Riak Search and Yokozuna Backup Strategy

Elias Levy fearsome.lucidity at gmail.com
Mon Jan 20 18:38:59 EST 2014


Anyone from Basho care to comment?


On Thu, Jan 16, 2014 at 10:19 AM, Elias Levy <fearsome.lucidity at gmail.com>wrote:

>
> Also, while LevelDB appears to be largely an append only format, the
> documentation currently does not recommend live backups, presumably because
> there are some issues that can crop up if restoring a DB that was not
> cleanly shutdown.
>
> I am guessing those issues are the ones documented as edge cases here:
> https://github.com/basho/leveldb/wiki/repair-notes
>
> That said, it looks like as of 1.4 those are largely cleared up, at least
> from what I gather from that page, and that one must only ensure that data
> is copied in a certain order and that you run the LevelDB repair algorithm
> when retiring the files.
>
> So is the backup documentation on LevelDB still correct?  Will Basho will
> enable hot backups on LevelDB backends any time soon?
>
>
>
> On Thu, Jan 16, 2014 at 10:05 AM, Elias Levy <fearsome.lucidity at gmail.com>wrote:
>
>> How well does Riak Search play with backups?  Can you backup the Riak
>> Search data without bringing the node down?
>>
>> The Riak documentation backup page is completely silent on Riak Search
>> and its merge_index backend.
>>
>> And looking forward, what is the backup strategy for Yokozuna?  Will it
>> make use of Solr's Replication Handler, or something more lower level?
>>  Will the node need to be offline to backup it up?
>>
>>
>
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