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From "Josh Elser (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-4050) Serialize table configs into a single ZK node
Date Tue, 13 Sep 2016 01:13:21 GMT


Josh Elser commented on ACCUMULO-4050:

It's not clear to me what a "configuration container" means. Can one of you describe this
in more detail, maybe include an example that would outline how the existing set of properties
in ZK would appear with this suggested design?

Similarly, what defines a snapshot WRT the data stored in ZK? Using ZK transaction id, maybe
ZNode Version?
Any thought on how these snapshots could be used to enable follow-on work which enables us
to build a client API that can guarantee that Accumulo servers have seen some configuration

> Serialize table configs into a single ZK node
> ---------------------------------------------
>                 Key: ACCUMULO-4050
>                 URL:
>             Project: Accumulo
>          Issue Type: Sub-task
>            Reporter: Christopher Tubbs
>             Fix For: 2.0.0
> Use a single ZK node to store table configs, rather than split across multiple configs.
This should make it easier to implement atomic changes to the configuration, and should simplify
reading loading/saving configuration from/to ZooKeeper.

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