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Former Member

Looking for the cause of high processing time


we now have a problem in production where at some times during the day, the response times of transactions on a particular application server get much higher than the normal.

We have looked at stad (workload) at these times and noticed an increase in processing time but not in cpu time.

We looked at the machine statistics and nothing was out of order at those times. (cpu, network, etc).

What is also strange is that we have other application servers running on the same machine which do not have the problem.

The question is how can we find out in which component is this processing time taking place ?

In what components can processing time happen ?

Thank you.

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    author's profile photo Former Member
    Former Member
    Posted on May 16, 2008 at 08:09 PM

    Start looking through the reports in ST03N. One thing that helps to sift out what processes are hogging resources is to take a look at one of the reports like Response time distribution.

    Generally, I take the results from this and graph them in Excel to get a better idea of what type of process is using resources. When you overlay RFC, background, and DIA you will start to see if there are any correlations between processes (like background and RFC processes with response times that are nearly equal).

    Have you checked DB locks to see if you might having a contention issue at this time?

    Just wondering.

    J. Haynes

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    • Former Member Former Member

      Thank you.

      I don't think the database is the cause of the problems because we have other instances that access the same databse which don't have the high processing time statistics.

      Also, in st03n, we can't see the processing time.

      Thanks for the group, I didn't notice it.

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