On Jul 30, 2010, at 1:16 PM, Peter Karich wrote:
> did you already try other values for hl.maxAnalyzedChars=2147483647
Yes, I tried dropping it down to 21, but it didn't have much of an impact (one
search I just tried went from 17 seconds to 15.8 seconds, and this is an 8-core
Mac Pro with 6GB RAM - 4GB for java).
> ? Also regular expression highlighting is more expensive, I think.
> What does the 'fuzzy' variable mean? If you use this to query via
> "~someTerm" instead "someTerm"
> then you should try the trunk of solr which is a lot faster for fuzzy or
> other wildcard search.
"fuzzy" could be set to "*" but isn't right now.
Thanks for the tips, Peter - this has been very frustrating!
- Peter
> Regards,
> Peter.
>
>> Data set: About 4,000 log files (will eventually grow to millions). Average
>> log file is 850k. Largest log file (so far) is about 70MB.
>>
>> Problem: When I search for common terms, the query time goes from under 2-3
>> seconds to about 60 seconds. TermVectors etc are enabled. When I disable
>> highlighting, performance improves a lot, but is still slow for some queries
>> (7 seconds). Thanks in advance for any ideas!
>>
>>
>> -Peter
>>
>>
>> -------------------------------------------------------------------------------------------------------------------------------------
>>
>> 4GB RAM server
>> % java -Xms2048M -Xmx3072M -jar start.jar
>>
>> -------------------------------------------------------------------------------------------------------------------------------------
>>
>> schema.xml changes:
>>
>> <fieldType name="text_pl" class="solr.TextField">
>> <analyzer>
>> <tokenizer class="solr.WhitespaceTokenizerFactory"/>
>> <filter class="solr.LowerCaseFilterFactory"/>
>> <filter class="solr.WordDelimiterFilterFactory" generateWordParts="0"
>> generateNumberParts="0" catenateWords="0" catenateNumbers="0"
>> catenateAll="0" splitOnCaseChange="0"/>
>> </analyzer>
>> </fieldType>
>>
>> ...
>>
>> <field name="body" type="text_pl" indexed="true" stored="true"
>> multiValued="false" termVectors="true" termPositions="true"
>> termOffsets="true" />
>> <field name="timestamp" type="date" indexed="true" stored="true"
>> default="NOW" multiValued="false"/>
>> <field name="version" type="string" indexed="true" stored="true"
>> multiValued="false"/>
>> <field name="device" type="string" indexed="true" stored="true"
>> multiValued="false"/>
>> <field name="filename" type="string" indexed="true" stored="true"
>> multiValued="false"/>
>> <field name="filesize" type="long" indexed="true" stored="true"
>> multiValued="false"/>
>> <field name="pversion" type="int" indexed="true" stored="true"
>> multiValued="false"/>
>> <field name="first2md5" type="string" indexed="false" stored="true"
>> multiValued="false"/>
>> <field name="ckey" type="string" indexed="true" stored="true"
>> multiValued="false"/>
>>
>> ...
>>
>> <dynamicField name="*" type="ignored" multiValued="true" />
>> <defaultSearchField>body</defaultSearchField>
>> <solrQueryParser defaultOperator="AND"/>
>>
>> -------------------------------------------------------------------------------------------------------------------------------------
>>
>> solrconfig.xml changes:
>>
>> <maxFieldLength>2147483647</maxFieldLength>
>> <ramBufferSizeMB>128</ramBufferSizeMB>
>>
>> -------------------------------------------------------------------------------------------------------------------------------------
>>
>> The query:
>>
>> rowStr = "&rows=10"
>> facet =
>> "&facet=true&facet.limit=10&facet.field=device&facet.field=ckey&facet.field=version"
>> fields = "&fl=id,score,filename,version,device,first2md5,filesize,ckey"
>> termvectors = "&tv=true&qt=tvrh&tv.all=true"
>> hl = "&hl=true&hl.fl=body&hl.snippets=1&hl.fragsize=400"
>> regexv = "(?m)^.*\n.*\n.*$"
>> hl_regex = "&hl.regex.pattern=" + CGI::escape(regexv) +
>> "&hl.regex.slop=1&hl.fragmenter=regex&hl.regex.maxAnalyzedChars=2147483647&hl.maxAnalyzedChars=2147483647"
>> justq = '&q=' + CGI::escape('body:' + fuzzy + p['q'].to_s.gsub(/\\/,
>> '').gsub(/([:~!<>="])/,'\\\\\1') + fuzzy + minLogSizeStr)
>>
>> thequery = '/solr/select?timeAllowed=5000&wt=ruby' + (p['fq'].empty? ? '' :
>> ('&fq='+p['fq'].to_s) ) + justq + rowStr + facet + fields + termvectors + hl
>> + hl_regex
>>
>> baseurl = '/cgi-bin/search.rb?q=' + CGI::escape(p['q'].to_s) + '&rows=' +
>> p['rows'].to_s + '&minLogSize=' + p['minLogSize'].to_s
>>
>>
>>
>
>
> --
> http://karussell.wordpress.com/
>
