[jira] [Created] (HAMA-386) Removing 'System.arraycopy(...)' call from all message constructors to reduce memory/garbage collection

Wed, 11 May 2011 01:31:32 -0700 

Removing 'System.arraycopy(...)' call from all message constructors to reduce 
memory/garbage collection
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                 Key: HAMA-386
                 URL: https://issues.apache.org/jira/browse/HAMA-386
             Project: Hama
          Issue Type: Improvement
            Reporter: Edward J. Yoon


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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