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Re: Very poor NFS I/O



Michael van Elst a écrit :
> joel.bertrand%systella.fr@localhost (=?UTF-8?Q?BERTRAND_Jo=c3=abl?=) writes:
> 
>> 	CPU is an i7-4770, main memory 16 GB. This server exports /srv and
>> /home through NFS (V3/TCP, 128 threads, async) and disk I/O from NFS
>> clients are very slow. Server load can raise until 110 or 120 during
>> huge NFS access.
> 
> Can you quantify what "slow" means? Any kind of benchmarks?

	Less than 2 MB/s.

> The server load just shows that the NFS requests are distributed over
> your server threads. But that is not related to any CPU utilization.

	I know. NFS process never reaches 35% of one core.



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