[Gluster-users] gluster write performance

Roman romeo.r at gmail.com
Sat Jul 18 20:11:09 UTC 2015


But when I'm inside of VM, I'm getting 50-53 MB/s for replica and 120 MB
for distributed volumes...
whats the logic? that slow write speed directly to mounted gfs volume slows
down backup and restore process of VMs by VE.

2015-07-18 22:47 GMT+03:00 Roman <romeo.r at gmail.com>:

> Hi,
>
> Looked a lot from forums, but didn't find much..
> So I've got glusterfs 3.6.4
> 1 Gbps network
> replicate and distributed volumes
>
> so when i read from any of them, I get maxed-out network performance
> (around 80-120 MB/sec)
> If i write to distributed volume, I get 16 MB/sec
> If i write to replicated volume, I get around half of it (which is
> logical) 8-10MB/sec
>
> i use XFS (with all set recommended options) and EXT4 for gluster. no
> difference.
> Disks are in HW RAID5 for Distributed volume and RAID0 for Replicated
> volume
>
> volume options:
>
> performance.write-behind: off
> server.allow-insecure: on
> cluster.server-quorum-type: server
> cluster.quorum-type: auto
> network.remote-dio: enable
> cluster.eager-lock: enable
> performance.stat-prefetch: off
> performance.io-cache: off
> performance.read-ahead: off
> performance.quick-read: off
>
> Am I missing something?
>
> --
> Best regards,
> Roman.
>



-- 
Best regards,
Roman.
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