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From "Jason Rutherglen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-2655) Get deletes working in the realtime branch
Date Mon, 20 Sep 2010 03:21:33 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-2655?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12912319#action_12912319
] 

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

{quote}Maybe we could reuse (factor out) TermsHashPerField's
custom hash here, for the buffered Terms? It efficiently maps a
BytesRef --> int.{quote}

I'm trying to get a feel for what we kind of deletes we want
working in the flush by DWPT merge viz-a-viz the realtime branch
(ie, the release where we have the new realtime search/indexing
functionality). 

Factoring out BytesHash and storing the terms in a byte block
pool will allow replacing the current hash map of terms and
likely conserve more RAM. Will we need to replace doc id upto
and instead use sequence ids? 

We can additionally, for now, implement flushing deletes on
merges, like today, for the flush by DWPT merge to trunk. Then
implement live, aka foreground deletes, for the realtime search
branch merge to trunk. 

> 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
>
>
> Deletes don't work anymore, a patch here will fix this.

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