On Tue, 11 Oct 2005, Niklas Edmundsson wrote:
I don't think so. The 100% cpu usage on the client indicates something
else, maybe an rx bug. A tcpdump around the time of your stall might be
useful.
In /afs/hpc2n.umu.se/home/n/nikke/Public/tmp/afs-stall:
afsprob.cap4 : Capture written by tcpdump -s 1500
afsprob.cap4.txt : Start/end-timestamps of stall and other misc info.
An interesting observation is that the chunksize indeed matters, I get
identical behaviour with the CVS version if I use the same chunksize (8k) as
1.4.0RC does by default. With the new default (64k for 128MB memcache) the
stalls are less frequent and not as long-lived, but they do still occur.
This capture is from my AIX SMP machine, the Linux UP machine freezes up
completely during the stalls so the capture is no good.
If information is missing or doesn't make sense, just poke at me and I'll see
what I can do :).
Did anyone take a look at this? If there's information missing just
tell me, I can easily reproduce this. Since it shows up on more than
one arch I guess that there's something fundamental that's broken...
/Nikke
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Niklas Edmundsson, Admin @ {acc,hpc2n}.umu.se | [EMAIL PROTECTED]
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Chickens are how eggs make more eggs.
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