he reads are likely in page cache
> (the kernel doesn’t need to go to disk to read the files, it’s got them in
> memory for serving normal reads).
>
> --
> Jeff Jirsa
>
>
> > On Aug 3, 2018, at 12:30 AM, Mihai Stanescu
> wrote:
> >
> > Hi all,
> >
>
Hi all,
I am perftesting cassandra over a longrun in a cluster of 8 nodes and i
noticed the rate of service drops.
Most of the nodes have the CPU between 40-65% however one of the nodes has
a higher CPU and also started performing a lot of read IOPS as seen in the
image. (green is read IOPS)
My t
