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Posted to issues@cloudstack.apache.org by "Koushik Das (JIRA)" <ji...@apache.org> on 2014/06/04 11:28:03 UTC

[jira] [Commented] (CLOUDSTACK-5205) System vm startup scripts calculate jvm memory wrong

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-5205?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14017523#comment-14017523 ] 

Koushik Das commented on CLOUDSTACK-5205:
-----------------------------------------

This is fixed on 4.3 and above with this commit.

commit 4809d91c51ce682f3e18d85fb4e6318b27fac2a7
Author: Koushik Das <ko...@apache.org>
Date:   Fri Jan 31 10:35:19 2014 +0530

    CLOUDSTACK-5993: Cloud agent fails to start on 32-bit system vms (cpvm and ssvm) created with 4GB RAM offering
    Capped the max heap size of the JVM at 2600M for 32-bit system VMs. For 64-bit, existing logic works fine.
    (cherry picked from commit 1ae02009b562692a7da54f2694a9962f55660aa3)
    
    Signed-off-by: Animesh Chaturvedi <an...@apache.org>


> 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
>            Assignee: Koushik Das
>             Fix For: 4.3.0, 4.4.0
>
>
> 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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