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IBM's WAIT utility and RTC.

Karl Athanasiou (3121317) | asked Feb 19 '14, 12:44 p.m.

Greetings all,

Has any one utilized the WAIT tool from IBM to analyze WAS/RTC performance?

If you have, would you mind sharing a blurb as to if it was helpful or not?

Thank you

WAIT tool home Page

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Donald Nong (14.5k414) | answered Feb 19 '14, 7:05 p.m.
The WAIT utility (and similar other tools) has been used extensively in IBM to help resolve issues such as hang, out-of-memory and even crash. To use this tool successfully, you need to have certain level of Java knowledge and be familiar with the OS where the Java process is running. The most likely parameter that you can change/tweak is the JVM heap size, and probably the thread pool based on your own WAIT analysis. But if it is down to API level, such as a memory leak suspect, you have to pass it on to the developers anyway.
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Stephane Leroy (1.4k149) | answered Feb 21 '14, 5:30 a.m.
Hi Karl,

you may want to read this blog article which provides recap of its interest in the context of Jazz server, and details on how to set this tool up, how to use it and how to check its generated reports.


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