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Re: Solr using a ridiculous amount of memory - Solr - [mail # user]
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... want the terms data and so on to remain on disk, it is not enough to "just enable docvalues" for the field. The default implementation uses the heap. So if you want that, you need to set doc...
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Author: Robert Muir,
2013-03-24, 18:11
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Re: Solr 4.0 Beta, termIndexInterval vs termIndexDivisor vs termInfosIndexDivisor - Solr - [mail # user]
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.../core/org/apache/lucene/codecs/lucene40/Lucene40PostingsFormat.html#Termdictionary (since blocktree "covers" term dictionary and terms index) right i think we should remove these parameters. probably. i dont know enough...
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... about your terms or how much RAM you have to say for sure. if not, just customize blocktree's params with a CodecFactory in solr, or even pick another implementation (FixedGap, Variable...
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Author: Robert Muir,
2012-09-07, 18:58
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Re: Solr 4.0 Beta, termIndexInterval vs termIndexDivisor vs termInfosIndexDivisor - Solr - [mail # user]
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... the default one in this release. It only makes sense for term indexes that are implemented as a fixed gap between terms. NOTE: divisor settings > 1 do not apply to all PostingsFormat implementations...
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..., including the default one in this release. It only makes sense for terms indexes that can efficiently re-sample terms at load time. etc http://lucene.apache.org/core/4_0_0-BETA/core/org/apache...
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| .../lucene/index/IndexWriterConfig.html#setTermIndexInterval%28int%29 http://lucene.apache.org/core/4_0_0-BETA/core/org/apache/lucene/index/DirectoryReader.html#open%28org... |
| ....apache.lucene.store.Directory,%20int%29 In the future I expect these parameters ill be removed completely: anything like this is specific to the codec/implementation. In Lucene 4.0 the terms index works completely... |
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Author: Robert Muir,
2012-09-07, 17:33
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[SOLR-2660] omitPositions improvements - Solr - [issue]
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... (shingle/commongrams/etc)for a fast "approximation", if your application can tolerate some false positives, e.g. "foo bar" -> termQuery(foo_bar), "foo bar baz" -> BQ(foo_bar AND bar_baz)
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http://issues.apache.org/jira/browse/SOLR-2660
Author: Robert Muir,
2013-03-06, 14:51
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[SOLR-4499] StatsComponent could use some serious TLC - Solr - [issue]
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... returns min/max, but does this by looking up every single ordinal to term and using string.compareTo. the ords are themselves comparable, satisfying count/missing/min/max can all be done with 2...
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... ord->term lookups per segment. These are also the only stats I think multi-valued numerics should return (see above).
Things like accumulate(NamedList) appear to have scary runtime (I...
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http://issues.apache.org/jira/browse/SOLR-4499
Author: Robert Muir,
2013-02-25, 01:47
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[SOLR-3818] TermVectorComponent tfidf is not tf/idf by anyone's definition - Solr - [issue]
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tv.tf_idf - Calculates tf*idf for each term. Requires the parameters tv.tf and tv.df to be "true". This can be expensive. (not shown in example output)
But the current computation is tf/docFreq...
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http://issues.apache.org/jira/browse/SOLR-3818
Author: Robert Muir,
2012-09-10, 18:59
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Re: Build failed in Jenkins: the 4547 machine gun #848 - Lucene - [mail # dev]
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...this is the finishDocument trick again. We added this to term vectors API and so the test is causing failures where it should not... I thought mike already fixed this, maybe its just...
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Author: Robert Muir,
2013-01-27, 19:38
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Re: [JENKINS] Lucene-Solr-Tests-4.x-Java6 - Build # 1262 - Still Failing - Lucene - [mail # dev]
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...I think this is a bug in compressing term vectors codec when no positions are enabled. I'll make a clearer test (that isnt deprecated) and try to take care On Tue, Jan 22, 2013 at 1:02 AM...
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Author: Robert Muir,
2013-01-22, 06:29
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Re: svn commit: r1433177 - /lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterWithThreads.java - Lucene - [mail # dev]
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... an uncaught exception in another thread from the codec's TermVectorsWriter finishDocument(): e.g. http://fortyounce.servebeer.com/job/the%204547%20machine%20gun/848/console (run the seed with -Dtests...
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Author: Robert Muir,
2013-01-27, 19:42
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remove seek-back in terms dict / fold appending codec into default? - Lucene - [mail # dev]
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...Just looking at the previous thread, I wonder if we should consider removing AppendingCodec and just removing this seek stuff. Currently this is essentially metadata stuff in terms dict...
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.../index (e.g. terms dict field summary section and offsets for each field in terms index: https://builds.apache.org/job/Lucene-trunk/javadoc/core/org/apache/lucene/codecs/lucene40/Lucene40Postings...
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Author: Robert Muir,
2012-06-26, 15:32
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