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From "Shivender Devarakonda (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-2361) OutOfMemoryException while Indexing
Date Mon, 05 Apr 2010 22:22:28 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-2361?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12853562#action_12853562
] 

Shivender Devarakonda commented on LUCENE-2361:
-----------------------------------------------

I saw the following infostream ouptut when I started our product but after that there was
no infostream output and I saw the same OOM error again. Did I miss anything?

IFD [main]: setInfoStream deletionPolicy=org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy@1cbf655
IW 0 [main]: setInfoStream: dir=org.apache.lucene.store.SimpleFSDirectory@C:\Program Files
(x86)\CA Wily\Introscope9.0d595\traces\index autoCommit=false mergePolicy=org.apache.lucene.index.LogByteSizeMergePolicy@1996d53
mergeScheduler=org.apache.lucene.index.ConcurrentMergeScheduler@1d882b6 ramBufferSizeMB=16.0
maxBufferedDocs=-1 maxBuffereDeleteTerms=-1 maxFieldLength=10000 index=_2r5:c16187 _570:c40197
_7mt:c41371 _9yq:c42466 _cml:c45324 _fgk:c46186 _i63:c45931 _kz8:c46568 _ntr:c47071 _qiq:c46080
_qin:c18 _qip:c1 _qir:c4 _qit:c19 _qiv:c1 _qix:c51 _qiz:c2
IW 0 [main]: now flush at close
IW 0 [main]:   flush: segment=null docStoreSegment=null docStoreOffset=0 flushDocs=false flushDeletes=true
flushDocStores=false numDocs=0 numBufDelTerms=0
IW 0 [main]:   index before flush _2r5:c16187 _570:c40197 _7mt:c41371 _9yq:c42466 _cml:c45324
_fgk:c46186 _i63:c45931 _kz8:c46568 _ntr:c47071 _qiq:c46080 _qin:c18 _qip:c1 _qir:c4 _qit:c19
_qiv:c1 _qix:c51 _qiz:c2
IW 0 [main]: CMS: now merge
IW 0 [main]: CMS:   index: _2r5:c16187 _570:c40197 _7mt:c41371 _9yq:c42466 _cml:c45324 _fgk:c46186
_i63:c45931 _kz8:c46568 _ntr:c47071 _qiq:c46080 _qin:c18 _qip:c1 _qir:c4 _qit:c19 _qiv:c1
_qix:c51 _qiz:c2
IW 0 [main]: CMS:   no more merges pending; now return
IW 0 [main]: now call final commit()
IW 0 [main]: startCommit(): start sizeInBytes=0
IW 0 [main]:   skip startCommit(): no changes pending
IW 0 [main]: commit: pendingCommit == null; skip
IW 0 [main]: commit: done
IW 0 [main]: at close: _2r5:c16187 _570:c40197 _7mt:c41371 _9yq:c42466 _cml:c45324 _fgk:c46186
_i63:c45931 _kz8:c46568 _ntr:c47071 _qiq:c46080 _qin:c18 _qip:c1 _qir:c4 _qit:c19 _qiv:c1
_qix:c51 _qiz:c2





> OutOfMemoryException while Indexing
> -----------------------------------
>
>                 Key: LUCENE-2361
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2361
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Index
>    Affects Versions: 2.9.1
>         Environment: Windows
>            Reporter: Shivender Devarakonda
>
> Hi,
> We use lucene 2.9.1 version.
> We see the following OutOfMemory error in our environment, I think This is happening
at a significant high load. Have you observed this anytime? Please let me know your thoughts
on this.
> org.apache.lucene.index.MergePolicy$MergeException: java.lang.OutOfMemoryError: PermGen
space
> 	at org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:351)
> 	at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:315)
> Caused by: java.lang.OutOfMemoryError: PermGen space
> 	at java.lang.String.$$YJP$$intern(Native Method)
> 	at java.lang.String.intern(Unknown Source)
> 	at org.apache.lucene.util.SimpleStringInterner.intern(SimpleStringInterner.java:74)
> 	at org.apache.lucene.util.StringHelper.intern(StringHelper.java:36)
> 	at org.apache.lucene.index.FieldInfos.read(FieldInfos.java:356)
> 	at org.apache.lucene.index.FieldInfos.<init>(FieldInfos.java:71)
> 	at org.apache.lucene.index.SegmentReader$CoreReaders.<init>(SegmentReader.java:116)
> 	at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:638)
> 	at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:608)
> 	at org.apache.lucene.index.IndexWriter$ReaderPool.get(IndexWriter.java:686)
> 	at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4979)
> 	at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4614)
> 	at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:235)
> 	at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:291)

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