As Otis mentioned, its obviously good to run Optimization once in a while or when you are done with most of your heavy indexing operation. Its not concern with the Disk Capacity rather with the IO and seeking in segements, When comparably it has less segments to query the IO operation will be less and so quick will be your query response.
Give it a go and come up with the stats. Cheers! On Tue, Jun 10, 2014 at 1:54 AM, Otis Gospodnetic < otis.gospodne...@gmail.com> wrote: > Hi, > > I don't remember last time I ran optimize. Sure, yes, things will work > faster if you optimize an index and reduce the number of segments, but if > you are regularly writing to that index and performance is OK, leave it to > Lucene segment merges to purge deletes. > > Otis > -- > Performance Monitoring * Log Analytics * Search Analytics > Solr & Elasticsearch Support * http://sematext.com/ > > > On Mon, Jun 9, 2014 at 4:15 PM, Joshi, Shital <shital.jo...@gs.com> wrote: > > > Hi, > > > > We have SolrCloud cluster (5 shards and 2 replicas) on 10 boxes. On some > > of the boxes we have about 5 million deleted docs and we have never run > > optimization since beginning. Does number of deleted docs have anything > to > > do with performance of query? Should we consider optimization at all if > > we're not worried about disk space? > > > > Thanks! > > > > > > >
