Attila Doroszlai created HDDS-3152:
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Summary: Reduce number of chunkwriter threads in integration tests
Key: HDDS-3152
URL: https://issues.apache.org/jira/browse/HDDS-3152
Project: Hadoop Distributed Data Store
Issue Type: Improvement
Components: test
Reporter: Attila Doroszlai
Assignee: Attila Doroszlai
Integration tests run multiple datanodes in the same JVM. Each datanode comes
with 60 chunk writer threads by default (may be decreased in HDDS-3053). This
makes thread dumps (eg. produced by {{GenericTestUtils.waitFor}} on timeout)
really hard to navigate, as there may be 300+ such threads.
Since integration tests are generally run with a single disk which is even
shared among the datanodes, a few threads per datanode should be enough.
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