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From <nishesh.gu...@emc.com>
Subject RE: Index Corruption with Lucene 2.9.3
Date Tue, 15 Nov 2011 00:37:43 GMT
Thanks Uwe for your comments.

Few points to note for our setup -
1) At any time only one thread will be adding index and merging with the final index. Two
threads will not concurrently be doing addindex and merge.
2) In the current setup where I am seeing the corruption, only one process is working on the
final index, so network file system  flushing and consistency should not be an issue.
3) Since the index sizes are large and because of failover requirements we cannot have the
final index on local disk, it has to be on a filer.

Regards,
Nishesh


-----Original Message-----
From: Uwe Schindler [mailto:uwe@thetaphi.de]
Sent: Monday, November 14, 2011 2:39 PM
To: java-user@lucene.apache.org
Subject: RE: Index Corruption with Lucene 2.9.3

One addition:

Maybe you should update your antique Java version from the year 2007
(1.6.0_02) to something more up-to-date and maybe use 64 bit with mmap on a
local filesystem for such a large index.

-----
Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: uwe@thetaphi.de


> -----Original Message-----
> From: Uwe Schindler [mailto:uwe@thetaphi.de]
> Sent: Monday, November 14, 2011 11:33 PM
> To: java-user@lucene.apache.org
> Subject: RE: Index Corruption with Lucene 2.9.3
>
> Hi,
>
> In general it's a bad idea to use Lucene on network-mounted drives. E.g.,
NFS is
> heavily broken with the file locking used by Lucene (NIO does not work at
all,
> and file-based lock support fails because directory updated may not be
visible
> at all times, or are visible before files are flushed - happens-before is
violated).
>
> This can lead to index corruption; you should use local disks, especially
as they
> are much faster.
>
> -----
> Uwe Schindler
> H.-H.-Meier-Allee 63, D-28213 Bremen
> http://www.thetaphi.de
> eMail: uwe@thetaphi.de
>
>
> > -----Original Message-----
> > From: nishesh.gupta@emc.com [mailto:nishesh.gupta@emc.com]
> > Sent: Monday, November 14, 2011 10:37 PM
> > To: java-user@lucene.apache.org
> > Subject: Index Corruption with Lucene 2.9.3
> >
> > We are seeing Index corruption very often with version 2.9.3. Our
> > indexing process is on Linux ( centos 5 ). Index is created on a
> > mounted drive
> which is a
> > shared drive from Windows 2008 server running in a VM. We generally
> > see index corruption in merge or optimize after indexing runs
> > continuously for
> 6-7
> > hrs with index size reaching around 7-8GB. To reproduce the
> > corruptions sooner, I have placed the merge ( maybemerge ) call
> > immediately after addIndex is called. We have a final index which is
> > in the mounted drive,
> we
> > always add documents to an local intermediate index and then call add
> index
> > and merge to the final index.
> >
> > The exception that I get -
> >
> > 2011-11-11 15:19:16,929 [MC:10.10.176.148-1321045422606-204
> > FS:emag_393219_0] ERROR indexer  - MergeWithFiler: MC: 393219, shard
> > 0, guid 10.10.176.148-1321045422606-204: Error in
> > addIndex()/kazMaybeMerge():
> > /sideline/fs_393219/cas/search/index_0/primary, java.io.IOException:
> > background merge hit exception: _1t:c262436
> > _10.10.176.148-1321045422606-
> > 204_0:cx4000 into _1u [optimize] [mergeDocStores] % STACK:
> >      org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:2932)
> >      org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:2867)
> >      org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:2837)
> >
> > org.apache.lucene.index.IndexWriter.addIndexes(IndexWriter.java:3652)
> >
> > com.kazeon.search.indexingengine.context.MergerContext.mergeWithFilerI
> > nde
> > x(MergerContext.java:1004)
> >
> > com.kazeon.search.indexingengine.context.MergerContext.mergeWithFilerI
> > nde
> > x(MergerContext.java:1094)
> >
> > com.kazeon.search.indexingengine.context.MergerContext.mergeWithFiler(
> > Me
> > rgerContext.java:1140)
> >
> > com.kazeon.search.indexingengine.statemachine.modifiers.merger.LocalIn
> > dex
> >
> OptimizeAndCompressModifier.modifyStateAux(LocalIndexOptimizeAndCompr
> > essModifier.java:375)
> >
> > com.kazeon.search.indexingengine.statemachine.modifiers.merger.LocalIn
> > dex
> >
> OptimizeAndCompressModifier.mergeAllICs(LocalIndexOptimizeAndCompress
> > Modifier.java:181)
> >
> > com.kazeon.search.indexingengine.statemachine.modifiers.merger.LocalIn
> > dex
> >
> OptimizeAndCompressModifier.modifyState(LocalIndexOptimizeAndCompress
> > Modifier.java:106)
> >      com.kazeon.util.scoreboard.WorkerThread.run(WorkerThread.java:31)
> >
> >
> > CheckIndex command shows the following output -
> >
> > NOTE: testing will be more thorough if you run java with '-
> > ea:org.apache.lucene...', so assertions are enabled
> >
> > Opening index @ .
> >
> > Segments file=segments_23 numSegments=1
> version=FORMAT_DIAGNOSTICS
> > [Lucene 2.9]
> >   1 of 1: name=_1t docCount=262436
> >     compound=true
> >     hasProx=true
> >     numFiles=1
> >     size (MB)=937.835
> >     diagnostics = {optimize=true, mergeFactor=2,
> os.version=2.6.18-92.1.18.el5,
> > os=Linux, mergeDocStores=true, lucene.version=2.9.3-dev, source=merge,
> > os.arch=i386, java.version=1.6.0_02, java.vendor=Sun Microsystems Inc.}
> >     no deletions
> >     test: open reader.........OK
> >     test: fields..............OK [79 fields]
> >     test: field norms.........OK [79 fields]
> >     test: terms, freq, prox...ERROR [term fulltext:creativecommons:
> > doc
> 262603
> > >= maxDoc 262436]
> > java.lang.RuntimeException: term fulltext:creativecommons: doc 262603
> > >= maxDoc 262436
> >     at
> org.apache.lucene.index.CheckIndex.testTermIndex(CheckIndex.java:646)
> >     at
org.apache.lucene.index.CheckIndex.checkIndex(CheckIndex.java:530)
> >     at org.apache.lucene.index.CheckIndex.main(CheckIndex.java:903)
> >     test: stored fields.......OK [524872 total field count; avg 2
> > fields
> per doc]
> >     test: term vectors........OK [0 total vector count; avg 0
> > term/freq
> vector fields
> > per doc] FAILED
> >     WARNING: fixIndex() would remove reference to this segment; full
> > exception:
> > java.lang.RuntimeException: Term Index test failed
> >     at
org.apache.lucene.index.CheckIndex.checkIndex(CheckIndex.java:543)
> >     at org.apache.lucene.index.CheckIndex.main(CheckIndex.java:903)
> >
> > WARNING: 1 broken segments (containing 262436 documents) detected
> > WARNING: would write new segments file, and 262436 documents would be
> > lost, if -fix were specified
> >
> >
> >
> > Lucene Indexwriter infostream around the corrupt segment _1t shows -
> >
> > 9620 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > setInfoStream: dir=org.apache.lucene.store.S
> > impleFSDirectory@/cas/fs_589826/sideline/fs_393219/search/index_0/prim
> > ary
> > autoCommit=true mergePolicy=org.
> > apache.lucene.index.LogByteSizeMergePolicy@2ac02f<mailto:apache.lucene
> > .in
> > dex.LogByteSizeMergePolicy@2ac02f>
> > mergeScheduler=org.apache.lucene.index.ConcurrentMergeSc
> > heduler@af7be8 ramBufferSizeMB=16.0 maxBufferedDocs=-1
> > maxBuffereDeleteTerms=-1 maxFieldLength=10000 index      =_1s:c261077
> > 9621 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > setMaxBufferedDocs 10000
> > 9622 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > flush at addIndexes
> > 9623 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > flush: now pause all indexing threads
> > 9624 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > flush: segment=null docStoreSegment=null d      ocStoreOffset=0
> > flushDocs=false flushDeletes=true flushDocStores=false numDocs=0
> > numBufDelTerms=0
> > 9625 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > index before flush _1s:c261077
> > 9626 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> now
> > start transaction
> > 9627 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > flush at startTransaction
> > 9628 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > flush: now pause all indexing threads
> > 9629 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > flush: segment=null docStoreSegment=null d      ocStoreOffset=0
> > flushDocs=false flushDeletes=true flushDocStores=false numDocs=0
> > numBufDelTerms=0
> > 9630 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > index before flush _1s:c261077
> > 9631 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > optimize: index now _1s:c261077 _10.10.176.1      48-1321053007682-
> > 361_0:cx1359**
> > 9632 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > flush: now pause all indexing threads
> > 9633 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > flush: segment=null docStoreSegment=null d      ocStoreOffset=0
> > flushDocs=false flushDeletes=true flushDocStores=false numDocs=0
> > numBufDelTerms=0
> > 9634 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > index before flush _1s:c261077 _10.10.176.      148-1321053007682-
> > 361_0:cx1359**
> > 9635 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> add
> > merge to pendingMerges: _1s:c261077 _10.      10.176.148-1321053007682-
> > 361_0:cx1359 [optimize] [total 1 pending]
> > 9636 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS: now merge
> > 9637 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS:   index: _1s:c261077 _10.10.176.148-132
> 1053007682-361_0:cx1359**
> > 9638 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS:   consider merge _1s:c261077 _10.10.176      .148-1321053007682-
> > 361_0:cx1359 into _1t [optimize] [mergeDocStores]
> > 9639 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS:     launch new thread [Lucene Merge Thr      ead #0]
> > 9640 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS:   no more merges pending; now return
> > 9641 IW 130 [Lucene Merge Thread #0]: CMS:   merge thread: start
> > 9642 IW 130 [Lucene Merge Thread #0]: now merge
> > 9643   merge=_1s:c261077 _10.10.176.148-1321053007682-361_0:cx1359
> into
> > _1t [optimize] [mergeDocStores]
> > 9644
> >
> merge=org.apache.lucene.index.MergePolicy$OneMerge@116eedb<mailto:m
> > erge=org.apache.lucene.index.MergePolicy$OneMerge@116eedb>
> > 9645   index=_1s:c261077 _10.10.176.148-1321053007682-361_0:cx1359**
> > 9646 IW 130 [Lucene Merge Thread #0]: merging _1s:c261077
> _10.10.176.148-
> > 1321053007682-361_0:cx1359 into _1t [o      ptimize] [mergeDocStores]
> > 9647 IW 130 [Lucene Merge Thread #0]: merge: total 262436 docs
> > 9648 IW 130 [Lucene Merge Thread #0]: commitMerge: _1s:c261077
> > _10.10.176.148-1321053007682-361_0:cx1359 into _      1t [optimize]
> > [mergeDocStores] index=_1s:c261077 _10.10.176.148-1321053007682-
> > 361_0:cx1359**
> > 9649 IW 130 [Lucene Merge Thread #0]: commitMergeDeletes _1s:c261077
> > _10.10.176.148-1321053007682-361_0:cx1359       into _1t [optimize]
> > [mergeDocStores]
> > 9650 IFD [Lucene Merge Thread #0]: now checkpoint "segments_1u" [1
> > segments ; isCommit = false]
> > 9651 IFD [Lucene Merge Thread #0]: now checkpoint "segments_1u" [1
> > segments ; isCommit = false]
> > 9652 IFD [Lucene Merge Thread #0]: now checkpoint "segments_1u" [1
> > segments ; isCommit = false]
> > 9653 IFD [Lucene Merge Thread #0]: delete "_1t.fnm"
> > 9654 IFD [Lucene Merge Thread #0]: delete "_1t.frq"
> > 9655 IFD [Lucene Merge Thread #0]: delete "_1t.prx"
> > 9656 IFD [Lucene Merge Thread #0]: delete "_1t.tis"
> > 9657 IFD [Lucene Merge Thread #0]: delete "_1t.tii"
> > 9658 IFD [Lucene Merge Thread #0]: delete "_1t.nrm"
> > 9659 IFD [Lucene Merge Thread #0]: delete "_1t.fdx"
> > 9660 IFD [Lucene Merge Thread #0]: delete "_1t.fdt"
> > 9661 IW 130 [Lucene Merge Thread #0]: CMS:   merge thread: done
> > 9662 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> now
> > commit transaction
> > 9663 IFD [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]: now
> > checkpoint "segments_1u" [1 segments ; isCo      mmit = false]
> > 9664 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > startCommit(): start sizeInBytes=0
> > 9665 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > startCommit index=_1t:c262436 changeCount=4
> > 9666 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> now
> > sync _1t.cfs
> > 9667 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > done all syncs
> > 9668 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > commit: pendingCommit != null
> > 9669 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > commit: wrote segments file "segments_1v"
> > 9670 IFD [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]: now
> > checkpoint "segments_1v" [1 segments ; isCo      mmit = true]
> > 9671 IFD [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > deleteCommits: now decRef commit "segments_1u"
> > 9672 IFD [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> delete
> > "_1s.cfs"
> > 9673 IFD [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> delete
> > "segments_1u"
> > 9674 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > commit: done
> > 9675 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > LMP: findMerges: 1 segments
> > 9676 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > LMP:   level 8.242726 to 8.992726: 1 segment      s
> > 9677 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS: now merge
> > 9678 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS:   index: _1t:c262436
> > 9679 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS:   no more merges pending; now return
> > 9680 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> now
> > flush at close
> > 9681 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > flush: now pause all indexing threads
> > 9682 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > flush: segment=null docStoreSegment=null d      ocStoreOffset=0
> > flushDocs=false flushDeletes=true flushDocStores=false numDocs=0
> > numBufDelTerms=0
> > 9683 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > index before flush _1t:c262436
> > 9684 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS: now merge
> > 9685 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS:   index: _1t:c262436
> > 9686 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS:   no more merges pending; now return
> > 9687 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> now
> > call final commit()
> > 9688 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > startCommit(): start sizeInBytes=0
> > 9689 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > skip startCommit(): no changes pending
> > 9690 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > commit: pendingCommit == null; skip
> > 9691 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > commit: done
> > 9692 IW 130 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]: at
> > close: _1t:c262436
> > 9693 IFD [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > setInfoStream deletionPolicy=org.apache.lucene.
> >
> index.KeepOnlyLastCommitDeletionPolicy@28cdb8<mailto:index.KeepOnlyLas
> > t
> > CommitDeletionPolicy@28cdb8>
> > 9694 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > setInfoStream: dir=org.apache.lucene.store.S
> > impleFSDirectory@/cas/fs_589826/sideline/fs_393219/search/index_0/seco
> > nd
> > ary autoCommit=true mergePolicy=or
> > g.apache.lucene.index.LogByteSizeMergePolicy@da05c8<mailto:g.apache.lu
> > ce ne.index.LogByteSizeMergePolicy@da05c8>
> > mergeScheduler=org.apache.lucene.index.ConcurrentMerge
> > Scheduler@1b1c02b ramBufferSizeMB=16.0 maxBufferedDocs=-1
> > maxBuffereDeleteTerms=-1 maxFieldLength=10000 in      dex=_1s:c261077
> > 9695 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > setMaxBufferedDocs 10000
> > 9696 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > flush at addIndexes
> > 9697 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > flush: now pause all indexing threads
> > 9698 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > flush: segment=null docStoreSegment=null d      ocStoreOffset=0
> > flushDocs=false flushDeletes=true flushDocStores=false numDocs=0
> > numBufDelTerms=0
> > 9699 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > index before flush _1s:c261077
> > 9700 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> now
> > start transaction
> > 9701 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > flush at startTransaction
> > 9702 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > flush: now pause all indexing threads
> > 9703 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > flush: segment=null docStoreSegment=null d      ocStoreOffset=0
> > flushDocs=false flushDeletes=true flushDocStores=false numDocs=0
> > numBufDelTerms=0
> > 9704 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > index before flush _1s:c261077
> > 9705 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > optimize: index now _1s:c261077 _10.10.176.1      48-1321053007682-
> > 361_0:cx1359**
> > 9706 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > flush: now pause all indexing threads
> > 9707 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > flush: segment=null docStoreSegment=null d      ocStoreOffset=0
> > flushDocs=false flushDeletes=true flushDocStores=false numDocs=0
> > numBufDelTerms=0
> > 9708 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > index before flush _1s:c261077 _10.10.176.      148-1321053007682-
> > 361_0:cx1359**
> > 9709 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> add
> > merge to pendingMerges: _1s:c261077 _10.      10.176.148-1321053007682-
> > 361_0:cx1359 [optimize] [total 1 pending]
> > 9710 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS: now merge
> > 9711 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS:   index: _1s:c261077 _10.10.176.148-132
> 1053007682-361_0:cx1359**
> > 9712 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS:   consider merge _1s:c261077 _10.10.176      .148-1321053007682-
> > 361_0:cx1359 into _1t [optimize] [mergeDocStores]
> > 9713 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS:     launch new thread [Lucene Merge Thr      ead #0]
> > 9714 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS:   no more merges pending; now return
> > 9715 IW 131 [Lucene Merge Thread #0]: CMS:   merge thread: start
> > 9716 IW 131 [Lucene Merge Thread #0]: now merge
> > 9717   merge=_1s:c261077 _10.10.176.148-1321053007682-361_0:cx1359
> into
> > _1t [optimize] [mergeDocStores]
> > 9718
> >
> merge=org.apache.lucene.index.MergePolicy$OneMerge@15aa40f<mailto:me
> > rge=org.apache.lucene.index.MergePolicy$OneMerge@15aa40f>
> > 9719   index=_1s:c261077 _10.10.176.148-1321053007682-361_0:cx1359**
> > 9720 IW 131 [Lucene Merge Thread #0]: merging _1s:c261077
> _10.10.176.148-
> > 1321053007682-361_0:cx1359 into _1t [o      ptimize] [mergeDocStores]
> > 9721 IW 131 [Lucene Merge Thread #0]: merge: total 262436 docs
> > 9722 IW 131 [Lucene Merge Thread #0]: commitMerge: _1s:c261077
> > _10.10.176.148-1321053007682-361_0:cx1359 into _      1t [optimize]
> > [mergeDocStores] index=_1s:c261077 _10.10.176.148-1321053007682-
> > 361_0:cx1359**
> > 9723 IW 131 [Lucene Merge Thread #0]: commitMergeDeletes _1s:c261077
> > _10.10.176.148-1321053007682-361_0:cx1359       into _1t [optimize]
> > [mergeDocStores]
> > 9724 IFD [Lucene Merge Thread #0]: now checkpoint "segments_1u" [1
> > segments ; isCommit = false]
> > 9725 IFD [Lucene Merge Thread #0]: now checkpoint "segments_1u" [1
> > segments ; isCommit = false]
> > 9726 IFD [Lucene Merge Thread #0]: now checkpoint "segments_1u" [1
> > segments ; isCommit = false]
> > 9727 IFD [Lucene Merge Thread #0]: delete "_1t.fnm"
> > 9728 IFD [Lucene Merge Thread #0]: delete "_1t.frq"
> > 9729 IFD [Lucene Merge Thread #0]: delete "_1t.prx"
> > 9730 IFD [Lucene Merge Thread #0]: delete "_1t.tis"
> > 9731 IFD [Lucene Merge Thread #0]: delete "_1t.tii"
> > 9732 IFD [Lucene Merge Thread #0]: delete "_1t.nrm"
> > 9733 IFD [Lucene Merge Thread #0]: delete "_1t.fdx"
> > 9734 IFD [Lucene Merge Thread #0]: delete "_1t.fdt"
> > 9735 IW 131 [Lucene Merge Thread #0]: CMS:   merge thread: done
> > 9736 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> now
> > commit transaction
> > 9737 IFD [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]: now
> > checkpoint "segments_1u" [1 segments ; isCo      mmit = false]
> > 9738 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > startCommit(): start sizeInBytes=0
> > 9739 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > startCommit index=_1t:c262436 changeCount=4
> > 9740 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> now
> > sync _1t.cfs
> > 9741 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > done all syncs
> > 9742 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > commit: pendingCommit != null
> > 9743 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > commit: wrote segments file "segments_1v"
> > 9744 IFD [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]: now
> > checkpoint "segments_1v" [1 segments ; isCo      mmit = true]
> > 9745 IFD [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > deleteCommits: now decRef commit "segments_1u"
> > 9746 IFD [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> delete
> > "_1s.cfs"
> > 9747 IFD [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> delete
> > "segments_1u"
> > 9748 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > commit: done
> > 9749 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > LMP: findMerges: 1 segments
> > 9750 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > LMP:   level 7.2867203 to 8.03672: 1 segment      s
> > 9751 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS: now merge
> > 9752 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS:   index: _1t:c262436
> > 9753 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS:   no more merges pending; now return
> > 9754 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> now
> > flush at close
> > 9755 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > flush: now pause all indexing threads
> > 9756 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > flush: segment=null docStoreSegment=null d      ocStoreOffset=0
> > flushDocs=false flushDeletes=true flushDocStores=false numDocs=0
> > numBufDelTerms=0
> > 9757 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > index before flush _1t:c262436
> > 9758 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS: now merge
> > 9759 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS:   index: _1t:c262436
> > 9760 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > CMS:   no more merges pending; now return
> > 9761 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> now
> > call final commit()
> > 9762 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > startCommit(): start sizeInBytes=0
> > 9763 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > skip startCommit(): no changes pending
> > 9764 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > commit: pendingCommit == null; skip
> > 9765 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]:
> > commit: done
> > 9766 IW 131 [MC:10.10.176.148-1321053007682-361 FS:emag_393219_0]: at
> > close: _1t:c262436
> > 9767 IFD [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > setInfoStream deletionPolicy=org.apache.lucene.
> > index.KeepOnlyLastCommitDeletionPolicy@8506f9<mailto:index.KeepOnlyLas
> > t
> > CommitDeletionPolicy@8506f9>
> > 9768 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > setInfoStream: dir=org.apache.lucene.store.S
> > impleFSDirectory@/cas/fs_589826/sideline/fs_393219/search/index_0/prim
> > ary
> > autoCommit=true mergePolicy=org.
> >
> apache.lucene.index.LogByteSizeMergePolicy@18d0653<mailto:apache.lucene.
> > index.LogByteSizeMergePolicy@18d0653>
> > mergeScheduler=org.apache.lucene.index.ConcurrentMergeS
> > cheduler@19a5bf2 ramBufferSizeMB=16.0 maxBufferedDocs=-1
> > maxBuffereDeleteTerms=-1 maxFieldLength=10000 ind      ex=_1t:c262436
> > 9769 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > setMaxBufferedDocs 10000
> > 9770 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > flush at addIndexes
> > 9771 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > flush: now pause all indexing threads
> > 9772 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > flush: segment=null docStoreSegment=null d      ocStoreOffset=0
> > flushDocs=false flushDeletes=true flushDocStores=false numDocs=0
> > numBufDelTerms=0
> > 9773 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > index before flush _1t:c262436
> > 9774 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> now
> > start transaction
> > 9775 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > flush at startTransaction
> > 9776 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > flush: now pause all indexing threads
> > 9777 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > flush: segment=null docStoreSegment=null d      ocStoreOffset=0
> > flushDocs=false flushDeletes=true flushDocStores=false numDocs=0
> > numBufDelTerms=0
> > 9778 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > index before flush _1t:c262436
> > 9779 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > optimize: index now _1t:c262436 _10.10.176.1      48-1321045422606-
> > 204_0:cx4000**
> > 9780 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > flush: now pause all indexing threads
> > 9781 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > flush: segment=null docStoreSegment=null d      ocStoreOffset=0
> > flushDocs=false flushDeletes=true flushDocStores=false numDocs=0
> > numBufDelTerms=0
> > 9782 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > index before flush _1t:c262436 _10.10.176.      148-1321045422606-
> > 204_0:cx4000**
> > 9783 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> add
> > merge to pendingMerges: _1t:c262436 _10.      10.176.148-1321045422606-
> > 204_0:cx4000 [optimize] [total 1 pending]
> > 9784 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > CMS: now merge
> > 9785 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > CMS:   index: _1t:c262436 _10.10.176.148-132
> 1045422606-204_0:cx4000**
> > 9786 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > CMS:   consider merge _1t:c262436 _10.10.176      .148-1321045422606-
> > 204_0:cx4000 into _1u [optimize] [mergeDocStores]
> > 9787 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > CMS:     launch new thread [Lucene Merge Thr      ead #0]
> > 9788 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > CMS:   no more merges pending; now return
> > 9789 IW 132 [Lucene Merge Thread #0]: CMS:   merge thread: start
> > 9790 IW 132 [Lucene Merge Thread #0]: now merge
> > 9791   merge=_1t:c262436 _10.10.176.148-1321045422606-204_0:cx4000
> into
> > _1u [optimize] [mergeDocStores]
> > 9792
> >
> merge=org.apache.lucene.index.MergePolicy$OneMerge@3b0c25<mailto:mer
> > ge=org.apache.lucene.index.MergePolicy$OneMerge@3b0c25>
> > 9793   index=_1t:c262436 _10.10.176.148-1321045422606-204_0:cx4000**
> > 9794 IW 132 [Lucene Merge Thread #0]: merging _1t:c262436
> _10.10.176.148-
> > 1321045422606-204_0:cx4000 into _1u [o      ptimize] [mergeDocStores]
> > 9795 IW 132 [Lucene Merge Thread #0]: merge: total 266436 docs
> > 9796 IW 132 [Lucene Merge Thread #0]: handleMergeException:
> > merge=_1t:c262436 _10.10.176.148-1321045422606-204_      0:cx4000 into
> > _1u [optimize] [mergeDocStores]
> > exc=org.apache.lucene.index.CorruptIndexException: docs out       of
order
> > (262439 <= 2096427 )
> > 9797 IW 132 [Lucene Merge Thread #0]: hit exception during merge
> > 9798 IFD [Lucene Merge Thread #0]: refresh [prefix=_1u]: removing
> > newly created unreferenced file "_1u.fdt"
> > 9799 IFD [Lucene Merge Thread #0]: delete "_1u.fdt"
> > 9800 IFD [Lucene Merge Thread #0]: refresh [prefix=_1u]: removing
> > newly created unreferenced file "_1u.fdx"
> > 9801 IFD [Lucene Merge Thread #0]: delete "_1u.fdx"
> > 9802 IFD [Lucene Merge Thread #0]: refresh [prefix=_1u]: removing
> > newly created unreferenced file "_1u.fnm"
> > 9803 IFD [Lucene Merge Thread #0]: delete "_1u.fnm"
> > 9804 IFD [Lucene Merge Thread #0]: refresh [prefix=_1u]: removing
> > newly created unreferenced file "_1u.frq"
> > 9805 IFD [Lucene Merge Thread #0]: delete "_1u.frq"
> > 9806 IFD [Lucene Merge Thread #0]: refresh [prefix=_1u]: removing
> > newly created unreferenced file "_1u.prx"
> > 9807 IFD [Lucene Merge Thread #0]: delete "_1u.prx"
> > 9808 IFD [Lucene Merge Thread #0]: refresh [prefix=_1u]: removing
> > newly created unreferenced file "_1u.tii"
> > 9809 IFD [Lucene Merge Thread #0]: delete "_1u.tii"
> > 9810 IFD [Lucene Merge Thread #0]: refresh [prefix=_1u]: removing
> > newly created unreferenced file "_1u.tis"
> > 9811 IFD [Lucene Merge Thread #0]: delete "_1u.tis"
> > 9812 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> now
> > rollback transaction
> > 9813 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> all
> > running merges have aborted
> > 9814 IFD [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]: now
> > checkpoint "segments_1v" [1 segments ; isCo      mmit = false]
> > 9815 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> now
> > flush at close
> > 9816 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > flush: now pause all indexing threads
> > 9817 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > flush: segment=null docStoreSegment=null d      ocStoreOffset=0
> > flushDocs=false flushDeletes=true flushDocStores=false numDocs=0
> > numBufDelTerms=0
> > 9818 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > index before flush _1t:c262436
> > 9819 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > CMS: now merge
> > 9820 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > CMS:   index: _1t:c262436
> > 9821 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > CMS:   no more merges pending; now return
> > 9822 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> now
> > call final commit()
> > 9823 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > startCommit(): start sizeInBytes=0
> > 9824 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > startCommit index=_1t:c262436 changeCount=1
> > 9825 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > done all syncs
> > 9826 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > commit: pendingCommit != null
> > 9827 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > commit: wrote segments file "segments_1w"
> > 9828 IFD [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]: now
> > checkpoint "segments_1w" [1 segments ; isCo      mmit = true]
> > 9829 IFD [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > deleteCommits: now decRef commit "segments_1v"
> > 9830 IFD [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> delete
> > "segments_1v"
> > 9831 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > commit: done
> > 9832 IW 132 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]: at
> > close: _1t:c262436
> > 9833 IFD [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > setInfoStream deletionPolicy=org.apache.lucene.
> >
> index.KeepOnlyLastCommitDeletionPolicy@1ec4b8e<mailto:index.KeepOnlyLa
> > s
> > tCommitDeletionPolicy@1ec4b8e>
> > 9834 IW 133 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > setInfoStream: dir=org.apache.lucene.store.S
> > impleFSDirectory@/cas/fs_589826/sideline/fs_393219/search/index_0/prim
> > ary
> > autoCommit=true mergePolicy=org.
> > apache.lucene.index.LogByteSizeMergePolicy@546a0e<mailto:apache.lucene
> > .i
> > ndex.LogByteSizeMergePolicy@546a0e>
> > mergeScheduler=org.apache.lucene.index.ConcurrentMergeSc
> > heduler@1fef5b8 ramBufferSizeMB=16.0 maxBufferedDocs=-1
> > maxBuffereDeleteTerms=-1 maxFieldLength=10000 inde      x=_1t:c262436
> > 9835 IW 133 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > setMaxBufferedDocs 10000
> > 9836 IW 133 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > flush at addIndexes
> > 9837 IW 133 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > flush: now pause all indexing threads
> > 9838 IW 133 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > flush: segment=null docStoreSegment=null d      ocStoreOffset=0
> > flushDocs=false flushDeletes=true flushDocStores=false numDocs=0
> > numBufDelTerms=0
> > 9839 IW 133 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> > index before flush _1t:c262436
> > 9840 IW 133 [MC:10.10.176.148-1321045422606-204 FS:emag_393219_0]:
> now
> > start transaction
>
>
> ---------------------------------------------------------------------
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