Backuping a cluster takes too much time !

Germain Maurice germain.maurice at linkfluence.net
Wed May 12 19:04:39 EDT 2010


I'm using Innostore (10-1) and riak_0.10.1 on an ubuntu 9.10.


Le 13/05/2010 00:28, Alan McConnell a écrit :
> 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 <mailto: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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