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Posted to dev@hama.apache.org by "Edward J. Yoon (JIRA)" <ji...@apache.org> on 2011/05/11 10:30:47 UTC
[jira] [Created] (HAMA-386) Removing 'System.arraycopy(...)' call
from all message constructors to reduce memory/garbage collection
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
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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[jira] [Updated] (HAMA-386) Removing 'System.arraycopy(...)' call
from all message constructors to reduce memory/garbage collection
Posted by "Edward J. Yoon (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HAMA-386?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Edward J. Yoon updated HAMA-386:
--------------------------------
Attachment: HAMA-386.patch
Trivial changes.
> 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
> Affects Versions: 0.2.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.3.0
>
> Attachments: HAMA-386.patch, 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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[jira] [Commented] (HAMA-386) Removing 'System.arraycopy(...)' call
from all message constructors to reduce memory/garbage collection
Posted by "Hudson (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HAMA-386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13032634#comment-13032634 ]
Hudson commented on HAMA-386:
-----------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12478928/patch.txt
against trunk revision 1100148.
@author +1. The patch does not contain any @author tags.
tests included +1. The patch appears to include 6 new or modified tests.
core tests +1. The patch passed core unit tests.
Changes : http://builds.apache.org/hudson/job/Hama-Patch/336/changes/
Console output: http://builds.apache.org/hudson/job/Hama-Patch/336/console
This message is automatically generated.
> 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
> Affects Versions: 0.2.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.3.0
>
> 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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[jira] [Updated] (HAMA-386) Removing 'System.arraycopy(...)' call
from all message constructors to reduce memory/garbage collection
Posted by "Edward J. Yoon (JIRA)" <ji...@apache.org>.
[ 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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[jira] [Updated] (HAMA-386) Removing 'System.arraycopy(...)' call
from all message constructors to reduce memory/garbage collection
Posted by "Edward J. Yoon (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HAMA-386?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Edward J. Yoon updated HAMA-386:
--------------------------------
Fix Version/s: 0.3.0
Assignee: Edward J. Yoon
Affects Version/s: 0.2.0
Status: Patch Available (was: Open)
submitting
> 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
> Affects Versions: 0.2.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.3.0
>
> 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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[jira] [Updated] (HAMA-386) Removing 'System.arraycopy(...)' call
from all message constructors to reduce memory/garbage collection
Posted by "Edward J. Yoon (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HAMA-386?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Edward J. Yoon updated HAMA-386:
--------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
committed.
> 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
> Affects Versions: 0.2.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.3.0
>
> Attachments: HAMA-386.patch, 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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