Threads look like four concurrent scans but I can't be sure what they are up to.
Nik On Thu, Mar 27, 2014 at 4:02 PM, Jos Kraaijeveld <[email protected]> wrote: > Apologies, the gist link wasn't working properly: > > https://gist.github.com/Kaidence/2b95c207f4e6a79841c5<https://gist.github.com/Kaidence/2b95c207f4e6a79841c5> > > On Thursday, March 27, 2014 1:00:35 PM UTC-7, Jos Kraaijeveld wrote: >> >> At seemingly random intervals, the ElasticSearch Java process starts >> hogging all CPU on my machine. This is in a two-node cluster where one node >> is gathering data from other sources and continuously updating the >> documents. Documents time out when they haven't been updated for a while. >> The documents get replicated to the other node in a single shard setup. >> This happened without any querying going on aside from very trivial health >> checks. >> >> The node actually performing the updating starts using max CPU until I >> restart ElasticSearch, but I can't figure out why. To show the effect, >> here's a Ganglia graph: >> >> <https://lh4.googleusercontent.com/-P_81cbz2uQU/UzSCGjuJzNI/AAAAAAAAAB8/2zSevfkpN3c/s1600/es_cpu.png> >> >> >> This is a 24GB machine with 24 cores, running ElasticSearch 1.0.1 on >> OpenJDK 7. I took a long snapshot of hot_threads when it was happening, >> it's available over here: https://gist.github.com/ >> Kaidence/2b95c207f4e6a79841c5. >> >> I was wondering whether someone had seen this before or had any clue why >> this is happening. >> > -- > 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 [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/elasticsearch/66851a83-f5ca-4a52-becc-37a8b5052ef1%40googlegroups.com<https://groups.google.com/d/msgid/elasticsearch/66851a83-f5ca-4a52-becc-37a8b5052ef1%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/CAPmjWd0fYaHBOpg9qBBqhYHf5eovJRkOpaT7L%3DkCHYO1mGW83Q%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
