[OpenAFS] Re: [OpenAFS] Re: [OpenAFS] cache manager locked under heavy load?

[Alena Manova]

------------ Původní zpráva ------------
Od: Jason Edgecombe <ja...@rampaginggeek.com>
Předmět: Re: [OpenAFS] Re: [OpenAFS] cache manager locked under heavy load?
Datum: 07.2.2010 00:19:04
----------------------------------------
Alena Manova wrote:
> Thanks Simon and Jason,
>
> thank you for the clues!
>
> we are running openafs 1.4.11 on centos 5.4 using the official openafs rpm
packages.
>
> I tried running the afsd with -dynroot -fakestat -stat 200000 and still have
the issue. if I route the traffic (about 500 requests) to that server, it gets
locked.
>
> how about the -daemons parameter? could that be relevant?
>
> I guess the xstat_cm_test is not part of the RPM packages.
>
You're welcome.

doubling -daemons might help.

How many threads are you running on your fileserver?

What does "bos stat -long server" show for the fileserver that hosts your web content?

I am running one fileserver process. should I run more? how to get the optimal 
number?

[r...@afs4 ~]# bos stat -long localhost
Instance upclientetc, (type is simple) currently running normally.
   Process last started at Sun Feb  7 04:00:05 2010 (1 proc starts)
   Command 1 is '/usr/afs/bin/upclient afs1 /usr/afs/etc'

Instance fs, (type is fs) currently running normally.
   Auxiliary status is: file server running.
   Process last started at Sun Feb  7 04:00:05 2010 (2 proc starts)
   Command 1 is '/usr/afs/bin/fileserver'
   Command 2 is '/usr/afs/bin/volserver'
   Command 3 is '/usr/afs/bin/salvager'

thank you, Nick.

Jason

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