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HBase, mail # user - ceph and hbase.


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Re: ceph and hbase.
Andrey Stepachev 2011-12-20, 08:56
Thanks for reply Todd.

Great news, I'll, definitely, prefer hdfs if HA already
available for development.

I see, that most issues addressed to HA branch.
What version this branch is applied to? 0.22 or
i should build hadoop from sources?

20 декабря 2011 г. 11:46 п��льзователь Todd Lipcon <[EMAIL PROTECTED]>написал:

> Hi Andrey,
>
> I don't think anyone has ever run Ceph in a production use case, much
> less run it in a production use case with HBase.
>
> The SPOF problem is currently being addressed and will be available
> for production use by the middle of next calendar year. It will be
> available for preview/beta usage in Q1 (it's already working in
> development setups - feel free to follow HDFS-1623 for details)
>
> I think you're way better off waiting for the HA NameNode support in
> HDFS than going with an unproven FS like Ceph. Ceph certainly has
> promise and is a nice design, but it hasn't had the years of pounding
> that HDFS has.
>
> -Todd
>
> On Mon, Dec 19, 2011 at 10:23 PM, Andrey Stepachev <[EMAIL PROTECTED]>
> wrote:
> > Hi all.
> >
> > I have requirements to use hbase in several datacenters.
> > But HDFS has as SPOF, so we can't use it.
> > I plan to use ceph as the file system for hbase.
> >
> > In general, interested in issues of:
> > a) use the hadoop + сeph in the production environment
> > b) using hbase + ceph in the production environment
> >
> > In particular:
> > Ceph Wiki states that the integration of hadoop/ceph has the problem in
> the
> > form of modification dates of the files.
> > Does hbase uses modification times for some critical tasks?
> >
> > --
> > Andrey.
>
>
>
> --
> Todd Lipcon
> Software Engineer, Cloudera
>

--
Андрей.