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From Keith Gable <zi...@ignition-project.com>
Subject Re: couchdb 1.2 on RHEL6 :: OS reboots under load
Date Wed, 23 May 2012 04:42:50 GMT
ESX or ESXi?

Also I'd check that you have the latest possible pvscsi and VMware balloon
kernel modules. When I ran an ESXi server, I found that the pvscsi driver
sometimes had problems (on Windows too), and eventually they put out new
guest additions.
On May 22, 2012 6:20 PM, "Dave Cottlehuber" <dave@muse.net.nz> wrote:

> On 22 May 2012 23:38, Wendall Cada <wendallc@83864.com> wrote:
>
> > This appears to be an ESX Hypervisor crash. CouchDB doesn't do anything
> > that any other app can do in terms of crashing your hypervisor. Probably
> a
> > VMWare bug, so check your host server logs and see if you can isolate
> what
> > is causing the crash. IMO, this has nothing whatsoever to do with
> CouchDB,
> > other than it happened to be the application putting load on the server
> at
> > the time.
> >
> > Wendall
> >
> >
> >
> +1 to all that.
>
> As a general caution, people who run databases (SQL or NoSQL) on
> hypervisors with virtualised disk IO (let alone encrypted FS partitions)
> should not be surprised if performance is less than stellar. I'm sure you
> have a good reason for all this!
>
> A+
> Dave
>

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