Re: Why the query performance is so different for queries?

2010-09-29 Thread Walter Underwood
or JVM in 32bits box. Therefore we set JAVA_OPTIONS to > "-Xms521m -Xmx1400m". Is my understanding right? > > Thanks. > >> From: Lance Norskog >> Reply-To: solr-user@lucene.apache.org >> To: solr-user@lucene.apache.org, newsam >> Subject: Re: Why t

Re: Why the query performance is so different for queries?

2010-09-29 Thread newsam
cene.apache.org >To: solr-user@lucene.apache.org, newsam >Subject: Re: Why the query performance is so different for queries? >Date: Wed, 29 Sep 2010 20:13:20 -0700 > >How much ram does the JVM have? > >Wildcard queries are slow. Starting with '*' are even slower. If

Re: Why the query performance is so different for queries?

2010-09-29 Thread Lance Norskog
How much ram does the JVM have? Wildcard queries are slow. Starting with '*' are even slower. If you want all values try "field:[* TO *]". This is a range query and lets you pick a range of values- this picks everything. The "*:*" is not a wildcard. It is a magic syntax for "all documents" and do

Why the query performance is so different for queries?

2010-09-28 Thread newsam
Hi guys, I have posted a thread "The search response time is too long". The SOLR searcher instance is deployed with Tomcat 5.5.21. . The index file is 8.2G. The doc num is 6110745. DELL Server has Intel(R) Xeon(TM) CPU (4 cores) 3.00GHZ and 6G RAM. In SOLR back-end, "query=key:*" costs alm