Deepak "Please stop cruelty to Animals, help by becoming a Vegan" +91 73500 12833 deic...@gmail.com
Facebook: https://www.facebook.com/deicool LinkedIn: www.linkedin.com/in/deicool "Plant a Tree, Go Green" On Thu, Apr 19, 2018 at 9:23 AM, mganeshs <mgane...@live.in> wrote: > Hello Deepak, > > We are not querying when indexing is going on. Whatever CPU graph I shared > for 6.2.1 and 6.5.1 was only while we do batch indexing. During that time > we > don't query and no queries are getting executed. > > We index in a batch with a rate of around 100 documents / sec. Is the batch rate same for both the cases (6.2.1 & 6.5.1)? > And it's not > so high too. But same piece of code and same config, with 6.2.1 CPU is > normal and in 6.5.1 it always stays above 90% or 95%. > > @Solr Experts, > > From one of the thread by " Yasoob > <http://lucene.472066.n3.nabble.com/CommitScheduler-Thread-blocked-due-to- > excessive-number-of-Merging-Threads-tp4353964p4354334.html> > " it's mentioned as > > /I compared the source code for the two versions and found that different > merge functions were being used to merge the postings. In 5.4, the default > merge method of FieldsConsumer class was being used. While in 6.6, the > PerFieldPostingsFormat's merge method is being used. I checked and it > looks > like this change went in Solr 6.3. So I replaced the 6.6 instance with > 6.2.1 > and re-indexed all the data, and it is working very well, even with the > settings I had initially used. / > > Is anyone else facing this issue or any fixes got released in future build > for this ? > > Keep us posted.... > > > Deepak Goel wrote > > Please post the exact results. Many a times the high cpu utilisation may > > be > > a boon as it improves query response times > > > > On Tue, 17 Apr 2018, 13:55 mganeshs, < > > > mganeshs@ > > > > wrote: > > > >> Regarding query times, we couldn't see big improvements. Both are more > or > >> less same. > >> > >> Our main worry is that, why CPU usage is so high in 6.5.1 and above ? > >> What's > >> going wrong ? > >> > >> Is any one else facing this sort of issue ? If yes, how to bring down > the > >> CPU usage? Is there any settings which we need to set ( not default one > ) > >> in > >> 6.5.1 ? > >> > >> > >> > >> -- > >> Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html > >> > > > Deepak Goel wrote > > Please post the exact results. Many a times the high cpu utilisation may > > be > > a boon as it improves query response times > > > > On Tue, 17 Apr 2018, 13:55 mganeshs, < > > > mganeshs@ > > > > wrote: > > > >> Regarding query times, we couldn't see big improvements. Both are more > or > >> less same. > >> > >> Our main worry is that, why CPU usage is so high in 6.5.1 and above ? > >> What's > >> going wrong ? > >> > >> Is any one else facing this sort of issue ? If yes, how to bring down > the > >> CPU usage? Is there any settings which we need to set ( not default one > ) > >> in > >> 6.5.1 ? > >> > >> > >> > >> -- > >> Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html > >> > > > > > > -- > Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html >
