Niyam Siwach created CASSANDRA-21276:
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Summary: Fix s390x test failures in ViewPKTest,
PartitionIndexTest, and MemoryTest on s390x
Key: CASSANDRA-21276
URL: https://issues.apache.org/jira/browse/CASSANDRA-21276
Project: Apache Cassandra
Issue Type: Bug
Components: Test/unit
Reporter: Niyam Siwach
Assignee: Niyam Siwach
ViewPKTest.testNullInClusteringColumns performs base-table mutations with
execute / executeNet, but materialized view updates are asynchronous. Switching
these statements to updateView() makes the test wait for pending view mutations
and avoids race-driven failures on slower s390x runs.
PartitionIndexTest creates a helper thread with a 32 KB stack, which is too
small on s390x and can fail in this environment. Increasing the stack size to
256 KB makes the test stable.
MemoryTest currently relies on native-endian buffers, but Memory is defined as
little-endian. On big-endian s390x, the test must compare against LITTLE_ENDIAN
buffers explicitly, otherwise it validates the wrong byte order.
This will be a test-only fix to make the existing test suite behave correctly
on s390x without changing production behavior.
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