Hi Vijayakumar,
On Sat, Apr 14, 2012 at 2:57 AM, vijayakumar <[email protected]> wrote: > Hi, > As our application moves from one release to another, we need to alter > the existing records in riak [Say changes like adding new field to the json > with a default value]. What's the ideal way to handle such schema changes > (if indexing is required for such fields). Is it possible to run a > mapreduce on existing buckets and update the records? I am not find any > help links for the above mentioned migration. > Riak Version:1.1 > > The short answer is "yes, that's possible". That said, at the moment I'm not aware of any existing code/resources that could walk you through it. Anyone have anything they can share? Keep in mind that running something like this over all your data is going to put a lot of load on your cluster and might lead to some timeouts and interesting debugging. Out of curiosity, how many keys do you need to update? Mark > Thanks and Regards, > Vijayakumar. > > > > _______________________________________________ > riak-users mailing list > [email protected] > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com > >
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