Shanthoosh Venkataraman created SAMZA-1748:
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Summary: Standalone failure tests.
Key: SAMZA-1748
URL: https://issues.apache.org/jira/browse/SAMZA-1748
Project: Samza
Issue Type: New Feature
Reporter: Shanthoosh Venkataraman
Assignee: Shanthoosh Venkataraman
In standalone model, a processor can leave and join a group at any point in
time.
This processor reshuffle is referred to as rebalancing which results in
task(work) redistribution amongst other available, live processors in the group.
Processor rebalancing in existing standalone integration tests(junit tests) is
accomplished through clean shutdown of the processors.
However, in real production scenarios, processor rebalancing is triggered
through unclean shutdown and full garbage collection(GC) of the processors.
As a part of this JIRA, a failure test suite covering these production like
scenarios will be added.
Failure test suite will be built using the zopkio test framework and will cover
the following test cases:
1. Force killing the leader processor of the group.
2. Force killing a single follower in the group.
3. Force killing multiple followers in the group.
4. Force killing the leader and follower in the group.
5. Pausing / resuming the leader of the group.
Since existing standalone integration tests cover event consumption/production
after a rebalancing phase, these new tests will just test the coordination.
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