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https://issues.apache.org/jira/browse/SOLR-1444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12756929#action_12756929
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Noble Paul commented on SOLR-1444:
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What should be the configuration?
{code:xml} 
<mergePolicy calibrateSizeByDeletes = 
"false">org.apache.lucene.index.LogByteSizeMergePolicy</mergePolicy> 
{code} 

should we move to a more consistent configuration such as 
{code:xml} 
<mergePolicy class="org.apache.lucene.index.LogByteSizeMergePolicy" 
calibrateSizeByDeletes = "false"/> 
{code} 


> Add option in solrconfig.xml to override the LogMergePolicy 
> "calibrateSizeByDeletes"
> ------------------------------------------------------------------------------------
>
>                 Key: SOLR-1444
>                 URL: https://issues.apache.org/jira/browse/SOLR-1444
>             Project: Solr
>          Issue Type: Improvement
>          Components: update
>    Affects Versions: 1.4
>         Environment: NA
>            Reporter: Jibo John
>            Priority: Minor
>
> A patch was committed in lucene  
> (http://issues.apache.org/jira/browse/LUCENE-1634) that would consider the 
> number of deleted documents as the criteria when deciding which segments to 
> merge.
> By default, calibrateSizeByDeletes = false in LogMergePolicy. So, currently, 
> there is no way in Solr to set calibrateSizeByDeletes = true.

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