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[Gluster-devel] fio libgfapi engine available


From: Huamin Chen
Subject: [Gluster-devel] fio libgfapi engine available
Date: Mon, 31 Mar 2014 11:49:52 -0400 (EDT)

Hi team,

I am pleased to make available a preliminary drop of fio libgfapi engine. The 
idea is to investigate how much performance benefit that libgfapi can provide 
over FUSE. Per my initial testing, I see some positive results using libgfapi.

Please find the repository at https://github.com/rootfs/fio

In this drop, the gfapi engine is only capable of sync read/write operations, I 
am planning to make async IO available in the next drop.

To make the new engine, you have to have glusterfs-api-devel package installed. 
The following command line illustrates a simple test, where vol is the gluster 
volume, bd-brick is the gluster brick name.

fio --rw=randwrite --bs=4k --size=10G --runtime=60 --numjobs=1 
--group_reporting --name=/fio_test --ioengine=gfapi --volume=vol 
--brick=bd-brick

Happy testing,

HC



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