Chase Bradford created CASSANDRA-13566:
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Summary: CqlInputFormat misconfigures thread pool
Key: CASSANDRA-13566
URL: https://issues.apache.org/jira/browse/CASSANDRA-13566
Project: Cassandra
Issue Type: Bug
Components: Core
Reporter: Chase Bradford
Priority: Trivial
The ThreadPoolExecutor used to fetch subsplits is configured with 0 core size,
128 max size and an unbounded queue for buffering tasks. The unbounded queue
will keep the pool from growing above the bare minimum size, which results in
an executor that only allocates a single thread. I think the intent was to
allow up to 128 threads. If that's the case, then core size should change to
128.
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