on 09-08-2014 5:18 AM
Hi All,
upon generating EWA I got these RED error on my CRM production running on J2EE, please refer to the error as attached.
I'm not particular clear about Garbage Collection (GC), how do we clear those? or it just a setting?
Any pointer or guidance to iron our this issue would be helpful,
Thank you,
Regards,
Ura
Thanks for all the response guys,
now I need to prepare a test development to give it a try before initiate on the live server.
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The EWA report is speaking about the J2EE performance and the JDK used on the system.
You should first replace the JDK with SAP JVM. There are some articles available on SCN for JVM replacement. You may use the switch tool for replace the JVM. Do a search on SCN for those documents. Review the Java parameters when you replace the JVM and if required adapt them and check the system performance for a week and then get the latest EWA and review it.
Regards
RB
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is it very easy guys?
You have to use the JVM switch tool to change from vendors JVM to SAP JVM.
Now, the switch process itself in a small task and won't consume much of your time.
do you think by upgrading to JVM will boost the performance as well?
The new JVM is based on new specification, which in turn brings new functions.
For eg, a new JVM has improved GC algorithm and add additional parameters for debugging.
Regards,
Divyanshu
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Hi Ura,
The errot talks of high garbage collection and old version of JVM.
You should upgrade to SAP JVM.
Other things is incorrectly configured heap memory.
For this you need to adjust heap size considering full GC and take a heap dump to analyse it further.
Regards
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Hi
From error i could analyse is you still might be using the JDK (sun - java)
please start using SAP - JVM 4 or 6 .
please follow following note for how to switch to JVM
1907153 - FAQ: SAP JVM Switch Tool
Regards
Dishant
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