RE: Optimize stalls at the same point

2017-07-25 Thread Markus Jelsma
- > From:Walter Underwood <wun...@wunderwood.org> > Sent: Tuesday 25th July 2017 22:39 > To: solr-user@lucene.apache.org > Subject: Re: Optimize stalls at the same point > > I’ve never been fond of elaborate GC settings. I prefer to set a few things > then let i

Re: Optimize stalls at the same point

2017-07-25 Thread David Hastings
vered) with a 900 MB heap, so you probably have a > lot of room to spare. Your max heap is over a 100 times larger than ours, > your index just around 16 times. It should work with less. > > > > As a bonus, with a smaller heap, you can have much more index data in > mapped memory. &

Re: Optimize stalls at the same point

2017-07-25 Thread Walter Underwood
h a smaller heap, you can have much more index data in mapped > memory. > > Regards, > Markus > > -Original message- >> From:David Hastings <hastings.recurs...@gmail.com> >> Sent: Tuesday 25th July 2017 22:15 >> To: solr-user@lucene.apache.org >

RE: Optimize stalls at the same point

2017-07-25 Thread Markus Jelsma
il.com> > Sent: Tuesday 25th July 2017 22:15 > To: solr-user@lucene.apache.org > Subject: Re: Optimize stalls at the same point > > it turned out that i think it was a large GC operation, as it has since > resumed optimizing. current java options are as follows for the indexing &

Re: Optimize stalls at the same point

2017-07-25 Thread David Hastings
it turned out that i think it was a large GC operation, as it has since resumed optimizing. current java options are as follows for the indexing server (they are different for the search servers) if you have any suggestions as to changes I am more than happy to hear them, honestly they have just

Re: Optimize stalls at the same point

2017-07-25 Thread Walter Underwood
Are you sure you need a 100GB heap? The stall could be a major GC. We run with an 8GB heap. We also run with Xmx equal to Xms, growing memory to the max was really time-consuming after startup. What version of Java? What GC options? wunder Walter Underwood wun...@wunderwood.org