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From "Jason Rutherglen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-2655) Get deletes working in the realtime branch
Date Wed, 13 Oct 2010 18:09:33 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-2655?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12920698#action_12920698
] 

Jason Rutherglen commented on LUCENE-2655:
------------------------------------------

bq. I think the switch to generations of pending deletes (LUCENE-2680) would fix this? Maybe
we should go do that one first.

Yes, lets work on that one as it directly relates to solving this issue.  The generational
system won't work for DWPT pending flushed deletes for the reasons described (ie, the docidupto/limit
will be inappropriately globalized).  

{quote}I think there's a graph structure somehow? Ie every DWPT that's flushed must record
the segments that existed (were already flushed) when it was first created, because it's only
those segments that should get the deleted term{quote}

You're saying record a list of segments that existed at the time of flushing a DWPT's deletes?
 Lets get that data structure mapped out to start on LUCENE-2680?



> Get deletes working in the realtime branch
> ------------------------------------------
>
>                 Key: LUCENE-2655
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2655
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Index
>    Affects Versions: Realtime Branch
>            Reporter: Jason Rutherglen
>             Fix For: Realtime Branch
>
>         Attachments: LUCENE-2655.patch
>
>
> Deletes don't work anymore, a patch here will fix this.

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