cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Sebastian Estevez <sebastian.este...@datastax.com>
Subject Re: OpsCenter datastax-agent 300% CPU
Date Tue, 14 Jul 2015 19:00:08 GMT
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" <strebkov@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
>

Mime
View raw message