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Posted to common-dev@hadoop.apache.org by "Arun C Murthy (JIRA)" <ji...@apache.org> on 2008/07/31 03:20:31 UTC
[jira] Created: (HADOOP-3875) Fix TaskTracker's heartbeat timer to
note the time the hearbeat RPC returned to decide next heartbeat time
Fix TaskTracker's heartbeat timer to note the time the hearbeat RPC returned to decide next heartbeat time
----------------------------------------------------------------------------------------------------------
Key: HADOOP-3875
URL: https://issues.apache.org/jira/browse/HADOOP-3875
Project: Hadoop Core
Issue Type: Bug
Components: mapred
Affects Versions: 0.18.0
Reporter: Arun C Murthy
Assignee: Arun C Murthy
Fix For: 0.19.0
The tasktracker notes the time the heartbeat RPC was fired, rather than when it returned to decide when to send the next one. If the RPC spends a lot of time in the JobTracker's queue then the above exacerbates the load on the JobTracker.
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[jira] Commented: (HADOOP-3875) Fix TaskTracker's heartbeat timer
to note the time the hearbeat RPC returned to decide next heartbeat time
Posted by "Hadoop QA (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12618600#action_12618600 ]
Hadoop QA commented on HADOOP-3875:
-----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12387250/HADOOP-3875_0_20080730.patch
against trunk revision 681243.
+1 @author. The patch does not contain any @author tags.
-1 tests included. The patch doesn't appear to include any new or modified tests.
Please justify why no tests are needed for this patch.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac compiler warnings.
+1 findbugs. The patch does not introduce any new Findbugs warnings.
+1 release audit. The applied patch does not increase the total number of release audit warnings.
-1 core tests. The patch failed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2990/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2990/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2990/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2990/console
This message is automatically generated.
> Fix TaskTracker's heartbeat timer to note the time the hearbeat RPC returned to decide next heartbeat time
> ----------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-3875
> URL: https://issues.apache.org/jira/browse/HADOOP-3875
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.18.0
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
> Fix For: 0.19.0
>
> Attachments: HADOOP-3875_0_20080730.patch
>
>
> The tasktracker notes the time the heartbeat RPC was fired, rather than when it returned to decide when to send the next one. If the RPC spends a lot of time in the JobTracker's queue then the above exacerbates the load on the JobTracker.
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[jira] Updated: (HADOOP-3875) Fix TaskTracker's heartbeat timer to
note the time the hearbeat RPC returned to decide next heartbeat time
Posted by "Owen O'Malley (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3875?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Owen O'Malley updated HADOOP-3875:
----------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
I just committed this. Thanks, Arun!
> Fix TaskTracker's heartbeat timer to note the time the hearbeat RPC returned to decide next heartbeat time
> ----------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-3875
> URL: https://issues.apache.org/jira/browse/HADOOP-3875
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.18.0
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
> Fix For: 0.19.0
>
> Attachments: HADOOP-3875_0_20080730.patch
>
>
> The tasktracker notes the time the heartbeat RPC was fired, rather than when it returned to decide when to send the next one. If the RPC spends a lot of time in the JobTracker's queue then the above exacerbates the load on the JobTracker.
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[jira] Updated: (HADOOP-3875) Fix TaskTracker's heartbeat timer to
note the time the hearbeat RPC returned to decide next heartbeat time
Posted by "Arun C Murthy (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3875?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Arun C Murthy updated HADOOP-3875:
----------------------------------
Status: Patch Available (was: Open)
> Fix TaskTracker's heartbeat timer to note the time the hearbeat RPC returned to decide next heartbeat time
> ----------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-3875
> URL: https://issues.apache.org/jira/browse/HADOOP-3875
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.18.0
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
> Fix For: 0.19.0
>
> Attachments: HADOOP-3875_0_20080730.patch
>
>
> The tasktracker notes the time the heartbeat RPC was fired, rather than when it returned to decide when to send the next one. If the RPC spends a lot of time in the JobTracker's queue then the above exacerbates the load on the JobTracker.
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[jira] Commented: (HADOOP-3875) Fix TaskTracker's heartbeat timer
to note the time the hearbeat RPC returned to decide next heartbeat time
Posted by "Arun C Murthy (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12618579#action_12618579 ]
Arun C Murthy commented on HADOOP-3875:
---------------------------------------
Also, there is a redundant call to System.currentTime in TaskTracker.transmitHeartbeat - that information is already available at TaskTracker.offerService, we should just pass it down.
> Fix TaskTracker's heartbeat timer to note the time the hearbeat RPC returned to decide next heartbeat time
> ----------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-3875
> URL: https://issues.apache.org/jira/browse/HADOOP-3875
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.18.0
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
> Fix For: 0.19.0
>
>
> The tasktracker notes the time the heartbeat RPC was fired, rather than when it returned to decide when to send the next one. If the RPC spends a lot of time in the JobTracker's queue then the above exacerbates the load on the JobTracker.
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[jira] Commented: (HADOOP-3875) Fix TaskTracker's heartbeat timer
to note the time the hearbeat RPC returned to decide next heartbeat time
Posted by "Hudson (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12624728#action_12624728 ]
Hudson commented on HADOOP-3875:
--------------------------------
Integrated in Hadoop-trunk #581 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/581/])
> Fix TaskTracker's heartbeat timer to note the time the hearbeat RPC returned to decide next heartbeat time
> ----------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-3875
> URL: https://issues.apache.org/jira/browse/HADOOP-3875
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.18.0
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
> Fix For: 0.19.0
>
> Attachments: HADOOP-3875_0_20080730.patch
>
>
> The tasktracker notes the time the heartbeat RPC was fired, rather than when it returned to decide when to send the next one. If the RPC spends a lot of time in the JobTracker's queue then the above exacerbates the load on the JobTracker.
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[jira] Updated: (HADOOP-3875) Fix TaskTracker's heartbeat timer to
note the time the hearbeat RPC returned to decide next heartbeat time
Posted by "Arun C Murthy (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3875?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Arun C Murthy updated HADOOP-3875:
----------------------------------
Attachment: HADOOP-3875_0_20080730.patch
Straight-forward patch...
> Fix TaskTracker's heartbeat timer to note the time the hearbeat RPC returned to decide next heartbeat time
> ----------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-3875
> URL: https://issues.apache.org/jira/browse/HADOOP-3875
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.18.0
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
> Fix For: 0.19.0
>
> Attachments: HADOOP-3875_0_20080730.patch
>
>
> The tasktracker notes the time the heartbeat RPC was fired, rather than when it returned to decide when to send the next one. If the RPC spends a lot of time in the JobTracker's queue then the above exacerbates the load on the JobTracker.
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[jira] Updated: (HADOOP-3875) Fix TaskTracker's heartbeat timer to
note the time the hearbeat RPC returned to decide next heartbeat time
Posted by "Amareshwari Sriramadasu (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3875?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Amareshwari Sriramadasu updated HADOOP-3875:
--------------------------------------------
Hadoop Flags: [Reviewed]
+1
> Fix TaskTracker's heartbeat timer to note the time the hearbeat RPC returned to decide next heartbeat time
> ----------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-3875
> URL: https://issues.apache.org/jira/browse/HADOOP-3875
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.18.0
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
> Fix For: 0.19.0
>
> Attachments: HADOOP-3875_0_20080730.patch
>
>
> The tasktracker notes the time the heartbeat RPC was fired, rather than when it returned to decide when to send the next one. If the RPC spends a lot of time in the JobTracker's queue then the above exacerbates the load on the JobTracker.
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