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From "Uwe Schindler" <...@thetaphi.de>
Subject RE: howto run CheckIndex on huge index size
Date Wed, 15 Aug 2012 14:27:57 GMT
Problem not fixed! I contacted infra on IRC already.

-----
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: Wednesday, August 15, 2012 4:26 PM
> To: java-user@lucene.apache.org
> Subject: RE: howto run CheckIndex on huge index size
> 
> I hope the problem is fixed now; this mail is just to check! It was hard
to
> unsubscribe because of the strange eMail. Have no idea at all...
> 
> Uwe
> 
> -----
> 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: Wednesday, August 15, 2012 3:13 PM
> > To: java-user@lucene.apache.org
> > Subject: RE: howto run CheckIndex on huge index size
> >
> > I got is, too. As a moderator of this list, I will look into finding
> > the
> root cause
> > and forcefully unsubscribe the failing address!
> >
> > -----
> > Uwe Schindler
> > H.-H.-Meier-Allee 63, D-28213 Bremen
> > http://www.thetaphi.de
> > eMail: uwe@thetaphi.de
> >
> >
> > > -----Original Message-----
> > > From: Bernd Fehling [mailto:bernd.fehling@uni-bielefeld.de]
> > > Sent: Wednesday, August 15, 2012 3:04 PM
> > > To: java-user@lucene.apache.org
> > > Subject: Re: howto run CheckIndex on huge index size
> > >
> > >
> > > I guess that ulimit could be a default setting of XenServer when it
> > > was
> > first time
> > > setup.
> > > We started with about 27G.
> > > I already raised ulimit -n when setting up XenServer because this
> > > was also limited.
> > >
> > > By the way, am I the only one getting this nasty DELIVERY FAILURE
> > > message from one on this list?
> > >
> > > Bernd
> > >
> > >
> > >
> > >
> > > Am 15.08.2012 14:10, schrieb Uwe Schindler:
> > > > So my blog post, last section, helped? I think the ulimits came
> > > > from
> > there.
> > > > What distribution do you use that ulimit was actually limited - or
> > > > was it some sysadmin doing this? :-)
> > > >
> > > > We should maybe refer to this blog post from docs or create a copy
> > > > of the page inside lucene's distribution!
> > > >
> > > > Uwe
> > > >
> > > > -----
> > > > Uwe Schindler
> > > > H.-H.-Meier-Allee 63, D-28213 Bremen http://www.thetaphi.de
> > > > eMail: uwe@thetaphi.de
> > > >
> > > >
> > > >> -----Original Message-----
> > > >> From: Bernd Fehling [mailto:bernd.fehling@uni-bielefeld.de]
> > > >> Sent: Wednesday, August 15, 2012 2:07 PM
> > > >> To: java-user@lucene.apache.org
> > > >> Subject: Re: howto run CheckIndex on huge index size
> > > >>
> > > >> Hi Uwe,
> > > >>
> > > >> index size is:
> > > >> -rw-r--r-- 1 solr users  82G 15. Aug 07:50 _2rhe.fdt
> > > >> -rw-r--r-- 1 solr users 303M 15. Aug 07:50 _2rhe.fdx
> > > >> -rw-r--r-- 1 solr users 1,2k 15. Aug 07:36 _2rhe.fnm
> > > >> -rw-r--r-- 1 solr users  39G 15. Aug 09:04 _2rhe.frq
> > > >> -rw-r--r-- 1 solr users 757M 15. Aug 09:05 _2rhe.nrm
> > > >> -rw-r--r-- 1 solr users  47G 15. Aug 09:04 _2rhe.prx
> > > >> -rw-r--r-- 1 solr users 257M 15. Aug 09:04 _2rhe.tii
> > > >> -rw-r--r-- 1 solr users  25G 15. Aug 09:04 _2rhe.tis
> > > >> -rw-r--r-- 1 solr users  300 15. Aug 09:05 segments_5u
> > > >> -rw-r--r-- 1 solr users   20 15. Aug 09:05 segments.gen
> > > >>
> > > >> Setting ulimit -v and ulimit -m to unlimited solved this and I
> > > >> can run
> > > > CheckIndex
> > > >> without any java options.
> > > >>
> > > >> The setting with ulimit should be pinned on lucene and solr pages!
> > > >>
> > > >> Thanks for help,
> > > >> Bernd
> > > >>
> > > >>
> > > >> Am 15.08.2012 13:34, schrieb Uwe Schindler:
> > > >>> You don't get a heap-related OOM in your stack trace, it is "Map
> > > >>> failed" - caused by MMapDirectory. You don't have enough virtual
> > > >>> memory to map the index into address space. I think your heap
is
> > > >>> way too mch (-Xmx25g is way too big for any existing index and
> > > >>> drives GC
> > > > crazy).
> > > >> How big is your index?
> > > >>>
> > > >>> See
> > > >>> http://blog.thetaphi.de/2012/07/use-lucenes-mmapdirectory-on-64b
> > > >>> it.h
> > > >>> tm
> > > >>> l
> > > >>>
> > > >>> -----
> > > >>> Uwe Schindler
> > > >>> H.-H.-Meier-Allee 63, D-28213 Bremen http://www.thetaphi.de
> > > >>> eMail: uwe@thetaphi.de
> > > >>>
> > > >>>
> > > >>>> -----Original Message-----
> > > >>>> From: Bernd Fehling [mailto:bernd.fehling@uni-bielefeld.de]
> > > >>>> Sent: Wednesday, August 15, 2012 1:25 PM
> > > >>>> To: java-user@lucene.apache.org
> > > >>>> Subject: howto run CheckIndex on huge index size
> > > >>>>
> > > >>>>
> > > >>>> I'm trying to run CheckIndex as seperate tool on a large index
> > > >>>> to
> get
> > > >>>> nice
> > > >>> infos
> > > >>>> about number of terms, number of tokens, ... but always get
OOM
> > > >> exception.
> > > >>>>
> > > >>>> Already have JAVA_OPTS -d64 -Xmx25g -Xms25g -Xmn6g
> > > >>>>
> > > >>>>
> > > >>>> Any idea how to use CheckIndex on huge index size?
> > > >>>>
> > > >>>>
> > > >>>>
> > > >>>> Opening index @ /srv/www/solr/solr/solrserver/solr/data/index
> > > >>>> Segments file=segments_5u numSegments=1 version=3.6.1
> > > >>>> format=FORMAT_3_1 [Lucene 3.1+]
> > > >>>>   1 of 1: name=_2rhe docCount=37821132
> > > >>>>     compound=false
> > > >>>>     hasProx=true
> > > >>>>     numFiles=8
> > > >>>>     size (MB)=182.992,35
> > > >>>>     diagnostics = {mergeFactor=1, os.version=2.6.32.23-0.3-xen,
> > > >>>> os=Linux, lucene.version=3.6.1-SNAPSHOT 1325634 - solr -
> > > >>>> 2012-04-13
> > > >>>> 14:08:0 6, source=merge, os.arch=amd64,
> mergeMaxNumSegments=1,
> > > >>>> java.version=1.6.0_29, java.vendor=Sun Microsystems Inc.}
> > > >>>>     no deletions
> > > >>>>     test: open reader.........FAILED
> > > >>>>     WARNING: fixIndex() would remove reference to this segment;
> full
> > > >>>> exception:
> > > >>>> java.io.IOException: Map failed
> > > >>>>         at
sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:748)
> > > >>>>         at
> > > >>>>
> > > >>
> > >
> >
> org.apache.lucene.store.MMapDirectory$MMapIndexInput.<init>(MMapDirec
> > > >>>> t
> > > >>>> ory.java:271)
> > > >>>>         at
> > > >>>>
> > > >>
> > >
> > org.apache.lucene.store.MMapDirectory.openInput(MMapDirectory.java:221
> > )
> > > >>>>         at
> > > >>>>
> > > >
> > org.apache.lucene.index.TermInfosReader.<init>(TermInfosReader.java:10
> > 4)
> > > >>>>         at
> > > >>>>
> > > org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.
> > > >>>> jav
> > > >>>> a:83)
> > > >>>>         at
> > > >>> org.apache.lucene.index.SegmentReader.get(SegmentReader.java:116
> > > >>> )
> > > >>>>         at
> > > >>> org.apache.lucene.index.SegmentReader.get(SegmentReader.java:94)
> > > >>>>         at
> > > >>> org.apache.lucene.index.CheckIndex.checkIndex(CheckIndex.java:52
> > > >>> 3)
> > > >>>>         at
> > > >>>> org.apache.lucene.index.CheckIndex.main(CheckIndex.java:1064)
> > > >>>> Caused by: java.lang.OutOfMemoryError: Map failed
> > > >>>>         at sun.nio.ch.FileChannelImpl.map0(Native Method)
> > > >>>>         at
sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:745)
> > > >>>>         ... 8 more
> > > >>>> WARNING: 1 broken segments (containing 37821132 documents)
> > detected
> > > >>>> WARNING: would write new segments file, and 37821132 documents
> > > would
> > > >>>> be lost, if -fix were specified
> > > >>>>
> > > >>>>
> > > >>>>
> > > >>>>
> ---------------------------------------------------------------------
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> > > >>>
> > > >>>
> > > >>>
> ---------------------------------------------------------------------
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> > > >>> java-user-help@lucene.apache.org
> > > >>>
> > > >>
> > > >> --
> > > >>
> > *************************************************************
> > > >> Bernd Fehling                Universitätsbibliothek Bielefeld
> > > >> Dipl.-Inform. (FH)            LibTec - Bibliothekstechnologie
> > > >> Universitätsstr. 25                     und Wissensmanagement
> > > >> 33615 Bielefeld
> > > >> Tel. +49 521 106-4060       bernd.fehling(at)uni-bielefeld.de
> > > >>
> > > >> BASE - Bielefeld Academic Search Engine - www.base-search.net
> > > >>
> > *************************************************************
> > > >>
> > > >> -----------------------------------------------------------------
> > > >> ---- To unsubscribe, e-mail:
> > > >> java-user-unsubscribe@lucene.apache.org
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> > > >
> > > >
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> > > >
> > >
> > > --
> > > *************************************************************
> > > Bernd Fehling                Universitätsbibliothek Bielefeld
> > > Dipl.-Inform. (FH)            LibTec - Bibliothekstechnologie
> > > Universitätsstr. 25                     und Wissensmanagement
> > > 33615 Bielefeld
> > > Tel. +49 521 106-4060       bernd.fehling(at)uni-bielefeld.de
> > >
> > > BASE - Bielefeld Academic Search Engine - www.base-search.net
> > > *************************************************************
> > >
> > > --------------------------------------------------------------------
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> >
> >
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> 
> 
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