Looks like it dies with OOM: https://gist.github.com/kluyg/03785041e16333015c2c
On Tue, Jul 14, 2015 at 12:01 PM, Mikhail Strebkov <streb...@gmail.com> wrote: > OpsCenter 5.1.3 and datastax-agent-5.1.3-standalone.jar > > On Tue, Jul 14, 2015 at 12:00 PM, Sebastian Estevez < > sebastian.este...@datastax.com> wrote: > >> What version of the agents and what version of OpsCenter are you running? >> >> I recently saw something like this and upgrading to matching versions >> fixed the issue. >> On Jul 14, 2015 2:58 PM, "Mikhail Strebkov" <streb...@gmail.com> wrote: >> >>> Hi everyone, >>> >>> Recently I've noticed that most of the nodes have OpsCenter agents >>> running at 300% CPU. Each node has 4 cores, so agents are using 75% of >>> total available CPU. >>> >>> We're running 5 nodes with OpenSource Cassandra 2.1.8 in AWS using >>> Community AMI. OpsCenter version is 5.1.3. We're using Oracle Java version >>> 1.8.0_45. >>> >>> * PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND* >>> 31501 cassandr 20 0 3599m 296m 14m S *339* 2.0 48:20.39 >>> /opt/jdk/jdk1.8.0_45/bin/java -Xmx128M -Djclouds.mpu.parts.magnitude=100000 >>> -Djclouds.mpu.parts.size=16777216 >>> -Dopscenter.ssl.trustStore=/var/lib/datastax-agent/ssl/agentKeyStore >>> -Dopscenter.ssl.keyStore=/var/lib/datastax-agent/ssl/agentKeyStore >>> -Dopscenter.ssl.keyStorePassword=opscenter >>> -Dagent-pidfile=/var/run/datastax-agent/datastax-agent.pid >>> -Dlog4j.configuration=file:/etc/datastax-agent/log4j.properties >>> -Djava.security.auth.login.config=/etc/datastax-agent/kerberos.config -jar >>> datastax-agent-5.1.3-standalone.jar >>> /var/lib/datastax-agent/conf/address.yaml >>> >>> The logs from the agent looks strange to me: >>> https://gist.github.com/kluyg/21f78af7adff0a940ed3 >>> >>> The cluster itself seems to be fine, the load is small, nothing bad in >>> Cassandra system.log. >>> >>> Does anyone know what to tune to bring it back to normal? >>> >>> Thanks, >>> Mikhail >>> >> >