[Gluster-devel] large_read fuse option when direct-io mode is disabled?

Gordan Bobic gordan at bobich.net
Fri Jul 3 22:01:07 UTC 2009


So, what exactly is the reason to use the direct-io=off mount parameter 
at the moment? Will there be any reason (not) to use it as of 2.0.3?

Gordan

> Harshavardhana wrote:
>> Hi Mickey,
>>
>>      Upcoming 2.0.3 version has fuse big_writes support which 
>> increases and retains performance even with --disable-direct-io option 
>> so stay tuned :).
>>
>> Regards
>> -- 
>> Harshavardhana
>> Z Research Inc http://www.zresearch.com/
>>
>>
>> On Thu, Jul 2, 2009 at 8:54 PM, Mickey Mazarick 
>> <mic at digitaltadpole.com <mailto:mic at digitaltadpole.com>> wrote:
>>
>>     Like everyone else I've been having trouble getting good
>>     performance out of gluster when direct-io is disabled but I
>>     noticed there is a "large_read" option on the fuse module.
>>
>>     Is there a way of passing this option to fuse via the glusterfs
>>     command line?
>>     Is this even a workaround for the direct-io slowness?
>>
>>     Thanks!
>>     -Mickey Mazarick
>>
>>     --
>>
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>>
>>
> 
> 






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