@Shawn: Correctly I am trying to reduce the index size. I am working on reindex the solr with some of the features as indexed and not stored
@Jean: I tried with different caches. It did not show much improvement. On Fri, Sep 6, 2013 at 3:17 PM, Shawn Heisey <s...@elyograg.org> wrote: > On 9/6/2013 2:54 AM, prabu palanisamy wrote: > > I am currently using solr -3.5.0, indexed wikipedia dump (50 gb) with > > java 1.6. > > I am searching the solr with text (which is actually twitter tweets) . > > Currently it takes average time of 210 millisecond for each post, out of > > which 200 millisecond is consumed by solr server (QTime). I used the > > jconsole monitor tool. > > If the size of all your Solr indexes on disk is in the 50GB range of > your wikipedia dump, then for ideal performance, you'll want to have > 50GB of free memory so the OS can cache your index. You might be able > to get by with 25-30GB of free memory, depending on your index composition. > > Note that this is memory over and above what you allocate to the Solr > JVM, and memory used by other processes on the machine. If you do have > other services on the same machine, note that those programs might ALSO > require OS disk cache RAM. > > http://wiki.apache.org/solr/SolrPerformanceProblems#OS_Disk_Cache > > Thanks, > Shawn > >
