Hi,
I recently had a problem with my Sun Fire v40z (24 GB RAM and four
dual core Opterons). This machine runs on a plain 2.6.15 kernel. A
user started Java-processes (java -Xmx 20000m ...). However after some
time I realised that this machine was unresponsive (screen session
didn't respond and no new SSH connection). A htop gave me the
following information:
load: 12.78/11.09/8.25
MEM: 23616/23738MB
Swap: 2000/2000MB
Tasks: 402 total, 17 running
The machine was rebootet because it went unresponsive.
I would normally expect that the OOM-killer start at some point and
kills processes. Obviously this didn't happen here. Could you tell why
this didn't happen? What information could I provide furthermore? What
criteria are there for starting the OOM-killer (links to docs are
appreciated)?
Thanks for any hints
Jens
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