! Really disabling Patrol Reads solves the problem. Thank you!
I have many amrd's and all of them appear to have Patrol Reads enabled
by default. But the problem happenes only on three of them. Is this a
hardware problem?
With best regards,
Alexey Popov
0x 0x22ec ONLINE
0 050x 0x22ec ONLINE
I tried to run with disabled Read-ahead, but it didn't help.
With best regards,
Alexey Popov
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disk load peaks. http://83.167.98.162/gprof/mtx-graph/mtxgifnew/
With best regards,
Alexey Popov
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statistics on mutex profiling and it shows there's
no problem in mutexes. http://83.167.98.162/gprof/mtx-graph/mtxgifnew/
I have no idea what else to check.
With best regards,
Alexey Popov
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, this ussie was gone, but the main
problem was left. Also I have this issue with interrupt aliasing on many
servers without problems.
With best regards,
Alexey Popov
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difference in CPU usage.
I disagree about your words about recent version. I have this effect on
many servers with latest FreeBSD-6-stable and em. Actually I have more
servers with this effect than without it.
With best regards,
Alexey Popov
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to run in multiple workers. I'll see
if it helps.
What else can i try?
With best regards,
Alexey Popov
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profiling results. I'll try to collect it
again later. See vmstats in attach (vmstat -z; netstat -m; vmstat -i;
vmstat -w 1 | head -11;).
Also you can see kgmon profiling results at: http://83.167.98.162/gprof/
With best regards,
Alexey Popov
ITEM SIZE LIMIT USED
are in
lockf state.
Apache is not much used here, it is just for kind of content management.
It is not exposed to external users.
With best regards,
Alexey Popov
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to large files
like mp3 or video.
What does vmstat -z show during the good and bad times?
I'll send this data when the bad times will happen next time.
With best regards,
Alexey Popov
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information regarding this server if needed.
What else can I try to solve the problem???
With best regards,
Alexey Popov
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