<br><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, Dec 12, 2012 at 10:41 AM, Brian Candler <span dir="ltr"><<a href="mailto:B.Candler@pobox.com" target="_blank">B.Candler@pobox.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div class="im">On Tue, Dec 11, 2012 at 04:13:15PM +0000, Tom Hall wrote:<br>
</div><div class="im">> I have 2 gluster servers in replicated mode on EC2 with ~4G RAM<br>
><br>
> CPU and RAM look fine but over time the system becomes sluggish,<br>
> particularly networking.<br>
><br>
> I notice when sshing into the machine takes ages and running remote<br>
> commands with capistrano takes longer and longer.<br>
<br>
</div>Do you have swap configured? Is the system going into swap?</blockquote><div><br></div><div>No swap (default on that size EC2 instance)</div><div> total used free shared buffers cached</div>
<div>Mem: 3750 3731 19 0 274 2929</div><div>-/+ buffers/cache: 526 3224</div><div>Swap: 0 0 0</div><div><br></div><div>Caching heavily but not using so much RAM </div>
<div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"> </blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<br></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
Have a look at output of "free", "vmstat 5" (for a minute or two),<br>
"iostat 5 -x" (ditto)<br><br></blockquote><div><br></div><div>I'll get it next time we experience the issue.</div><div>Seems to slow down over a week or so so it might be a while...</div><div><br></div><div>
Thanks guys!</div><div>Tom</div><div><br></div><div> </div></div><br></div>