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Posted to dev@pig.apache.org by "Alan Gates (JIRA)" <ji...@apache.org> on 2010/01/20 00:20:54 UTC

[jira] Commented: (PIG-1197) TextLoader should be updated to match changes to PigStorage

    [ https://issues.apache.org/jira/browse/PIG-1197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12802529#action_12802529 ] 

Alan Gates commented on PIG-1197:
---------------------------------

Initial quick performance tests showed a 25% improvement in performance from the patch.

> TextLoader should be updated to match changes to PigStorage
> -----------------------------------------------------------
>
>                 Key: PIG-1197
>                 URL: https://issues.apache.org/jira/browse/PIG-1197
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.6.0
>            Reporter: Alan Gates
>            Assignee: Alan Gates
>            Priority: Minor
>             Fix For: 0.7.0
>
>         Attachments: PIG-1197.patch
>
>
> In 0.6 PigStorage was changed to use LineRecordReader to parse lines out of its stream instead of doing the parsing itself.  This resulted in about a 30% speed up in parsing time.  TextLoader should be changed to use LineRecordReader in the same way to benefit from the same speed up.

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