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From "Josh Elser (JIRA)" <>
Subject [jira] [Resolved] (ACCUMULO-1067) InstanceOperations.setProperty / getSystemConfiguration inconsistent state
Date Wed, 19 Nov 2014 22:07:33 GMT


Josh Elser resolved ACCUMULO-1067.
    Resolution: Duplicate

Thanks for filing, [~jklucar]. This is a known issue with how we use ZooKeeper for configuration
(specifically ZooCache). ACCUMULO-1568 would be the proper solution to avoid getting stale
information from caches around ZooKeeper.

> InstanceOperations.setProperty / getSystemConfiguration inconsistent state
> --------------------------------------------------------------------------
>                 Key: ACCUMULO-1067
>                 URL:
>             Project: Accumulo
>          Issue Type: Bug
>          Components: client
>         Environment: Found when testing 1.5/trunk MiniAccumuloCluster, but could exist
in real clusters.
>            Reporter: Jim Klucar
>            Priority: Minor
> Performing an InstanceOperations.setProperty followed by an InstanceOperations.getSystemConfiguration
can show that the property set wasn't actually set. This is most likely due to the fact that
getSystemConfiguration contacts a random tserver to get the configuration, and that request
could be received before the pub/sub event from Zookeeper is received.  Potential solution
is to have this method contact the Master directly.

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