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From "Cheolsoo Park (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-2579) Support for multiple input schemas in AvroStorage
Date Sun, 14 Oct 2012 00:58:03 GMT

    [ https://issues.apache.org/jira/browse/PIG-2579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13475740#comment-13475740
] 

Cheolsoo Park commented on PIG-2579:
------------------------------------

@Santhosh,
Thank you very much.

Btw, regarding the other test failures, I realized that I was hitting MAPREDUCE-3933, and
I was able to fix them by setting MALLOC_ARENA_MAX to 4 on my CentOS 6 VM. Please see PIG-2966.

But I cannot reproduce the same failures on my Mac, which seems correct as this issue is CentOS-6-specific.
Are you setting JAVA_HOME=`/usr/libexec/java_home` on your Mac? As far as I understand, those
3 tests are only ones that use MiniCluster, and not setting JAVA_HOME will make them fail.
                
> Support for multiple input schemas in AvroStorage
> -------------------------------------------------
>
>                 Key: PIG-2579
>                 URL: https://issues.apache.org/jira/browse/PIG-2579
>             Project: Pig
>          Issue Type: New Feature
>          Components: piggybank
>    Affects Versions: 0.9.2, 0.11
>            Reporter: Stan Rosenberg
>            Assignee: Cheolsoo Park
>            Priority: Minor
>             Fix For: 0.11
>
>         Attachments: avro_storage_union_schema.patch, avro_storage_union_schema_test.tar.gz,
PIG-2579-2-avro_test_files.tar.gz, PIG-2579-2.patch, PIG-2579-3.patch, PIG-2579-4.patch, PIG-2579-5.patch,
PIG-2579-6.patch
>
>
> This is a barebones patch for AvroStorage which enables support of multiple input schemas.
 The assumption is that the input consists of avro files having different schemas that can
be unioned, e.g., flat records.  
> A simple illustrative example is attached (avro_storage_union_schema_test.tar.gz): run
create_avro1.pig, followed by create_avro2.pig, followed by read_avro.pig.

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