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Reset memory profiling on remote server

Moderators: Vladimir Kondratyev, Anton Katilin

Reset memory profiling on remote server

Postby christian » Wed Nov 12, 2014 6:54 am

Hi there,

I'm trying to make a memory profile of a few batches on a remote WebSphere Server.
The way im doing it is starting the yourkit client on my desktop, then I connect to WebSphere
and it automatically starts profiling and never stops. Another point is that the profile is only about
an hour - I think i can only change that via the startup option "telemetrylimit=<hours>" ? Is it possible to change that
when the server is already running or do I have to restart it and integrate the yjp.jar again?

best regards,
Christian
christian
 
Posts: 1
Joined: Wed Nov 12, 2014 6:41 am

Re: Reset memory profiling on remote server

Postby Anton Katilin » Wed Nov 12, 2014 8:23 am

Hello Christian

The way im doing it is starting the yourkit client on my desktop, then I connect to WebSphere
and it automatically starts profiling and never stops.

Could you please clarify what kind of profiling starts. Do you mean the telemetry graphs being updated? Yes, they are always available, but their overhead is negligible if you use the J2EE server integration wizard's recommended startup options which disable those particular telemetries that may cause a noticeable overhead (stack telemetry, exception telemetry).

Another point is that the profile is only about
an hour - I think i can only change that via the startup option "telemetrylimit=<hours>" ? Is it possible to change that
when the server is already running or do I have to restart it and integrate the yjp.jar again?

This startup option cannot be altered in runtime, so you have to re-integrate with the server with appropriate "telemetrylimit" and then restart it.

Best regards,
Anton
Anton Katilin
 
Posts: 5703
Joined: Wed Aug 11, 2004 8:37 am


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