[KAFKA-9195] Use Randomized State Directory Names in Streams System Tests

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: streams, system tests
• Assignee: Unassigned
• Reporter: Bruno Cadonna
• Created: 15/Nov/19 10:45
• Updated: 13/Apr/21 05:35

Description

Currently, the state directory property in streams' system tests is set to the PERSISTENT_ROOT variable. Since Streams applications in different tests have the same application ID and the state directory path consists of state directory property + application ID + task ID, it might happen that a dirty state directory of one test is re-used by another test if the state directory is not properly cleaned up. This may lead to unexpected results and false positive and/or flaky failures.

The state directory property shall be set to a randomized path inside PERSISTENT_ROOT to ensure that tests may not interfere with each other in the case of missing state clean-ups.