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From "Rohini Palaniswamy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-3455) Pig 0.11.1 OutOfMemory error
Date Tue, 10 Sep 2013 17:37:51 GMT

    [ https://issues.apache.org/jira/browse/PIG-3455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13763272#comment-13763272
] 

Rohini Palaniswamy commented on PIG-3455:
-----------------------------------------

Basically a MessageDigest implementation that mimics String.hashCode() behavior so it still
matches older signatures and previously collected stats don't go waste.
                
> Pig 0.11.1 OutOfMemory error
> ----------------------------
>
>                 Key: PIG-3455
>                 URL: https://issues.apache.org/jira/browse/PIG-3455
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.11.1
>            Reporter: Shubham Chopra
>            Priority: Critical
>
> When running Pig on a relatively large script (around 1.5k lines, 85 assignments), Pig
fails with the following error even before any jobs are fired:
> Pig Stack Trace
> ---------------
> ERROR 2998: Unhandled internal error. Java heap space
> java.lang.OutOfMemoryError: Java heap space
>         at java.util.Arrays.copyOf(Arrays.java:2882)
>         at java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:100)
>         at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:390)
>         at java.lang.StringBuilder.append(StringBuilder.java:119)
>         at org.apache.pig.newplan.logical.optimizer.LogicalPlanPrinter.depthFirstLP(LogicalPlanPrinter.java:83)
>         at org.apache.pig.newplan.logical.optimizer.LogicalPlanPrinter.visit(LogicalPlanPrinter.java:69)
>         at org.apache.pig.newplan.logical.relational.LogicalPlan.getSignature(LogicalPlan.java:122)
>         at org.apache.pig.PigServer.execute(PigServer.java:1237)
>         at org.apache.pig.PigServer.executeBatch(PigServer.java:333)
>         at org.apache.pig.tools.grunt.GruntParser.executeBatch(GruntParser.java:137)
>         at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:198)
>         at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:170)
>         at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:84)
>         at org.apache.pig.Main.run(Main.java:604)
>         at org.apache.pig.Main.main(Main.java:157)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.apache.hadoop.util.RunJar.main(RunJar.java:160)
> The same script works fine with Pig-0.10.1.

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