feature owing to such a long delay for the query to finish. The table holds ...

  1. #1

    Default Informix Performance Issues

    Hi,

    We basically develope Telecom solutions. Recently, we were in the
    process of implemneting a feature which required the sum of call
    charges for a day for each subscriber.

    The table which holds the call information has 60mill records. The
    query sums call charges for the subscriber for a day . It returns
    500,000 rows. This query takes over 20 hrs to finish.

    The version of IDS we are using is 9.21 FC4 which runs on Tru64 Unix
    5.0a.

    We are unable to implement this feature owing to such a long delay for
    the query to finish.

    The table holds 3 months information. We have made 3 fragments. One
    for each month.

    Would appreaciate any suggestions.

    Cheers,
    Ajay Gopinath Guest

  2. #2

    Default Re: Informix Performance Issues

    Post table schema with index info and the sql you used.
    You will likely be asked to post your onconfig as well.

    It should not take so long to process the query.

    Michael


    Ajay Gopinath wrote:
    >Hi,
    >
    >We basically develope Telecom solutions. Recently, we were in the
    >process of implemneting a feature which required the sum of call
    >charges for a day for each subscriber.
    >
    >The table which holds the call information has 60mill records. The
    >query sums call charges for the subscriber for a day . It returns
    >500,000 rows. This query takes over 20 hrs to finish.
    >
    >The version of IDS we are using is 9.21 FC4 which runs on Tru64 Unix
    >5.0a.
    >
    >We are unable to implement this feature owing to such a long delay for
    >the query to finish.
    >
    >The table holds 3 months information. We have made 3 fragments. One
    >for each month.
    >
    >Would appreaciate any suggestions.
    >
    >Cheers,
    >
    >
    Michael Krzepkowski Guest

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