Re: file open for write fails under stress

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Trond Myklebust wrote:

> On Tue, 2008-10-14 at 00:51 +0200, Omry Yadan wrote:
>   
>> I have an application that open many files for writing very fast, in a
>> way - it can almost be looked as a file system stress test.
>>
>>
>> my application is single threaded, and I noticed the following problem
>> when running a single instance of it:
>>
>>
>> at some point, after opening (and closing) many files for writing, the
>> application fails to open a file for writing.
>>
>> if I sleep for 1 second and try again, it works.
>>     
>
> What version of nfs, filesystem on the server, export options, mount
> options,...?
>
>   

/etc/exports:
/var/vizi 38.99.126.160/28(rw,sync,no_subtree_check)
server file system : ext3 on a raid5 (900gb, 3x500gb hd).
server nfs version: 1.0.10

client mount:
nas1:/var/vizi on /var/vizi type nfs (rw,tcp,addr=38.99.126.163)

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