Logical Export/Cluster Migration

Sargun Dhillon sargun at sargun.me
Tue Sep 2 13:18:13 EDT 2014


If you upgrade to 2.0, then there is a ring-resize feature built right in.
That might be a better approach to take.


On Tue, Sep 2, 2014 at 10:07 AM, Mark Rechler <mrechler at bitly.com> wrote:

> Hello All,
>
> What would be the best tool for moving data from one riak cluster to
> another?
>
> To give some context, we needed to change the ring_creation_size and
> build out a new cluster.
> Once the cluster was built I initially tried riak-data-migrator
> (https://github.com/basho-labs/riak-data-migrator) but that caused the
> load across the old cluster to skyrocket and the tool would time out
> before it could actually receive any data.
>
> I then attempted riak-admin backup/restore. The backup took ~ 2 days.
> The restore seemed much slower going ~ 10 megabytes/hour. Needing to
> fill 26gb/node this seemed impractical.
>
> Are there any other recommended ways to migrate data? We're using
> leveldb as the only back-end. Appreciate any help.
>
> Thanks,
> Mark
>
> --
> Mark Rechler
> Infrastructure Engineer, Bitly
>
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> riak-users at lists.basho.com
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>
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