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From "Martijn van Groningen (JIRA)" <>
Subject [jira] [Created] (SOLR-2725) TieredMergePolicy and expungeDeletes behaviour
Date Sat, 20 Aug 2011 11:56:27 GMT
TieredMergePolicy and expungeDeletes behaviour

                 Key: SOLR-2725
             Project: Solr
          Issue Type: Bug
    Affects Versions: 3.3
            Reporter: Martijn van Groningen
             Fix For: 3.4, 4.0

During executing a commit with expungeDeletes I noticed there were still a lot of segments
My solconfig.xml (that uses TieredMergePolicy, b/c luceneMatchVersion=3.3) contained:
However there were still ~30 segments left with deletes after the commit finished.

After looking in SolrIndexConfig class I noticed that TieredMergePolicy#setMaxMergeAtOnceExplicit
TieredMergePolicy#setExpungeDeletesPctAllowed aren't invoked.
I think the following statements should be added to the SolrIndexConfig#buildMergePolicy method:
I think these changes should reflect the behavior of Solr 3.1 / 3.2

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