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  1. Kafka
  2. KAFKA-2779

Kafka SSL transport layer leaks file descriptors

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Details

    • Bug
    • Status: Resolved
    • Critical
    • Resolution: Fixed
    • 0.9.0.0
    • 0.9.0.0
    • network
    • None

    Description

      There is currently no transition from read() to close() in SslTransportLayer to handle graceful shutdown requests. As a result, Kafka SSL connections are never shutdown gracefully. In addition to this, close() does not handle ungraceful termination of connections correctly. If flush() fails because the other end has performed a close (eg. because graceful termination was not handled), Kafka prints out a warning and does not close the socket. This leaks file descriptors.

      We are seeing a large number of open file descriptors because our health checks to Kafka result in connections that are neither terminated gracefully nor closed correctly.

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            rsivaram Rajini Sivaram
            rsivaram Rajini Sivaram
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              Updated:
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