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From "Kanak Biscuitwala (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HELIX-349) Coalesce different types of callbacks
Date Thu, 09 Jan 2014 18:43:50 GMT
Kanak Biscuitwala created HELIX-349:

             Summary: Coalesce different types of callbacks
                 Key: HELIX-349
                 URL: https://issues.apache.org/jira/browse/HELIX-349
             Project: Apache Helix
          Issue Type: Improvement
            Reporter: Kanak Biscuitwala

HELIX-281 is related to making sure that message callbacks in the controller don't starve
other types of callbacks in the controller. A more general problem is that we can get a large
number of callbacks for any listener, including a large number of external view updates for
the spectator, among other situations.

There should be a way to coalesce these callbacks to prevent them from coming in faster than
Helix components can update themselves.

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