[EMAIL PROTECTED] wrote on Thu, 04 Oct 2007 15:21 -0500:
> I'm in the process of getting a trace and dump from the same server
> during the same runs.
Good, will be interesting too see tcpdump + strace. Although I
worry we might not learn anything new.
> In the meantime, I attached two "zoomed" plots of the last one I
> sent, with ranges set to 5000-5200 secs and 5000-6000 secs,
> respectively. I thought they were interesting, both for the behavior
> that epoll_wait exhibits during operations over the VFS, and just for
> the patterns they show at a scale of 100s of seconds (it almost looks
> like a seirpinski triangle). Not that it sheds much light on the
> problem.
Pretty. Maybe there's a category for Most Attractive Unexplained
Distributed System Art in the state fair this year.
Would the pending request ID stuff with slog etc be useful in
tracking individual operations?
-- Pete
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