<p>Those spikes were on 2.3 which doesn't have fsync.</p>
<p>John<br>
=:-></p>
<div class="gmail_quote">On Sep 1, 2011 4:03 PM, "Martin (gzlist)" <<a href="mailto:gzlist@googlemail.com">gzlist@googlemail.com</a>> wrote:<br type="attribution">> I'm wondering if memory pressure might also be a factor to the<br>
> increasing run time? Do we have any numbers on the max resource usage<br>> of the run vs what the box has available?<br>> <br>> On 31/08/2011, John Arbash Meinel <<a href="mailto:john@arbash-meinel.com">john@arbash-meinel.com</a>> wrote:<br>
>><br>>> But the fact that every-so-often we get a big spike in the run time<br>>> seems odd. But it might be because there are other processes running? (I<br>>> think Martin mentioned the machine is shared with U1).<br>
> <br>> Seemingly random big spikes sounds normal for fsync to me, as the work<br>> required depends on all pending i/o not just file in question.<br>> <br>> Martin<br></div>