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Re: Very poor NFS I/O



tlaronde%kergis.com@localhost a écrit :
> On Sat, Feb 28, 2026 at 11:48:01AM +0100, BERTRAND Joël wrote:
>> tlaronde%kergis.com@localhost a écrit :
>>> The system is unicore?
>>
>> 	Nope.
>>
>> 	i7-4770, four cores, eight threads.
> 
> But I'm puzzled by the number you gave:
> 
>> load averages:  10.0,  3.17,  2.06;        up 16+01:28:30 10:10:27      
>> 93 processes: 92 sleeping, 1 on CPU 
> 
> Load averages 10.0! 3.17! 2.06! 93 processes, 1 on CPU?
> 

	1 process on CPU (nfs), but if I understand, threads are running on
different cores :

load averages:  2.47,  10.0,  14.9;               up 16+03:51:01
12:32:58
17 threads: 17 sleeping
CPU states:  0.1% user,  0.0% nice,  2.6% system,  1.9% interrupt, 95.2%
idle
Memory: 7814M Act, 3885M Inact, 49M Wired, 146M Exec, 9595M File, 143M Free
Swap: 16G Total, 16G Free / Pools: 3730M Used / Network: 38M In, 92M Out

  PID   LID USERNAME PRI STATE       TIME   WCPU    CPU NAME      COMMAND
11768 21399 root      85 nfsd/1      0:03  5.08%  5.08% slave     nfsd
11768 10367 root      85 nfsd/3      0:03  3.96%  3.96% slave     nfsd
11768  5092 root      85 nfsd/3      0:02  3.37%  3.37% slave     nfsd
11768  7531 root      85 netio/2     0:03  2.78%  2.78% slave     nfsd
11768  5951 root      85 nfsd/2      0:03  2.69%  2.69% slave     nfsd
11768 19325 root      85 nfsd/0      0:03  2.59%  2.59% slave     nfsd
11768 11299 root      85 nfsd/2      0:02  2.34%  2.34% slave     nfsd
11768 21086 root      85 nfsd/0      0:03  1.81%  1.81% slave     nfsd
11768 12003 root      85 nfsd/2      0:02  1.27%  1.27% slave     nfsd
11768 26813 root      85 nfsd/1      0:03  1.12%  1.12% slave     nfsd
11768  9860 root      85 nfsd/1      0:03  1.12%  1.12% slave     nfsd
11768 12641 root      85 nfsd/3      0:02  1.12%  1.12% slave     nfsd
11768  4037 root      85 nfsd/2      0:02  1.03%  1.03% slave     nfsd
11768 10183 root      85 nfsd/1      0:03  0.00%  0.00% slave     nfsd
11768  4224 root      85 nfsd/3      0:03  0.00%  0.00% slave     nfsd
11768 15062 root      85 nfsd/2      0:03  0.00%  0.00% slave     nfsd
11768 11768 root      85 poll/1      0:00  0.00%  0.00% master    nfsd



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