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Hadoop QA commented on PIG-1204: -------------------------------- -1 overall. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12431490/PIG-1204.patch against trunk revision 903030. +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 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/Pig-Patch-h8.grid.sp2.yahoo.net/190/testReport/ Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h8.grid.sp2.yahoo.net/190/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html Console output: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h8.grid.sp2.yahoo.net/190/console This message is automatically generated. > Join two streaming relations hang in local mode > ----------------------------------------------- > > Key: PIG-1204 > URL: https://issues.apache.org/jira/browse/PIG-1204 > Project: Pig > Issue Type: Bug > Affects Versions: 0.6.0 > Reporter: Richard Ding > Assignee: Richard Ding > Fix For: 0.7.0 > > Attachments: PIG-1204.patch > > > The following script hangs running in local mode when inpuf files contains > many lines (e.g. 10K). The same script works when runing in MR mode. > {code} > A = load 'input1' as (a0, a1, a2); > B = stream A through `head -1` as (a0, a1, a2); > C = load 'input2' as (a0, a1, a2); > D = stream C through `head -1` as (a0, a1, a2); > E = join B by a0, D by a0; > dump E > {code} > Here is one stack trace: > "Thread-13" prio=10 tid=0x09938400 nid=0x1232 in Object.wait() > [0x8fffe000..0x8ffff030] > java.lang.Thread.State: WAITING (on object monitor) > at java.lang.Object.wait(Native Method) > - waiting on <0x9b8e0a40> (a > org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStream) > at java.lang.Object.wait(Object.java:485) > at > org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStream.getNextHelper(POStream.java:291) > - locked <0x9b8e0a40> (a > org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStream) > at > org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStream.getNext(POStream.java:214) > at > org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:272) > at > org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange.getNext(POLocalRearrange.java:256) > at > org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POUnion.getNext(POUnion.java:162) > at > org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:232) > at > org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:227) > at > org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:52) > at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144) > at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:583) > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305) > at > org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:176) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.