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Posted to dev@hama.apache.org by "Edward J. Yoon (JIRA)" <ji...@apache.org> on 2011/05/12 03:37:47 UTC
[jira] [Updated] (HAMA-386) Removing 'System.arraycopy(...)' call
from all message constructors to reduce memory/garbage collection
[ https://issues.apache.org/jira/browse/HAMA-386?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Edward J. Yoon updated HAMA-386:
--------------------------------
Attachment: patch.txt
attach my patch.
(P.S. GroboUtils and TestBSPPeer will be removed.)
> Removing 'System.arraycopy(...)' call from all message constructors to reduce memory/garbage collection
> -------------------------------------------------------------------------------------------------------
>
> Key: HAMA-386
> URL: https://issues.apache.org/jira/browse/HAMA-386
> Project: Hama
> Issue Type: Improvement
> Reporter: Edward J. Yoon
> Attachments: patch.txt
>
>
> When the data size is bigger than 50% of available memory, it will throws an OOM exception :/
> {code}
> int dataSize = (int) (Runtime.getRuntime().maxMemory() * 0.60);
> ByteMessage msg = new ByteMessage(Bytes.toBytes("tag"), new byte[dataSize]);
> {code}
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