Alex Jiang created SPARK-16246:
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Summary: Too many block-manager-slave-async-thread opened
(TIMED_WAITING) for spark Kafka streaming
Key: SPARK-16246
URL: https://issues.apache.org/jira/browse/SPARK-16246
Project: Spark
Issue Type: Bug
Components: Spark Core, Streaming
Affects Versions: 1.6.1
Reporter: Alex Jiang
I don't know if our spark streaming issue is related to this
(https://issues.apache.org/jira/browse/SPARK-15558).
Basically we have one Kafka receiver on each executor, and it ran fine for a
while. Then, the executor had a lot of waiting thread accumulated (Thread 1224:
block-manager-slave-async-thread-pool-1083 (TIMED_WAITING)). And the executor
kept open such new thread. Eventually, it reached the maximum number of the
thread on that executor and Kafka receiver on that executor failed.
Could someone please shed some light on this?
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