Thanks so much Shawn, I think you (and others) are completely right about this being heap and GC related. I just did a test while not indexing data and the same periodic slowness was observable.
On to GC/Memory Tuning! Many Thanks! -Dave On Fri, Nov 22, 2013 at 12:09 PM, Shawn Heisey <s...@elyograg.org> wrote: > On 11/22/2013 10:01 AM, Shawn Heisey wrote: > >> You can see how much the max heap is in the Solr admin UI dashboard - >> it'll be the right-most number on the JVM-Memory graph. On my 64-bit linux >> development machine with 16GB of RAM, it looks like Java defaults to a 4GB >> max heap. I have the heap size manually set to 7GB for Solr on that >> machine. The 6GB heap you have mentioned might not be enough, or it might >> be more than you need. It all depends on the kind of queries you are doing >> and exactly how Solr is configured. >> > > Followup: I would also recommend starting with my garbage collection > settings. This wiki page is linked on the wiki page I've already given you. > > http://wiki.apache.org/solr/ShawnHeisey#GC_Tuning > > You might need a script to start Solr. There is also a redhat-specific > init script on that wiki page. I haven't included any instructions for > installing it. Someone who already knows about init scripts won't have > much trouble getting it working on a redhat-derived OS, and someone who > doesn't will need extensive instructions or an install script, neither of > which has been written. > > Thanks, > Shawn >
