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https://issues.apache.org/jira/browse/SOLR-2193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13041554#comment-13041554
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Simon Willnauer commented on SOLR-2193:
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Jason, your action on this issue is not appropriate and with my PMC Hat on I 
can't tolerate this! I want remind you to move back to an appropriate tone and 
help out rather than randomly -1. I don't see any political issues here neither 
is the -1 appropriate. You have done lots of realtime work and mark seems to be 
pretty open to comments too so get back to technical discussion. If you have 
any general issues feel free to raise them on dev@l.a.o

simon

> Re-architect Update Handler
> ---------------------------
>
>                 Key: SOLR-2193
>                 URL: https://issues.apache.org/jira/browse/SOLR-2193
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Mark Miller
>             Fix For: 4.0
>
>         Attachments: SOLR-2193.patch, SOLR-2193.patch, SOLR-2193.patch, 
> SOLR-2193.patch, SOLR-2193.patch, SOLR-2193.patch
>
>
> The update handler needs an overhaul.
> A few goals I think we might want to look at:
> 1. Cleanup - drop DirectUpdateHandler(2) line - move to something like 
> UpdateHandler, DefaultUpdateHandler
> 2. Expose the SolrIndexWriter in the api or add the proper abstractions to 
> get done what we now do with special casing:
> if (directupdatehandler2)
>   success
>  else
>   failish
> 3. Stop closing the IndexWriter and start using commit (still lazy IW init 
> though).
> 4. Drop iwAccess, iwCommit locks and sync mostly at the Lucene level.
> 5. Keep NRT support in mind.
> 6. Keep microsharding in mind (maintain logical index as multiple physical 
> indexes)
> 7. Address the current issues we face because multiple original/'reloaded' 
> cores can have a different IndexWriter on the same index.

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