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#1
08-10-2006
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help required - stack trace
Hi all,
One of our programs written in Java, produced this logfile. This job runs 48 threads and only one thread failed with this error. The code is a blackbox(external product), so cant look at the source code. From what I can infer from the log, the job was trying to write the log messages into a file but didnt write and failed. THe error is below Quote:
Box: HP-UX B.11.11 swapinfo -t gives Quote:
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#2
08-10-2006
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Was swapinfo run during the time tha Java app was running?
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#3
08-10-2006
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No
Sorry for the delayed reply. Was not at desk.
I ran it seperately. But once, while monitoring the job, we got a Red alert in 'glance' saying that the 'Global swap space is nearly full'. It was after pointing out this that the swap was increased.
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#4
08-10-2006
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That means the app is requesting lots of virutal memory. All I get is
1. it's a 64 bit app 2. sigreturn (didn't know it was in HPUX) switches context (like longjmp) after reveiving a signal. So, what signal triggered the problem... did you check syslog?
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#5
08-10-2006
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no signal in syslog
No signal in syslog. Is there any command to see which job is taking up more virtual memory? If we can know the application using the resources, we can atleast ask for a rescheduling of the job.
Regards, Ranjith
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#6
08-10-2006
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The lsp_engine - looks like a virtual machine - is the one with the problem. If the virtual memory problem started with running this app, you don't need to worry about who/what is using memory. Try to run the app as close to solo as possible.
I have not done sysadmin for long time - maybe somebody like Perderabo can give you tuning help. What I see is that you have a lot of free pagefile space. It may also be that you will have to reconfigure the app, if that is possible.
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#7
08-11-2006
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Are you anywhere further along on solving this problem?
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