Ritika Reddy created KAFKA-16117:
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Summary: Add Integration test for checking if the correct assignor
is chosen
Key: KAFKA-16117
URL: https://issues.apache.org/jira/browse/KAFKA-16117
Project: Kafka
Issue Type: Sub-task
Reporter: Ritika Reddy
h4. We are trying to test this section of the KIP-848
h4. Assignor Selection
The group coordinator has to determine which assignment strategy must be used
for the group. The group's members may not have exactly the same assignors at
any given point in time - e.g. they may migrate from an assignor to another one
for instance. The group coordinator will chose the assignor as follow:
* A client side assignor is used if possible. This means that a client side
assignor must be supported by all the members. If multiple are, it will respect
the precedence defined by the members when they advertise their supported
client side assignors.
* A server side assignor is used otherwise. If multiple server side assignors
are specified in the group, the group coordinator uses the most common one. If
a member does not provide an assignor, the group coordinator will default to
the first one in {{{}group.consumer.assignors{}}}.
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