Z [mailto:arodr...@gmail.com]
> *Sent:* Saturday, December 17, 2016 5:18 AM
> *To:* user@cassandra.apache.org
> *Subject:* Re: High CPU on nodes
>
>
>
> Hi,
>
>
>
> What does 'nodetool netstats' looks like on those nodes?
>
>
>
> *Its not doing any stream
CIL
From: Alain RODRIGUEZ [mailto:arodr...@gmail.com]
Sent: Saturday, December 17, 2016 5:18 AM
To: user@cassandra.apache.org
Subject: Re: High CPU on nodes
Hi,
What does 'nodetool netstats' looks like on those nodes?
Its not doing any streaming.
we have 30GB heap
How is the JVM
Hi,
What does 'nodetool netstats' looks like on those nodes?
we have 30GB heap
>
How is the JVM / GC doing? Are you using G1GC or CMS? This setting would be
bad for CMS.
You can use this tool to understand were the CPU is being used
https://github.com/aragozin/jvm-tools/blob/master/sjk-core/COM
Hello,
I am trying to fight a high CPU problem on some of our nodes. Thread dumps show
that it's not GC threads (we have 30GB heap), iostat %iowait confirms it's not
disk (ranges between 0.3 - 0.9%). One of the ways in which the problem
manifests is that the nodes can't compact SSTables and it
