Leif Hedstrom created TS-4228:
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Summary: traffic_manager can hang in a tight read() loop
Key: TS-4228
URL: https://issues.apache.org/jira/browse/TS-4228
Project: Traffic Server
Issue Type: Bug
Components: Manager
Reporter: Leif Hedstrom
Under certain conditions, traffic_server does not seem to proxy the cop health
check properly to the traffic_manager. Due to poor error handling in the
manager thread, this can cause it to run indefinitely in a read() loop.
I think we should strengthen the code in manager, to check FD with a poll()
before every read and write, and allow it to fail after a certain timeout
(based on Cop's behavior) such that at least we end up killing the request and
manager thread.
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