[Gluster-users] Updating gluster configuration
gowda at zresearch.com
Sun Dec 28 04:19:22 UTC 2008
On Sun, Dec 28, 2008 at 4:01 AM, Matt Lawrence <matt.lawrence at tamu.edu>wrote:
> I have maintenance windows on Wednesday & Thursday to make changes to
> the throughput cluster here and I could use some advice.
> There are 130 system, 126 of them are compute nodes, connected via Gb
> ethernet with the head node and fileserver node connected via 10Gb
> ethernet. At the moment, my configuration from last summer, which was
> done in a hurry, is running really, really slow.
> My hope is to upgrade to 1.4.0, but I'll settle for a release candidate
> if I have to. Here is the rough plan for how I'm going to configure it.
> XFS filesystem -->> io-thread -->> tcp
XFS filesystem -->> io-thread -->> write-behind -->> tcp
> brick -->> readahead -->> writebehind
brick -->> io-thread -->> write-behind -->> io-cache -->> readahead
> Should I be considering readahead/writebehind on the server end?
> How about threads on the client?
> Any other translators I should consider?
> I'm hoping to spend much of Thursday doing performance testing. What
> benchmarks do y'all recommend? I was planning on trying iozone, but
> could easily be convinced to go with something else. The plan is to
> script it to run automatically with a number of different settings for
> readahead & writebehind. Any particular words of wisdom?
> Thanks for the help!
> -- Matt
> Gluster-users mailing list
> Gluster-users at gluster.org
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