we have 8 clustered nodes and each nodes have 1 replica. total document size is about 4GB and 1,984,173 docs.
I was suffering from very high CPU usage 80%~90% every hourly. It is held for 5 min. there is no other process except es on each server. there is no other cron job even at that time. I thought there are something wrong with es process. maybe external attacks or gc problem.. I don't know. It happened every hourly. I don't know what's going on elasticsearch at this time!! somebody help me, tell me what happened in there. please.. $ ./elasticsearch -v Version: 1.4.2, Build: 927caff/2014-12-16T14:11:12Z, JVM: 1.7.0_75 $ java -version java version "1.7.0_75" Java(TM) SE Runtime Environment (build 1.7.0_75-b13) Java HotSpot(TM) 64-Bit Server VM (build 24.75-b04, mixed mode) and I installed plugins - HQ, bigdesk, head, kopf, sense heres bigdesk graphs at cpu peak time: <http://elasticsearch-users.115913.n3.nabble.com/file/n4072788/es_cpu_high.png> -- View this message in context: http://elasticsearch-users.115913.n3.nabble.com/elasticsearch-high-cpu-usage-every-hourly-tp4072788.html Sent from the ElasticSearch Users mailing list archive at Nabble.com. -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to elasticsearch+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/1427630250044-4072788.post%40n3.nabble.com. For more options, visit https://groups.google.com/d/optout.