[Gluster-users] Tuning for Home Directories
nux at li.nux.ro
Fri Oct 11 14:44:27 UTC 2013
On 11.10.2013 15:33, Joel Young wrote:
> Re home directory tuning...
> Any suggestions? We are still getting extraordinary slowness in using
> gluster for home directories. SVN checkouts to the volume are very
> slow, configure scripts are very slow.
> The cluster hardware is overspecced. Each of the four nodes are
> connected via 10GB ethernet, have 24-64 cores, and from 128GB to
> On Wed, Sep 18, 2013 at 10:44 AM, Joel Young <jdy at cryregarder.com>
>> I've got a HPC type set up with four nodes and a
>> distributed-replicated configuration. Performing developer type
>> actions is disfunctionally slow on the volume. Below is the
>> Volume Name: home
>> Type: Distributed-Replicate
>> Volume ID: 83fa39a6-6e68-4e1c-8fae-3c3e30b1bd66
>> Status: Started
>> Number of Bricks: 2 x 2 = 4
>> Transport-type: tcp
>> Brick1: ir0:/lhome/gluster_home
>> Brick2: ir1:/lhome/gluster_home
>> Brick3: ir2:/lhome/gluster_home
>> Brick4: ir3:/raid/gluster_home
>> Options Reconfigured:
>> server.statedump-path: /tmp
>> performance.cache-size: 512MB
>> performance.client-io-threads: on
>> For example, configure runs take tens of minutes instead of fractions
>> of minutes.
>> I've tried setting lookup-unhashed to off or no without a significant
>> performance change.
>> Does anyone have any performance tunings or suggestions for making
>> gluster based home directories usable for developers?
>> Also, the documentation is unclear as to if lookup-unhashed should be
>> set to yes or on, vs no or off. Some things indicate one way, some
>> the other. boolean options should no allow multiple values to be
Have you tried mounting the volume over NFS and see how that goes?
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