Flavio, Thanks for your input. It looks like we were hitting the memory limit with too many znodes. Vi cleaned up our znodes and Zookeeper is performing a thousand fold better.
Cheers, Jens On Wed, Feb 24, 2016 at 1:54 PM, Flavio Junqueira <[email protected]> wrote: > Hi Jens, > > Could it be this issue: > > https://issues.apache.org/jira/browse/ZOOKEEPER-1657 < > https://issues.apache.org/jira/browse/ZOOKEEPER-1657> > > -Flavio > > > On 24 Feb 2016, at 12:48, Jens Rantil <[email protected]> wrote: > > > > Hi, > > > > We've had one of our Zookeeper nodes starting to spin CPU-wise a couple > of > > times this week. The instance isn't logging anything at all and I can't > do > > any `ruok` or `stat` out of it (that is, its is very unresponsive). I > can't > > find any issues with the disk and the Zookeeper process is using equally > > much as the other Zookeeper instances. > > > > Unfortunately, we are running Zookeeper with OpenJDK at the moment so I > was > > unable to execute `jstack` (it's not bundled). If this issues remains we > > might migrate to use Oracle's JDK instead. > > > > Question: Does anyone of any known issues like this with 3.4.5? > > > > /J > > > > -- > > Jens Rantil > > Backend engineer > > Tink AB > > > > Email: [email protected] > > Phone: +46 708 84 18 32 > > Web: www.tink.se > > > > Facebook <https://www.facebook.com/#!/tink.se> Linkedin > > < > http://www.linkedin.com/company/2735919?trk=vsrp_companies_res_photo&trkInfo=VSRPsearchId%3A1057023381369207406670%2CVSRPtargetId%3A2735919%2CVSRPcmpt%3Aprimary > > > > Twitter <https://twitter.com/tink> > > -- Jens Rantil Backend engineer Tink AB Email: [email protected] Phone: +46 708 84 18 32 Web: www.tink.se Facebook <https://www.facebook.com/#!/tink.se> Linkedin <http://www.linkedin.com/company/2735919?trk=vsrp_companies_res_photo&trkInfo=VSRPsearchId%3A1057023381369207406670%2CVSRPtargetId%3A2735919%2CVSRPcmpt%3Aprimary> Twitter <https://twitter.com/tink>
