You should probably have as small a swap as possible. I still feel long GCs are either due to swapping or thread contention.
Did you try to remove all other G1GC tuning parameters except for the ParallelRefProcEnabled? On Dec 19, 2016 1:39 AM, "forest_soup" <tanglin0...@gmail.com> wrote: > Sorry for my wrong memory. The swap is 16GB. > > > > -- > View this message in context: http://lucene.472066.n3. > nabble.com/Very-long-young-generation-stop-the-world-GC- > pause-tp4308911p4310301.html > Sent from the Solr - User mailing list archive at Nabble.com. >
