[jira] [Updated] (STORM-2938) Share CuratorFramework instance in a process (daemons/worker)

["Jungtaek Lim (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/STORM-2938?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jungtaek Lim updated STORM-2938:
--------------------------------
    Priority: Minor  (was: Major)

> Share CuratorFramework instance in a process (daemons/worker)
> -------------------------------------------------------------
>
>                 Key: STORM-2938
>                 URL: https://issues.apache.org/jira/browse/STORM-2938
>             Project: Apache Storm
>          Issue Type: Improvement
>          Components: storm-client, storm-server
>            Reporter: Jungtaek Lim
>            Priority: Minor
>
> According to Curator web site, each process (nimbus, supervisor, worker, etc.) can share singleton curator framework instance per ZK cluster since it's thread-safe.
> [http://curator.apache.org/curator-framework/]
> {quote}CuratorFrameworks are allocated using the CuratorFrameworkFactory which provides both factory methods and a builder for creating instances. IMPORTANT: CuratorFramework instances are fully thread-safe. You should share one CuratorFramework per ZooKeeper cluster in your application.
> {quote}
> We are using Curator 4.0 both master and 1.x branch, hence we are good to apply this.
> We already applied this for Nimbus via STORM-2901. This issue is to track the efforts for other processes.



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