[Gluster-users] Gluster machines slowing down over time

[Brian Candler]

On Tue, Dec 11, 2012 at 04:13:15PM +0000, Tom Hall wrote:
>    I have 2 gluster servers in replicated mode on EC2 with ~4G RAM
> 
>    CPU and RAM look fine but over time the system becomes sluggish,
>    particularly networking.
> 
>    I notice when sshing into the machine takes ages and running remote
>    commands with capistrano takes longer and longer.

Do you have swap configured? Is the system going into swap?

Have a look at output of "free", "vmstat 5" (for a minute or two),
"iostat 5 -x" (ditto)

You may need to install the "sysstat" package to get iostat.