Backuping a cluster takes too much time !

Alan McConnell alanmc at swingvine.com
Wed May 12 18:28:11 EDT 2010


I get similar behavior using the innostore storage engine.  In addition,
beam.smp memory footprint balloons to using all available system memory.

I'm running latest binary installs of riak and innostore (0.10.1) on ubuntu
8.04.

On Wed, May 12, 2010 at 3:07 PM, Preston Marshall <preston at synergyeoc.com>wrote:

> What storage engine are you using?
> On May 12, 2010, at 4:57 PM, Germain Maurice wrote:
>
> > Hi,
> >
> > I'm testing the backup process of a node and all nodes.
> > I'm very surprised by the time it took.
> >
> > The beginning using 'date' :
> > # date ; ls -lh
> > mardi 11 mai 2010, 14:31:54 (UTC+0200)
> > total 8,0K
> > -rw-r--r-- 1 riak riak    8 2010-05-11 14:31 backup-20100511
> > drwxr-xr-x 2 riak riak 4,1K 2010-05-05 16:22 dets
> > drwxr-xr-x 3 riak riak  168 2010-05-05 16:25 innodb
> > drwxr-xr-x 2 riak riak  272 2010-05-11 14:26 ring
> > # date ; ls -lh
> > mercredi 12 mai 2010, 23:35:44 (UTC+0200)
> > total 300G
> > -rw-r--r-- 1 riak riak 300G 2010-05-12 21:42 backup-20100511
> > drwxr-xr-x 3 riak riak  168 2010-05-05 16:25 innodb
> > drwxr-xr-x 2 riak riak  272 2010-05-11 14:26 ring
> >
> > On each of my two nodes i have :
> > 194G    /reiser/riak/innodb/innokeystore/
> >
> > The backup process of all nodes took more than 33 hours !!
> > I hope it's not a normal behavior because we expect that the cluster will
> store up 4TB or more.
> >
> > Regards,
> > Germain
> >
> >
> > _______________________________________________
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> > riak-users at lists.basho.com
> > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
>
>
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