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https://issues.apache.org/jira/browse/NUTCH-799?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12841790#action_12841790
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Andrzej Bialecki  commented on NUTCH-799:
-----------------------------------------

I think it's ok to do it this way - the commit per reducer may be actually 
harmful if commit succeeds but the task is killed for any reason and re-ran.

Note: the patch has some formatting errors.

> SOLRIndexer to commit once all reducers have finished
> -----------------------------------------------------
>
>                 Key: NUTCH-799
>                 URL: https://issues.apache.org/jira/browse/NUTCH-799
>             Project: Nutch
>          Issue Type: Improvement
>          Components: indexer
>            Reporter: Julien Nioche
>             Fix For: 1.1
>
>         Attachments: NUTCH-799.patch
>
>
> What about doing only one SOLR commit after the MR job has finished in 
> SOLRIndexer instead of doing that at the end of every Reducer? 
> I ran into timeout exceptions in some of my reducers and I suspect that this 
> was due to the fact that other reducers had already finished and called 
> commit. 

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