Well,
We are talking about ~30 million items, in a single bucket. Those are
standard tweets, I need to alter all of them because of an invalid
structure.
My cluster is not in production, but I am willing to start validating a
procedure that will be used at some point on a production cluster,
that's a pre-release rehearsal.
I can write my own script that read/update every entries in big scan of
the bucket, but It may suffer from network lag, or other external
stuffs. I'd really like to learn how to alter a set of document in the
erlang console for instance, in order to validate that I can patch data
easily in something that would looks more like an SQL command (Yes,
that's not how it works, understand a map-reduce script in a mongo shell
for instance) in the Riak core than a programmatic fetch/update loop
that I already know.
Guillaume
On 08/06/2016 08:49, Damien Krotkine wrote:
Hi Guillaume,
If I understand correctly you need to change all the values of your JSON data.
How many keys are we talking about, how big are the data, and in how many
buckets are the keys?
Also, is your cluster in production yet?
Le 7 juin 2016 à 18:43, Guillaume Boddaert <[email protected]>
a écrit :
Hi,
I'd like to patch my current riak collection to rename a field inside a JSON
schema, how can I achieve that from command line on the riak server itself ? Is
there some kind of map/reduce mechanism that allow any json record to be
updated then saved to the riak cluster ?
Guillaume
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