Date: Tue, 29 Apr 2014 16:55:04 +0100 From: Pete French <petefrench@ingresso.co.uk> To: freebsd-geom@freebsd.org, kpielorz_lst@tdx.co.uk Subject: Re: Anyone using HAST in production / performance? Message-ID: <E1WfAN6-0000lN-UU@dilbert.ingresso.co.uk> In-Reply-To: <2D7624DF74301FC17FEA865E@Mail-PC.tdx.co.uk>
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> I've been looking at HAST for a while (I posted here a while ago about > performance). > > Is anyone using it in production? - How do you find the performance? A belated followup to this, but yes, I have been using it in production for a while now - it replaces an older stack we constructed based on gmirror and ggated. Much mucy better and far more repliable. Performance wise I havent done any real testing I am afraid, aside form looking at raw disc bandwidth using gstat when we are doing a heavy operation. There we get about 50 meg/second, which is more or less what I would expecrt over gig ether. We use dedicates adapters for the hast connection - wired back to back and only talk to each other. We also use a pair of cards for each hast drive, and we then run ZFS over the top with light compression enabled (lz4). The setup is used to run mysql on top of - initially using myISAM tables, but now using innodb. Performance appears to be fine - i,.e. I havent noticed any issues, but as I said, we havent actually treid to measure it. -pete.
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