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From "Prasanna Santhanam (JIRA)" <>
Subject [jira] [Commented] (CLOUDSTACK-5205) System vm startup scripts calculate jvm memory wrong
Date Wed, 20 Nov 2013 07:21:21 GMT


Prasanna Santhanam commented on CLOUDSTACK-5205:

Thanks! Do you think you can submit a patch for this? Please post it on
Patches left in JIRA tickets generally don't get noticed by the concerned contributors. Here's
some guidelines :

> System vm startup scripts calculate jvm memory wrong
> ----------------------------------------------------
>                 Key: CLOUDSTACK-5205
>                 URL:
>             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 `` 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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