[Gluster-users] Slow file open

Pavan tcp at gluster.com
Tue May 3 04:36:28 UTC 2011


On Sunday 01 May 2011 03:59 AM, Mohit Anchlia wrote:
> Can someone from dev help with this? Is it overhead in fuse or
> something else? I am seeing file open operation taking anywhere
> between 30ms - 2 secs and this is killing the performance.

* Can you recreate this problem on your setup at will?
* Does the delay happen when you are opening any file or is it under 
certain scenarios - like excessive load? What is application that is 
facing this hang?

To start with, check if the open on the backend (on a single brick) is 
taking long, with the same application.

Pavan

>
> On Fri, Apr 29, 2011 at 4:27 PM, Mohit Anchlia<mohitanchlia at gmail.com>  wrote:
>> I am not seeing optimal performance out of my 4 X 2 cluster node. When
>> I look at thread state that's writing files I see most of them are
>> waiting on file open.
>>
>> Does anyone know how to further troubleshoot this issue?
>>
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