[Gluster-users] Small File and "ls" performance ..

[Tejas N. Bhise]

Dear Community Users,

We have recently made some code changes in an effort to improve small 
file and 'ls' performance. The patches are -

selective readdirp - http://patches.gluster.com/patch/3203/
dht lookup revalidation optimization - http://patches.gluster.com/patch/3204/
updated write-behind default values - http://patches.gluster.com/patch/3223/

DISCLAIMER : These patches have not made it to any supported release 
yet and have not been tested yet. Don't use them in production. I am 
providing this information only as some advance notice for those in 
the community who might be interested in trying out these changes and 
provide feedback.

Once these are fully tested they will make to an officially supported release.

Regards,
Tejas Bhise.


----- Original Message -----
From: "Count Zero" <countz at gmail.com>
To: gluster-users at gluster.org
Sent: Wednesday, May 5, 2010 9:31:22 AM
Subject: [Gluster-users] Replicate over WAN?

I have some machines over WAN, in a Replicate cluster, with around 50ms ~ 60ms between them.
However, I have read-subvolume specified so that it will always use the local brick instead of the WAN.
I just need this in order to replicate files as easily and as quickly as possible between various systems...

My question is - Why is it still painfully slow when all I do is read operations?
Even just listing a directory takes ages.
I can understand about Write operations, but read? and from the local sub-volume?

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