Sannier Elodie created SOLR-4866:
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Summary: FieldCache insanity with field used as facet and group
Key: SOLR-4866
URL: https://issues.apache.org/jira/browse/SOLR-4866
Project: Solr
Issue Type: Bug
Reporter: Sannier Elodie
Priority: Minor
I am using the Lucene FieldCache with SolrCloud 4.2.1 and I have "insane"
instances for a field used as facet and group field.
schema fieldType & filed declaration for my
merchantid field :
<fieldType name="int" class="solr.TrieIntField" precisionStep="0"
sortMissingLast="true" omitNorms="true" positionIncrementGap="0"/>
<field name="merchantid" type="int" indexed="true" stored="true"
required="true"/>
The mbean stats output shows the field cache insanity after executing queries
like :
/select?q=*:*&facet=true&facet.field=merchantid
/select?q=*:*&group=true&group.field=merchantid
<int name="insanity_count">25</int>
<str name="insanity#0">VALUEMISMATCH: Multiple distinct value objects for
SegmentCoreReader(owner=_1z1(4.2.1):C3916)+merchantid
'SegmentCoreReader(owner=_1z1(4.2.1):C3916)'=>'merchantid',class
org.apache.lucene.index.SortedDocValues,0.5=>org.apache.lucene.search.FieldCacheImpl$SortedDocValuesImpl#1517585400
'SegmentCoreReader(owner=_1z1(4.2.1):C3916)'=>'merchantid',int,org.apache.lucene.search.FieldCache.NUMERIC_UTILS_INT_PARSER=>org.apache.lucene.search.FieldCacheImpl$IntsFromArray#781169939
'SegmentCoreReader(owner=_1z1(4.2.1):C3916)'=>'merchantid',int,null=>org.apache.lucene.search.FieldCacheImpl$IntsFromArray#781169939
</str>
...
see http://markmail.org/thread/7gctyh6vn3eq5jso
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