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From adfel70 <>
Subject getting frequent CorruptIndexException and inconsistent data though core is active
Date Wed, 06 May 2015 13:40:52 GMT
I'm getting org.apache.lucene.index.CorruptIndexException 
liveDocs.count()=2000699 info.docCount()=2047904 info.getDelCount()=47207

This just happened for the 4th time in 2 weeks.
each time this happens in another core, usually when a replica tries to
recover, then it reports that it succeeded, and then the
CorruptIndexException  is thrown while trying to open searcher.

this core is marked as active and thus query can get redirected there and
this causes data inconsistency to users.
this occurs with solr 4.10.3, should be noted that I use nested docs.

ANOTHER problem is that replicas can get inconsistent number of docs with no
exception being reported.
This occurs usually when one of the replicas goes down during indexing. what
I end up getting is the leader being in an older version than the replicas
or having less docs than the replicas. switching leaders (stopping the
leader so that another replicas become the leader) does not fix the problem.

this occurs both in solr 4.10.3 and in solr 4.8

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