(disabling swap, separate disk for commit logs, data and the OS).
*From:* Keith Wright [mailto:kwri...@nanigans.com]
*Sent:* Monday, February 10, 2014 4:35 PM
*To:* user@cassandra.apache.org
*Cc:* Don Jackson; Dave Carroll
*Subject:* RE: Recommended OS
Is this your first cluster? Have
On Wed, Feb 12, 2014 at 8:55 AM, Jeffrey Kesselman jef...@gmail.com wrote:
I haven't run Cassandra in production myself, but for other high load Java
based servers I've had really good scaling success with OpenSolaris. In
particular I've used Joyent's SmartOS which has the additional
Its quite possible its well tricked out for Linux.
My major issue with Linux has been that its TCP/IP stack is nowhere near as
scalable as Solaris' for massive numbers of simultaneous connections. But
thats probably less of an issue with a Cassandra node then it has been with
the game servers
We are currently trialling SmartOS with Cassandra and have seen some pretty
good results (and the mmap stuff appears to work). As Rob said, if this is
production cluster, run with linux… there will be far less pain.
If you are super keen on running on something different from linux in
On Wed, Feb 12, 2014 at 1:25 PM, Ben Bromhead b...@instaclustr.com wrote:
If you are super keen on running on something different from linux in
production (after all the warnings), run most of your cluster on linux,
then run a single node or a separate DC with SmartOS, Solaris, BeOS, OS/2,
I just would advise against it because it's going to be difficult to narrow
down what's causing problems. For instance, if you have Node A which is
performing GC, it will affect query times on Node B which is trying to
satisfy a quorum read. Node B might actually have very low load, and it
will
Wright [mailto:kwri...@nanigans.com]
Sent: Monday, February 10, 2014 4:35 PM
To: user@cassandra.apache.org
Cc: Don Jackson; Dave Carroll
Subject: RE: Recommended OS
Is this your first cluster? Have you run older versions of Cassandra? Any
specific resource tuning?
Thanks all. We are unable
...@nanigans.com]
Sent: Monday, February 10, 2014 2:09 PM
To: user@cassandra.apache.org
Cc: Don Jackson; Dave Carroll
Subject: Re: Recommended OS
We are running on CentOS 6.4 but an upgrade to 6.5 caused packets to backup on
the net queue causing HUGE load spikes and cluster meltdown. Ultimately we
