lucene-java-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Peter Keegan <peterlkee...@gmail.com>
Subject Re: IndexWriter.getReader.getVersion behavior
Date Fri, 26 Feb 2010 20:26:11 GMT
Can  IW.waitForMerges be called between 'prepareCommit' and 'commit'? That's
when the app calls 'getReader' to create external data.

Peter

On Fri, Feb 26, 2010 at 3:15 PM, Peter Keegan <peterlkeegan@gmail.com>wrote:

> Great, I'll give it a try.
> Thanks!
>
>
> On Fri, Feb 26, 2010 at 3:11 PM, Michael McCandless <
> lucene@mikemccandless.com> wrote:
>
>> Note that it's a BG merge (not commit)...
>>
>> You can use the new (as of 2.9 I think) IndexWriter.waitForMerges API?
>>  If you call that, then call .getReader().getVersion(), then close &
>> open the writer, I think (but you better test to be sure!) the next
>> .getReader().getVersion() should always match.
>>
>> Mike
>>
>> On Fri, Feb 26, 2010 at 2:40 PM, Peter Keegan <peterlkeegan@gmail.com>
>> wrote:
>> > Is there a way for the application to wait for the BG commit to finish
>> > before it calls IW.close? If so, would this prevent the extra version?
>> The
>> > extra version causes the app. to think that the external data it
>> committed
>> > is out of synch with the index, which requires the app to do extra
>> > processing to re-synch.
>> >
>> > Thanks,
>> > Peter
>> >
>> >
>> > On Fri, Feb 26, 2010 at 12:40 PM, Michael McCandless <
>> > lucene@mikemccandless.com> wrote:
>> >
>> >> OK -- I can now see what happened.
>> >>
>> >> There was a merge still running, when you called IW.commit (Lucene
>> >> Merge Thread #0).  Because IW.commit does not wait for BG merges to
>> >> finish, but IW.close does (by default), this means you'll pick up an
>> >> extra version whenever a merge is running when you call close.
>> >>
>> >> Mike
>> >>
>> >> On Thu, Feb 25, 2010 at 2:52 PM, Peter Keegan <peterlkeegan@gmail.com>
>> >> wrote:
>> >> > I'm pretty sure this output occurred when the version number skipped
>> +1.
>> >> > The line containing '============'. separates the close/open
>> IndexWriter.
>> >> >
>> >> > IFD [Indexer]: setInfoStream
>> >> >
>> >>
>> deletionPolicy=org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy@646f9dd9
>> >> > IW 9 [Indexer]: setInfoStream:
>> >> > dir=org.apache.lucene.store.SimpleFSDirectory@<obfuscated
>> >> > pathname>\lresumes1.search.main.1 autoCommit=false
>> >> >
>> >>
>> mergePolicy=org.apache.lucene.index.LogByteSizeMergePolicy@5be44512mergeScheduler
>> >>
>> =org.apache.lucene.index.ConcurrentMergeScheduler@6772cfdframBufferSizeMB
>> >> =16.0
>> >> > maxBufferedDocs=-1 maxBuffereDeleteTerms=-1
>> >> > maxFieldLength=100000 index=_a:C9780 _b:C1204->_b _c:C717->_b
>> >> _d:C1220->_d
>> >> > _e:C778->_d _f:C1173->_f _g:C858->_f _h:C1291->_h _i:C703->_h
>> >> > IW 9 [Indexer]: flush at getReader
>> >> > IW 9 [Indexer]:   flush: segment=null docStoreSegment=null
>> >> docStoreOffset=0
>> >> > flushDocs=false flushDeletes=true flushDocStores=false numDocs=0
>> >> > numBufDelTerms=0
>> >> > IW 9 [Indexer]:   index before flush _a:C9780 _b:C1204->_b
>> _c:C717->_b
>> >> > _d:C1220->_d _e:C778->_d _f:C1173->_f _g:C858->_f _h:C1291->_h
>> >> _i:C703->_h
>> >> > IW 9 [UpdWriterBuild : 9]: DW:   RAM: now flush @ usedMB=15.816
>> >> > allocMB=15.816 deletesMB=0.203 triggerMB=16
>> >> > IW 9 [UpdWriterBuild : 9]:   flush: segment=_j docStoreSegment=_j
>> >> > docStoreOffset=0 flushDocs=true flushDeletes=false
>> flushDocStores=false
>> >> > numDocs=1456 numBufDelTerms=1456
>> >> > IW 9 [UpdWriterBuild : 9]:   index before flush _a:C9780 _b:C1204->_b
>> >> > _c:C717->_b _d:C1220->_d _e:C778->_d _f:C1173->_f _g:C858->_f
>> >> _h:C1291->_h
>> >> > _i:C703->_h
>> >> > IW 9 [UpdWriterBuild : 9]: DW: flush postings as segment _j
>> numDocs=1456
>> >> > IW 9 [UpdWriterBuild : 9]: DW:   oldRAMSize=16584704
>> >> newFlushedSize=4969789
>> >> > docs/MB=307.202 new/old=29.966%
>> >> > IFD [UpdWriterBuild : 9]: now checkpoint "segments_b" [10 segments
;
>> >> > isCommit = false]
>> >> > IFD [UpdWriterBuild : 9]: now checkpoint "segments_b" [10 segments
;
>> >> > isCommit = false]
>> >> > IW 9 [UpdWriterBuild : 9]: LMP: findMerges: 10 segments
>> >> > IW 9 [UpdWriterBuild : 9]: LMP:   level 6.863048 to 7.613048: 1
>> segments
>> >> > IW 9 [UpdWriterBuild : 9]: LMP:   level 6.2247195 to 6.696363: 9
>> segments
>> >> > IW 9 [UpdWriterBuild : 9]: CMS: now merge
>> >> > IW 9 [UpdWriterBuild : 9]: CMS:   index: _a:C9780 _b:C1204->_b
>> >> _c:C717->_b
>> >> > _d:C1220->_d _e:C778->_d _f:C1173->_f _g:C858->_f _h:C1291->_h
>> >> _i:C703->_h
>> >> > _j:C1456->_j
>> >> > IW 9 [UpdWriterBuild : 9]: CMS:   no more merges pending; now return
>> >> > IW 9 [Indexer]: prepareCommit: flush
>> >> > IW 9 [Indexer]:   flush: segment=_k docStoreSegment=_j
>> >> docStoreOffset=1456
>> >> > flushDocs=true flushDeletes=true flushDocStores=true numDocs=509
>> >> > numBufDelTerms=509
>> >> > IW 9 [Indexer]:   index before flush _a:C9780 _b:C1204->_b
>> _c:C717->_b
>> >> > _d:C1220->_d _e:C778->_d _f:C1173->_f _g:C858->_f _h:C1291->_h
>> >> _i:C703->_h
>> >> > _j:C1456->_j
>> >> > IW 9 [Indexer]:   flush shared docStore segment _j
>> >> > IW 9 [Indexer]: DW: closeDocStore: 2 files to flush to segment _j
>> >> > numDocs=1965
>> >> > IW 9 [Indexer]: DW: flush postings as segment _k numDocs=509
>> >> > IW 9 [Indexer]: DW:   oldRAMSize=7483392 newFlushedSize=1854970
>> >> > docs/MB=287.727 new/old=24.788%
>> >> > IFD [Indexer]: now checkpoint "segments_b" [11 segments ; isCommit
=
>> >> false]
>> >> > IW 9 [Indexer]: DW: apply 1965 buffered deleted terms and 0 deleted
>> >> docIDs
>> >> > and 0 deleted queries on 11 segments.
>> >> > IFD [Indexer]: now checkpoint "segments_b" [11 segments ; isCommit
=
>> >> false]
>> >> > IW 9 [Indexer]: LMP: findMerges: 11 segments
>> >> > IW 9 [Indexer]: LMP:   level 6.863048 to 7.613048: 1 segments
>> >> > IW 9 [Indexer]: LMP:   level 6.2247195 to 6.696363: 10 segments
>> >> > IW 9 [Indexer]: LMP:     1 to 11: add this merge
>> >> > IW 9 [Indexer]: add merge to pendingMerges: _b:C1204->_b _c:C717->_b
>> >> > _d:C1220->_d _e:C778->_d _f:C1173->_f _g:C858->_f _h:C1291->_h
>> >> _i:C703->_h
>> >> > _j:C1456->_j _k:C509->_j [total 1 pending]
>> >> > IW 9 [Indexer]: CMS: now merge
>> >> > IW 9 [Indexer]: CMS:   index: _a:C9780 _b:C1204->_b _c:C717->_b
>> >> _d:C1220->_d
>> >> > _e:C778->_d _f:C1173->_f _g:C858->_f _h:C1291->_h _i:C703->_h
>> >> _j:C1456->_j
>> >> > _k:C509->_j
>> >> > IW 9 [Indexer]: CMS:   consider merge _b:C1204->_b _c:C717->_b
>> >> _d:C1220->_d
>> >> > _e:C778->_d _f:C1173->_f _g:C858->_f _h:C1291->_h _i:C703->_h
>> >> _j:C1456->_j
>> >> > _k:C509->_j into _l [mergeDocStores]
>> >> > IW 9 [Indexer]: CMS:     launch new thread [Lucene Merge Thread #0]
>> >> > IW 9 [Indexer]: CMS:   no more merges pending; now return
>> >> > IW 9 [Indexer]: startCommit(): start sizeInBytes=0
>> >> > IW 9 [Indexer]: startCommit index=_a:C9780 _b:C1204->_b _c:C717->_b
>> >> > _d:C1220->_d _e:C778->_d _f:C1173->_f _g:C858->_f _h:C1291->_h
>> >> _i:C703->_h
>> >> > _j:C1456->_j _k:C509->_j changeCount=7
>> >> > IW 9 [Lucene Merge Thread #0]: CMS:   merge thread: start
>> >> > IW 9 [Indexer]: now sync _k.fnm
>> >> > IW 9 [Lucene Merge Thread #0]: now merge
>> >> >  merge=_b:C1204->_b _c:C717->_b _d:C1220->_d _e:C778->_d
_f:C1173->_f
>> >> > _g:C858->_f _h:C1291->_h _i:C703->_h _j:C1456->_j _k:C509->_j
into _l
>> >> > [mergeDocStores]
>> >> >  merge=org.apache.lucene.index.MergePolicy$OneMerge@5203ef34
>> >> >  index=_a:C9780 _b:C1204->_b _c:C717->_b _d:C1220->_d _e:C778->_d
>> >> > _f:C1173->_f _g:C858->_f _h:C1291->_h _i:C703->_h _j:C1456->_j
>> >> _k:C509->_j
>> >> > IW 9 [Lucene Merge Thread #0]: merging _b:C1204->_b _c:C717->_b
>> >> _d:C1220->_d
>> >> > _e:C778->_d _f:C1173->_f _g:C858->_f _h:C1291->_h _i:C703->_h
>> >> _j:C1456->_j
>> >> > _k:C509->_j into _l [mergeDocStores]
>> >> > IW 9 [Indexer]: now sync _k.tii
>> >> > IW 9 [Indexer]: now sync _k.tis
>> >> > IW 9 [Lucene Merge Thread #0]: merge: total 9909 docs
>> >> > IW 9 [Indexer]: now sync _j.tis
>> >> > IW 9 [Indexer]: now sync _j.tii
>> >> > IW 9 [Indexer]: now sync _j.fdx
>> >> > IW 9 [Indexer]: now sync _j.fdt
>> >> > IW 9 [Indexer]: now sync _k.prx
>> >> > IW 9 [Indexer]: now sync _k.nrm
>> >> > IW 9 [Indexer]: now sync _j.nrm
>> >> > IW 9 [Indexer]: now sync _j.prx
>> >> > IW 9 [Indexer]: now sync _j.fnm
>> >> > IW 9 [Indexer]: now sync _k.frq
>> >> > IW 9 [Indexer]: now sync _j.frq
>> >> > IW 9 [Indexer]: done all syncs
>> >> > IW 9 [Indexer]: flush at getReader
>> >> > IW 9 [Indexer]:   flush: segment=null docStoreSegment=_k
>> docStoreOffset=0
>> >> > flushDocs=false flushDeletes=true flushDocStores=true numDocs=0
>> >> > numBufDelTerms=0
>> >> > IW 9 [Indexer]:   index before flush _a:C9780 _b:C1204->_b
>> _c:C717->_b
>> >> > _d:C1220->_d _e:C778->_d _f:C1173->_f _g:C858->_f _h:C1291->_h
>> >> _i:C703->_h
>> >> > _j:C1456->_j _k:C509->_j
>> >> > IW 9 [Indexer]:   flush shared docStore segment _k
>> >> > IW 9 [Indexer]: DW: closeDocStore: 0 files to flush to segment _k
>> >> numDocs=0
>> >> > IW 9 [Indexer]: commit: start
>> >> > IW 9 [Indexer]: commit: already prepared
>> >> > IW 9 [Indexer]: commit: pendingCommit != null
>> >> > IW 9 [Indexer]: commit: wrote segments file "segments_c"
>> >> > IFD [Indexer]: now checkpoint "segments_c" [11 segments ; isCommit
=
>> >> true]
>> >> > IFD [Indexer]: deleteCommits: now decRef commit "segments_b"
>> >> > IFD [Indexer]: delete "segments_b"
>> >> > IW 9 [Indexer]: commit: done
>> >> > IW 9 [Indexer]: flush at getReader
>> >> > IW 9 [Indexer]:   flush: segment=null docStoreSegment=null
>> >> docStoreOffset=0
>> >> > flushDocs=false flushDeletes=true flushDocStores=false numDocs=0
>> >> > numBufDelTerms=0
>> >> > IW 9 [Indexer]:   index before flush _a:C9780 _b:C1204->_b
>> _c:C717->_b
>> >> > _d:C1220->_d _e:C778->_d _f:C1173->_f _g:C858->_f _h:C1291->_h
>> >> _i:C703->_h
>> >> > _j:C1456->_j _k:C509->_j
>> >> > IW 9 [Indexer]: now flush at close
>> >> > IW 9 [Indexer]:   flush: segment=null docStoreSegment=null
>> >> docStoreOffset=0
>> >> > flushDocs=false flushDeletes=true flushDocStores=false numDocs=0
>> >> > numBufDelTerms=0
>> >> > IW 9 [Indexer]:   index before flush _a:C9780 _b:C1204->_b
>> _c:C717->_b
>> >> > _d:C1220->_d _e:C778->_d _f:C1173->_f _g:C858->_f _h:C1291->_h
>> >> _i:C703->_h
>> >> > _j:C1456->_j _k:C509->_j
>> >> > IW 9 [Indexer]: CMS: now merge
>> >> > IW 9 [Indexer]: CMS:   index: _a:C9780 _b:C1204->_b _c:C717->_b
>> >> _d:C1220->_d
>> >> > _e:C778->_d _f:C1173->_f _g:C858->_f _h:C1291->_h _i:C703->_h
>> >> _j:C1456->_j
>> >> > _k:C509->_j
>> >> > IW 9 [Indexer]: CMS:   no more merges pending; now return
>> >> > IW 9 [Lucene Merge Thread #0]: commitMerge: _b:C1204->_b _c:C717->_b
>> >> > _d:C1220->_d _e:C778->_d _f:C1173->_f _g:C858->_f _h:C1291->_h
>> >> _i:C703->_h
>> >> > _j:C1456->_j _k:C509->_j into _l [mergeDocStores] index=_a:C9780
>> >> > _b:C1204->_b _c:C717->_b _d:C1220->_d _e:C778->_d _f:C1173->_f
>> >> _g:C858->_f
>> >> > _h:C1291->_h _i:C703->_h _j:C1456->_j _k:C509->_j
>> >> > IW 9 [Lucene Merge Thread #0]: commitMergeDeletes _b:C1204->_b
>> >> _c:C717->_b
>> >> > _d:C1220->_d _e:C778->_d _f:C1173->_f _g:C858->_f _h:C1291->_h
>> >> _i:C703->_h
>> >> > _j:C1456->_j _k:C509->_j into _l [mergeDocStores]
>> >> > IFD [Lucene Merge Thread #0]: now checkpoint "segments_c" [2 segments
>> ;
>> >> > isCommit = false]
>> >> > IFD [Lucene Merge Thread #0]: now checkpoint "segments_c" [2 segments
>> ;
>> >> > isCommit = false]
>> >> > IW 9 [Lucene Merge Thread #0]: CMS:   merge thread: done
>> >> > IW 9 [Indexer]: now call final commit()
>> >> > IW 9 [Indexer]: startCommit(): start sizeInBytes=0
>> >> > IW 9 [Indexer]: startCommit index=_a:C9780 _l:C9909 changeCount=8
>> >> > IW 9 [Indexer]: now sync _l.nrm
>> >> > IW 9 [Indexer]: now sync _l.fnm
>> >> > IW 9 [Indexer]: now sync _l.prx
>> >> > IW 9 [Indexer]: now sync _l.frq
>> >> > IW 9 [Indexer]: now sync _l.tis
>> >> > IW 9 [Indexer]: now sync _l.fdx
>> >> > IW 9 [Indexer]: now sync _l.fdt
>> >> > IW 9 [Indexer]: now sync _l.tii
>> >> > IW 9 [Indexer]: done all syncs
>> >> > IW 9 [Indexer]: commit: pendingCommit != null
>> >> > IW 9 [Indexer]: commit: wrote segments file "segments_d"
>> >> > IFD [Indexer]: now checkpoint "segments_d" [2 segments ; isCommit =
>> true]
>> >> > IFD [Indexer]: deleteCommits: now decRef commit "segments_c"
>> >> > IFD [Indexer]: delete "_h.prx"
>> >> > IFD [Indexer]: delete "_f.tis"
>> >> > IFD [Indexer]: delete "_g.tis"
>> >> > IFD [Indexer]: delete "_d.tii"
>> >> > IFD [Indexer]: delete "_e.frq"
>> >> > IFD [Indexer]: delete "_k.fnm"
>> >> > IFD [Indexer]: delete "_c.tii"
>> >> > IFD [Indexer]: delete "_h.nrm"
>> >> > IFD [Indexer]: delete "_i.tis"
>> >> > IFD [Indexer]: delete "_k.tii"
>> >> > IFD [Indexer]: delete "_h.fdt"
>> >> > IFD [Indexer]: delete "_c.tis"
>> >> > IFD [Indexer]: delete "_g.tii"
>> >> > IFD [Indexer]: delete "_h.fdx"
>> >> > IFD [Indexer]: delete "_c.nrm"
>> >> > IFD [Indexer]: delete "_i.tii"
>> >> > IFD [Indexer]: delete "_d.tis"
>> >> > IFD [Indexer]: delete "_f.tii"
>> >> > IFD [Indexer]: delete "_e.fnm"
>> >> > IFD [Indexer]: delete "_k.tis"
>> >> > IFD [Indexer]: delete "_d.frq"
>> >> > IFD [Indexer]: delete "_f.nrm"
>> >> > IFD [Indexer]: delete "_h.fnm"
>> >> > IFD [Indexer]: delete "segments_c"
>> >> > IFD [Indexer]: delete "_c.prx"
>> >> > IFD [Indexer]: delete "_d.fnm"
>> >> > IFD [Indexer]: delete "_h.frq"
>> >> > IFD [Indexer]: delete "_h.tis"
>> >> > IFD [Indexer]: delete "_f.fdt"
>> >> > IFD [Indexer]: delete "_j.tis"
>> >> > IFD [Indexer]: delete "_f.fdx"
>> >> > IFD [Indexer]: delete "_g.nrm"
>> >> > IFD [Indexer]: delete "_f.prx"
>> >> > IFD [Indexer]: delete "_j.tii"
>> >> > IFD [Indexer]: delete "_h.tii"
>> >> > IFD [Indexer]: delete "_e.prx"
>> >> > IFD [Indexer]: delete "_c.frq"
>> >> > IFD [Indexer]: delete "_i.prx"
>> >> > IFD [Indexer]: delete "_j.fdx"
>> >> > IFD [Indexer]: delete "_i.nrm"
>> >> > IFD [Indexer]: delete "_j.fdt"
>> >> > IFD [Indexer]: delete "_k.prx"
>> >> > IFD [Indexer]: delete "_b.nrm"
>> >> > IFD [Indexer]: delete "_e.tis"
>> >> > IFD [Indexer]: delete "_e.tii"
>> >> > IFD [Indexer]: delete "_g.fnm"
>> >> > IFD [Indexer]: delete "_k.nrm"
>> >> > IFD [Indexer]: delete "_j.nrm"
>> >> > IFD [Indexer]: delete "_j.prx"
>> >> > IFD [Indexer]: delete "_e.nrm"
>> >> > IFD [Indexer]: delete "_g.prx"
>> >> > IFD [Indexer]: delete "_b.prx"
>> >> > IFD [Indexer]: delete "_i.frq"
>> >> > IFD [Indexer]: delete "_b.tis"
>> >> > IFD [Indexer]: delete "_d.prx"
>> >> > IFD [Indexer]: delete "_g.frq"
>> >> > IFD [Indexer]: delete "_d.fdx"
>> >> > IFD [Indexer]: delete "_b.tii"
>> >> > IFD [Indexer]: delete "_b.frq"
>> >> > IFD [Indexer]: delete "_d.fdt"
>> >> > IFD [Indexer]: delete "_f.fnm"
>> >> > IFD [Indexer]: delete "_j.fnm"
>> >> > IFD [Indexer]: delete "_b.fnm"
>> >> > IFD [Indexer]: delete "_d.nrm"
>> >> > IFD [Indexer]: delete "_b.fdt"
>> >> > IFD [Indexer]: delete "_k.frq"
>> >> > IFD [Indexer]: delete "_c.fnm"
>> >> > IFD [Indexer]: delete "_j.frq"
>> >> > IFD [Indexer]: delete "_i.fnm"
>> >> > IFD [Indexer]: delete "_f.frq"
>> >> > IFD [Indexer]: delete "_b.fdx"
>> >> > IW 9 [Indexer]: commit: done
>> >> > IW 9 [Indexer]: at close: _a:C9780 _l:C9909
>> >> >
>> >> > =====================================================
>> >> >
>> >> > IFD [Indexer]: setInfoStream
>> >> >
>> >>
>> deletionPolicy=org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy@68d349c1
>> >> > IW 10 [Indexer]: setInfoStream:
>> >> > dir=org.apache.lucene.store.SimpleFSDirectory@<obfuscated
>> >> > pathname>\lresumes1.search.main.1 autoCommit=false
>> >> >
>> >>
>> mergePolicy=org.apache.lucene.index.LogByteSizeMergePolicy@78f53abmergeScheduler
>> >>
>> =org.apache.lucene.index.ConcurrentMergeScheduler@52be036dramBufferSizeMB
>> >> =16.0
>> >> > maxBufferedDocs=-1 maxBuffereDeleteTerms=-1
>> >> > maxFieldLength=100000 index=_a:C9780 _l:C9909
>> >> > IW 10 [Indexer]: flush at getReader
>> >> > IW 10 [Indexer]:   flush: segment=null docStoreSegment=null
>> >> docStoreOffset=0
>> >> > flushDocs=false flushDeletes=true flushDocStores=false numDocs=0
>> >> > numBufDelTerms=0
>> >> > IW 10 [Indexer]:   index before flush _a:C9780 _l:C9909
>> >> > IW 10 [UpdWriterBuild : 10]: DW:   RAM: now flush @ usedMB=15.789
>> >> > allocMB=15.789 deletesMB=0.212 triggerMB=16
>> >> > IW 10 [UpdWriterBuild : 10]:   flush: segment=_m docStoreSegment=_m
>> >> > docStoreOffset=0 flushDocs=true flushDeletes=false
>> flushDocStores=false
>> >> > numDocs=1526 numBufDelTerms=1526
>> >> > IW 10 [UpdWriterBuild : 10]:   index before flush _a:C9780 _l:C9909
>> >> > IW 10 [UpdWriterBuild : 10]: DW: flush postings as segment _m
>> >> numDocs=1526
>> >> > IW 10 [UpdWriterBuild : 10]: DW:   oldRAMSize=16556032
>> >> > newFlushedSize=4788823 docs/MB=334.138 new/old=28.925%
>> >> > IFD [UpdWriterBuild : 10]: now checkpoint "segments_d" [3 segments
;
>> >> > isCommit = false]
>> >> > IFD [UpdWriterBuild : 10]: now checkpoint "segments_d" [3 segments
;
>> >> > isCommit = false]
>> >> > IW 10 [UpdWriterBuild : 10]: LMP: findMerges: 3 segments
>> >> > IW 10 [UpdWriterBuild : 10]: LMP:   level 6.8642592 to 7.6142592: 2
>> >> segments
>> >> > IW 10 [UpdWriterBuild : 10]: LMP:   level 6.2247195 to 6.6802545: 1
>> >> segments
>> >> > IW 10 [UpdWriterBuild : 10]: CMS: now merge
>> >> > IW 10 [UpdWriterBuild : 10]: CMS:   index: _a:C9780 _l:C9909
>> _m:C1526->_m
>> >> > IW 10 [UpdWriterBuild : 10]: CMS:   no more merges pending; now
>> return
>> >> > IW 10 [Indexer]: prepareCommit: flush
>> >> > IW 10 [Indexer]:   flush: segment=_n docStoreSegment=_m
>> >> docStoreOffset=1526
>> >> > flushDocs=true flushDeletes=true flushDocStores=true numDocs=501
>> >> > numBufDelTerms=501
>> >> > IW 10 [Indexer]:   index before flush _a:C9780 _l:C9909 _m:C1526->_m
>> >> > IW 10 [Indexer]:   flush shared docStore segment _m
>> >> > IW 10 [Indexer]: DW: closeDocStore: 2 files to flush to segment _m
>> >> > numDocs=2027
>> >> > IW 10 [Indexer]: DW: flush postings as segment _n numDocs=501
>> >> > IW 10 [Indexer]: DW:   oldRAMSize=6927360 newFlushedSize=1659342
>> >> > docs/MB=316.593 new/old=23.953%
>> >> > IFD [Indexer]: now checkpoint "segments_d" [4 segments ; isCommit =
>> >> false]
>> >> > IW 10 [Indexer]: DW: apply 2027 buffered deleted terms and 0 deleted
>> >> docIDs
>> >> > and 0 deleted queries on 4 segments.
>> >> > IFD [Indexer]: now checkpoint "segments_d" [4 segments ; isCommit =
>> >> false]
>> >> > IW 10 [Indexer]: LMP: findMerges: 4 segments
>> >> > IW 10 [Indexer]: LMP:   level 6.8642592 to 7.6142592: 2 segments
>> >> > IW 10 [Indexer]: LMP:   level 6.2247195 to 6.6802545: 1 segments
>> >> > IW 10 [Indexer]: LMP:   level -1.0 to 6.220011: 1 segments
>> >> > IW 10 [Indexer]: CMS: now merge
>> >> > IW 10 [Indexer]: CMS:   index: _a:C9780 _l:C9909 _m:C1526->_m
>> _n:C501->_m
>> >> > IW 10 [Indexer]: CMS:   no more merges pending; now return
>> >> > IW 10 [Indexer]: startCommit(): start sizeInBytes=0
>> >> > IW 10 [Indexer]: startCommit index=_a:C9780 _l:C9909 _m:C1526->_m
>> >> > _n:C501->_m changeCount=6
>> >> > IW 10 [Indexer]: now sync _m.frq
>> >> > IW 10 [Indexer]: now sync _m.prx
>> >> > IW 10 [Indexer]: now sync _n.tis
>> >> > IW 10 [Indexer]: now sync _m.tis
>> >> > IW 10 [Indexer]: now sync _n.frq
>> >> > IW 10 [Indexer]: now sync _n.tii
>> >> > IW 10 [Indexer]: now sync _m.tii
>> >> > IW 10 [Indexer]: now sync _m.fnm
>> >> > IW 10 [Indexer]: now sync _n.fnm
>> >> > IW 10 [Indexer]: now sync _n.nrm
>> >> > IW 10 [Indexer]: now sync _n.prx
>> >> > IW 10 [Indexer]: now sync _m.nrm
>> >> > IW 10 [Indexer]: now sync _m.fdt
>> >> > IW 10 [Indexer]: now sync _m.fdx
>> >> > IW 10 [Indexer]: done all syncs
>> >> > IW 10 [Indexer]: flush at getReader
>> >> > IW 10 [Indexer]:   flush: segment=null docStoreSegment=_n
>> >> docStoreOffset=0
>> >> > flushDocs=false flushDeletes=true flushDocStores=true numDocs=0
>> >> > numBufDelTerms=0
>> >> > IW 10 [Indexer]:   index before flush _a:C9780 _l:C9909 _m:C1526->_m
>> >> > _n:C501->_m
>> >> > IW 10 [Indexer]:   flush shared docStore segment _n
>> >> > IW 10 [Indexer]: DW: closeDocStore: 0 files to flush to segment _n
>> >> numDocs=0
>> >> > IW 10 [Indexer]: commit: start
>> >> > IW 10 [Indexer]: commit: already prepared
>> >> > IW 10 [Indexer]: commit: pendingCommit != null
>> >> > IW 10 [Indexer]: commit: wrote segments file "segments_e"
>> >> > IFD [Indexer]: now checkpoint "segments_e" [4 segments ; isCommit =
>> true]
>> >> > IFD [Indexer]: deleteCommits: now decRef commit "segments_d"
>> >> > IFD [Indexer]: delete "segments_d"
>> >> > IW 10 [Indexer]: commit: done
>> >> > IW 10 [Indexer]: flush at getReader
>> >> > IW 10 [Indexer]:   flush: segment=null docStoreSegment=null
>> >> docStoreOffset=0
>> >> > flushDocs=false flushDeletes=true flushDocStores=false numDocs=0
>> >> > numBufDelTerms=0
>> >> > IW 10 [Indexer]:   index before flush _a:C9780 _l:C9909 _m:C1526->_m
>> >> > _n:C501->_m
>> >> > IW 10 [Indexer]: now flush at close
>> >> > IW 10 [Indexer]:   flush: segment=null docStoreSegment=null
>> >> docStoreOffset=0
>> >> > flushDocs=false flushDeletes=true flushDocStores=false numDocs=0
>> >> > numBufDelTerms=0
>> >> > IW 10 [Indexer]:   index before flush _a:C9780 _l:C9909 _m:C1526->_m
>> >> > _n:C501->_m
>> >> > IW 10 [Indexer]: CMS: now merge
>> >> > IW 10 [Indexer]: CMS:   index: _a:C9780 _l:C9909 _m:C1526->_m
>> _n:C501->_m
>> >> > IW 10 [Indexer]: CMS:   no more merges pending; now return
>> >> > IW 10 [Indexer]: now call final commit()
>> >> > IW 10 [Indexer]: startCommit(): start sizeInBytes=0
>> >> > IW 10 [Indexer]:   skip startCommit(): no changes pending
>> >> > IW 10 [Indexer]: commit: pendingCommit == null; skip
>> >> > IW 10 [Indexer]: commit: done
>> >> > IW 10 [Indexer]: at close: _a:C9780 _l:C9909 _m:C1526->_m _n:C501->_m
>> >> >
>> >> >
>> >> > Peter
>> >> >
>> >> > On Thu, Feb 25, 2010 at 1:13 PM, Michael McCandless <
>> >> > lucene@mikemccandless.com> wrote:
>> >> >
>> >> >> Do you know the place in the infoStream output where you got a
>> reader
>> >> >> with the wrong (unexplained extra +1) version?  If so, can you
post
>> >> >> the infoStream output up to that point?
>> >> >>
>> >> >> Mike
>> >> >>
>> >> >> On Thu, Feb 25, 2010 at 10:22 AM, Peter Keegan <
>> peterlkeegan@gmail.com>
>> >> >> wrote:
>> >> >> > I've reproduced this and I have a bunch of infoStream log
files.
>> Since
>> >> >> the
>> >> >> > messages have no timestamps, it's hard to tell where the relevant
>> >> entries
>> >> >> > are. What should I be looking for?
>> >> >> >
>> >> >> > Peter
>> >> >> >
>> >> >> > On Mon, Feb 22, 2010 at 3:58 PM, Peter Keegan <
>> peterlkeegan@gmail.com
>> >> >> >wrote:
>> >> >> >
>> >> >> >> I'm pretty sure there are flushes and segment merges going
on,
>> but as
>> >> >> you
>> >> >> >> said, that shouldn't affect the version increment. I'll
see what
>> I
>> >> can
>> >> >> do to
>> >> >> >> get infoStream output.
>> >> >> >>
>> >> >> >> Thanks,
>> >> >> >> Peter
>> >> >> >>
>> >> >> >>
>> >> >> >> On Mon, Feb 22, 2010 at 2:30 PM, Michael McCandless <
>> >> >> >> lucene@mikemccandless.com> wrote:
>> >> >> >>
>> >> >> >>> Well I'm at a loss then.  The version should only
increment on
>> >> commit.
>> >> >> >>>
>> >> >> >>> Can you make it all happen when infoStream is on,
and post back?
>> >> >> >>>
>> >> >> >>> Mike
>> >> >> >>>
>> >> >> >>> On Mon, Feb 22, 2010 at 12:35 PM, Peter Keegan <
>> >> peterlkeegan@gmail.com
>> >> >> >
>> >> >> >>> wrote:
>> >> >> >>> > Only one writer thread and one writer process.
>> >> >> >>> > I'm calling IndexWriter(Directory d, Analyzer
a, boolean
>> create,
>> >> >> >>> > MaxFieldLength mfl), which sets autocommit=false.
>> >> >> >>> >
>> >> >> >>> > Peter
>> >> >> >>> >
>> >> >> >>> > On Mon, Feb 22, 2010 at 12:24 PM, Michael McCandless
<
>> >> >> >>> > lucene@mikemccandless.com> wrote:
>> >> >> >>> >
>> >> >> >>> >> That's curious.
>> >> >> >>> >>
>> >> >> >>> >> It's only on prepareCommit (or, commit, if
you didn't first
>> >> prepare,
>> >> >> >>> >> since that will call prepareCommit internally)
that this
>> version
>> >> >> >>> >> should increase.
>> >> >> >>> >>
>> >> >> >>> >> Is there only 1 thread doing this?
>> >> >> >>> >>
>> >> >> >>> >> Oh, and, are you passing false for autoCommit?
>> >> >> >>> >>
>> >> >> >>> >> Mike
>> >> >> >>> >>
>> >> >> >>> >> On Mon, Feb 22, 2010 at 11:43 AM, Peter Keegan
<
>> >> >> peterlkeegan@gmail.com
>> >> >> >>> >
>> >> >> >>> >> wrote:
>> >> >> >>> >> > Using Lucene 2.9.1, I have the following
pseudocode which
>> gets
>> >> >> >>> repeated
>> >> >> >>> >> at
>> >> >> >>> >> > regular intervals:
>> >> >> >>> >> >
>> >> >> >>> >> > 1. FSDirectory dir = FSDirectory.open(java.io.File);
>> >> >> >>> >> > 2. dir.setLockFactory(new SingleInstanceLockFactory());
>> >> >> >>> >> > 3. IndexWriter writer = new IndexWriter(dir,
Analyzer,
>> false,
>> >> >> >>> >> maxFieldLen)
>> >> >> >>> >> > 4. writer.getReader().getVersion();
>> >> >> >>> >> > 5. writer.prepareCommit();
>> >> >> >>> >> > 6. writer.getReader().getVersion();
>> >> >> >>> >> > 7. writer.commit();
>> >> >> >>> >> > 8. writer.close();
>> >> >> >>> >> >
>> >> >> >>> >> > I'm using the version number to keep
external data in synch
>> >> with
>> >> >> the
>> >> >> >>> >> index.
>> >> >> >>> >> > Usually, the version number from (6)
is 1 greater than from
>> (4)
>> >> >> and
>> >> >> >>> the
>> >> >> >>> >> > version from (4) equals the version
from the previous (6).
>> At
>> >> >> least
>> >> >> >>> once
>> >> >> >>> >> a
>> >> >> >>> >> > day, however, the version from (4) is
1 greater than from
>> the
>> >> >> >>> previous
>> >> >> >>> >> (6).
>> >> >> >>> >> > What would explain this sporadic behavior
of version
>> numbers?
>> >> >> >>> >> >
>> >> >> >>> >> > Thanks,
>> >> >> >>> >> > Peter
>> >> >> >>> >> >
>> >> >> >>> >>
>> >> >> >>> >>
>> >> >>
>> ---------------------------------------------------------------------
>> >> >> >>> >> To unsubscribe, e-mail:
>> java-user-unsubscribe@lucene.apache.org
>> >> >> >>> >> For additional commands, e-mail:
>> >> java-user-help@lucene.apache.org
>> >> >> >>> >>
>> >> >> >>> >>
>> >> >> >>> >
>> >> >> >>>
>> >> >> >>>
>> >> ---------------------------------------------------------------------
>> >> >> >>> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
>> >> >> >>> For additional commands, e-mail:
>> java-user-help@lucene.apache.org
>> >> >> >>>
>> >> >> >>>
>> >> >> >>
>> >> >> >
>> >> >>
>> >> >>
>> ---------------------------------------------------------------------
>> >> >> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
>> >> >> For additional commands, e-mail: java-user-help@lucene.apache.org
>> >> >>
>> >> >>
>> >> >
>> >>
>> >> ---------------------------------------------------------------------
>> >> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
>> >> For additional commands, e-mail: java-user-help@lucene.apache.org
>> >>
>> >>
>> >
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
>> For additional commands, e-mail: java-user-help@lucene.apache.org
>>
>>
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message