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From Sasi <sasi.ja...@gmail.com>
Subject Can a zookeeper client be made to influence the client-to-server heartbeats?
Date Tue, 08 Jul 2014 01:39:30 GMT
In distributed systems that uses Apache Zookeeper for co-ordination, each
component is a client to the Zookeeper server, and it instantiates a
zookeeper instance, which in the background is sending heartbeats to the
zookeeper server. I understand that the time interval for heartbeat
communication is configurable. In situations when the "component" itself
goes into a "faulty" state but the "heartbeats" to zookeeper is good and
unaffected, proper state of this component is not communicated to the rest
of the components in the system.

Is it possible out of the box, to influence the heartbeat mechanism -
typically by passing a "status reporting function" to the zookeeper instance
- to "validate" the status of the component before sending the heartbeat ?



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