[jira] [Commented] (MAPREDUCE-2185) Infinite loop at creating splits using CombineFileInputFormat
[
https://issues.apache.org/jira/browse/MAPREDUCE-2185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13057279#comment-13057279
]
Hudson commented on MAPREDUCE-2185:
---
Integrated in Hadoop-Mapreduce-trunk #722 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/722/])
> Infinite loop at creating splits using CombineFileInputFormat
> -
>
> Key: MAPREDUCE-2185
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2185
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: job submission
>Reporter: Hairong Kuang
>Assignee: Ramkumar Vadali
> Fix For: 0.23.0
>
> Attachments: MAPREDUCE-2185.patch
>
>
> This is caused by a missing block in HDFS. So the block's locations are
> empty. The following code adds the block to blockToNodes map but not to
> rackToBlocks map. Later on when generating splits, only blocks in
> rackToBlocks are removed from blockToNodes map. So blockToNodes map can never
> become empty therefore causing infinite loop
> {code}
> // add this block to the block --> node locations map
> blockToNodes.put(oneblock, oneblock.hosts);
> // add this block to the rack --> block map
> for (int j = 0; j < oneblock.racks.length; j++) {
> ..
> }
> {code}
--
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[jira] [Commented] (MAPREDUCE-2185) Infinite loop at creating splits using CombineFileInputFormat
[
https://issues.apache.org/jira/browse/MAPREDUCE-2185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13045186#comment-13045186
]
Hudson commented on MAPREDUCE-2185:
---
Integrated in Hadoop-Mapreduce-trunk-Commit #717 (See
[https://builds.apache.org/hudson/job/Hadoop-Mapreduce-trunk-Commit/717/])
MAPREDUCE-2185. Fix infinite loop at creating splits using
CombineFileInputFormat. (Ramkumar Vadali via schen)
schen : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1132807
Files :
* /hadoop/mapreduce/trunk/CHANGES.txt
*
/hadoop/mapreduce/trunk/src/java/org/apache/hadoop/mapreduce/lib/input/CombineFileInputFormat.java
*
/hadoop/mapreduce/trunk/src/test/mapred/org/apache/hadoop/mapreduce/lib/input/TestCombineFileInputFormat.java
> Infinite loop at creating splits using CombineFileInputFormat
> -
>
> Key: MAPREDUCE-2185
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2185
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: job submission
>Reporter: Hairong Kuang
>Assignee: Ramkumar Vadali
> Fix For: 0.23.0
>
> Attachments: MAPREDUCE-2185.patch
>
>
> This is caused by a missing block in HDFS. So the block's locations are
> empty. The following code adds the block to blockToNodes map but not to
> rackToBlocks map. Later on when generating splits, only blocks in
> rackToBlocks are removed from blockToNodes map. So blockToNodes map can never
> become empty therefore causing infinite loop
> {code}
> // add this block to the block --> node locations map
> blockToNodes.put(oneblock, oneblock.hosts);
> // add this block to the rack --> block map
> for (int j = 0; j < oneblock.racks.length; j++) {
> ..
> }
> {code}
--
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[jira] [Commented] (MAPREDUCE-2185) Infinite loop at creating splits using CombineFileInputFormat
[
https://issues.apache.org/jira/browse/MAPREDUCE-2185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13039357#comment-13039357
]
dhruba borthakur commented on MAPREDUCE-2185:
-
+1 code looks good to me.
> Infinite loop at creating splits using CombineFileInputFormat
> -
>
> Key: MAPREDUCE-2185
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2185
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: job submission
>Reporter: Hairong Kuang
>Assignee: Ramkumar Vadali
> Attachments: MAPREDUCE-2185.patch
>
>
> This is caused by a missing block in HDFS. So the block's locations are
> empty. The following code adds the block to blockToNodes map but not to
> rackToBlocks map. Later on when generating splits, only blocks in
> rackToBlocks are removed from blockToNodes map. So blockToNodes map can never
> become empty therefore causing infinite loop
> {code}
> // add this block to the block --> node locations map
> blockToNodes.put(oneblock, oneblock.hosts);
> // add this block to the rack --> block map
> for (int j = 0; j < oneblock.racks.length; j++) {
> ..
> }
> {code}
--
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[jira] [Commented] (MAPREDUCE-2185) Infinite loop at creating splits using CombineFileInputFormat
[
https://issues.apache.org/jira/browse/MAPREDUCE-2185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13038301#comment-13038301
]
Hadoop QA commented on MAPREDUCE-2185:
--
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12480153/MAPREDUCE-2185.patch
against trunk revision 1126591.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 new or modified tests.
+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 (version 1.3.9)
warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
+1 core tests. The patch passed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
+1 system test framework. The patch passed system test framework compile.
Test results:
https://builds.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/297//testReport/
Findbugs warnings:
https://builds.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/297//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
https://builds.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/297//console
This message is automatically generated.
> Infinite loop at creating splits using CombineFileInputFormat
> -
>
> Key: MAPREDUCE-2185
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2185
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: job submission
>Reporter: Hairong Kuang
>Assignee: Ramkumar Vadali
> Attachments: MAPREDUCE-2185.patch
>
>
> This is caused by a missing block in HDFS. So the block's locations are
> empty. The following code adds the block to blockToNodes map but not to
> rackToBlocks map. Later on when generating splits, only blocks in
> rackToBlocks are removed from blockToNodes map. So blockToNodes map can never
> become empty therefore causing infinite loop
> {code}
> // add this block to the block --> node locations map
> blockToNodes.put(oneblock, oneblock.hosts);
> // add this block to the rack --> block map
> for (int j = 0; j < oneblock.racks.length; j++) {
> ..
> }
> {code}
--
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