[ 
http://issues.apache.org/jira/browse/SOLR-65?page=comments#action_12448024 ] 
            
Mike Klaas commented on SOLR-65:
--------------------------------

This version removes the attempt at parsing the rest of the xml if an error 
occurs during document update.  

It has mostly already been reviewed, but to summarize, this patch:
  - improves concurrency during multi-threaded document update
  - potentially optimizes huge commits (may prevent a stall if memory is 
constrained)
  - eliminates the edge cases of document update (esp. multi-doc update) which 
causes
   solr to return xml that couldn't be parsed as a single document (should also 
solve SOLR-2; SOLR-54)

If no-one has objections, I'll commit the patch tomorrow.

> Multithreaded DirectUpdateHandler2
> ----------------------------------
>
>                 Key: SOLR-65
>                 URL: http://issues.apache.org/jira/browse/SOLR-65
>             Project: Solr
>          Issue Type: New Feature
>          Components: update
>            Reporter: Mike Klaas
>         Assigned To: Mike Klaas
>         Attachments: autocommit_patch.diff, autocommit_patch.diff, 
> autocommit_patch.diff, autocommit_patch.diff
>
>
> Basic implementation of autoCommi functionality, plus overhaul of DUH2 
> threading to reduce contention

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