Hi, I’d like to increase our cluster’s n value from 2 to n=3. The documentation says this is ‘not recommended’ but it doesn’t say why and the functionality is there so… ☺ Once I change the setting for a specific bucket There seem to be 2 ways of making sure existing objects in the bucket get a 3rd copy:
- Force a read repair - Wait for the Active Anti-Entropy to resolve all missing replicas Some questions about this: - Is there a way to know that AAE is done with a bucket and all content is now stored with n=3? - If I do a read with r=1 (default?), is there a chance that a node will respond with ‘content not found’ and will it be left at that, or will riak continue searching for the object on a different node? - Will it automatically do a repair when a ‘not found’ is triggered? I guess what I’m trying to find out is…. What ways are there to make sure all content has achieved 3 replica’s after changing to n=3? Best regards, Max
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