Try adding debug=timing, that'll give you an idea of what component is taking all the time. >From there, it's "more art than science".
But you haven't given us much to go on. What is the query? Are you grouping? Faceting on high-cardinality fields? Returning 10,000 rows? Best, Erick On Tue, May 24, 2016 at 4:52 PM, Ahmet Arslan <iori...@yahoo.com.invalid> wrote: > > > Hi, > > Is it QueryComponent taking time? > Ot other components? > > Also make sure there is plenty of RAM for OS cache. > > Ahmet > > On Wednesday, May 25, 2016 1:47 AM, Jay Potharaju <jspothar...@gmail.com> > wrote: > > > > Hi, > I am trying to debug solr performance problems on an old version of solr, > 4.3.1. > The queries are taking really long -in the range of 2-5 seconds!!. > Running filter query with only one condition also takes about a second. > > There is memory available on the box for solr to use. I have been looking > at the following link but was looking for some more reference that would > tell me why a particular query is slow. > > https://wiki.apache.org/solr/SolrPerformanceProblems > > Solr version:4.3.1 > Index size:128 GB > Heap:65 GB > Index size:75 GB > Memory usage:70 GB > > Even though there is available memory is high all is not being used ..i > would expect the complete index to be in memory but it doesnt look like it > is. Any recommendations ?? > > -- > Thanks > Jay