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From "John E Vincent (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-5205) System vm startup scripts calculate jvm memory wrong
Date Tue, 19 Nov 2013 21:41:22 GMT
John E Vincent created CLOUDSTACK-5205:
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             Summary: System vm startup scripts calculate jvm memory wrong
                 Key: CLOUDSTACK-5205
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-5205
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: SystemVM
    Affects Versions: 4.2.0
            Reporter: John E Vincent


While attempting to provision beefier system vms, we discovered this bug.

The `_run.sh` script in the system vm calculates jvm memory based on 80% of the total memory
on the system. This is great up until the point 80% of memory goes above ~1.9G. The system
vm templates are all 32-bit and so calculating the size too high will cause the agent jvm
to fail to start.

The fix is pretty simple with a final sanity check:

	if [ $maxmem -gt 1900 ]
	then
	  maxmem=1900
	fi




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