On Wed, Nov 09, 2022 at 12:20:35PM -0800, José Luis Silva wrote: > Hello community, I have a version 6.3 of dspace. > > I checked the running processes and saw four 'java' processes exceeding > %CPU, we increased the server CPU and memory to 10 vCPU and 18 GB RAM. This > has no effect, the same processes are running above the threshold. > > I tried 'kill -9' to kill these processes with their PID, but they > immediately ran again.
I see two separate issues here.
1. *Possible* runaway processes. These could simply be doing work
that takes a lot of CPU for a significant amount of time, but would
eventually complete. The first thing to do is to find out what
application is running in each, then find out what that
application is doing. Check the appropriate log files to see if
there is a problem.
2. Killed processes are automatically re-created. This sounds like
those applications are running under a process monitor that is
configured to keep them running. There are many of these -- for
example, here we use 'monit' to start and restart daemons such as
Tomcat and Solr. If this is how those processes of yours are run,
then you'll need to find out what is monitoring them and use that
to control their states.
--
Mark H. Wood
Lead Technology Analyst
University Library
Indiana University - Purdue University Indianapolis
755 W. Michigan Street
Indianapolis, IN 46202
317-274-0749
www.ulib.iupui.edu
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