[jira] [Created] (FLINK-22221) Unclear purpose of spill directories

[Shang Yuanchun (Jira)]

Chesnay Schepler created FLINK-22221:
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             Summary: Unclear purpose of spill directories
                 Key: FLINK-22221
                 URL: https://issues.apache.org/jira/browse/FLINK-22221
             Project: Flink
          Issue Type: Sub-task
          Components: Runtime / Network, Runtime / Task
            Reporter: Chesnay Schepler


It's not clear what the difference here is:
{code}
org.apache.flink.runtime.io.disk.FileChannelManagerImpl      [] - FileChannelManager uses directory /tmp/flink-io-cbd9feba-f02e-469d-9abb-4bc1423d805c for spill files.
org.apache.flink.runtime.io.disk.FileChannelManagerImpl      [] - FileChannelManager uses directory /tmp/flink-netty-shuffle-6f5b22e6-226b-43ba-aebd-e346ed641cb2 for spill files.
{code}



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