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  1. IMPALA
  2. IMPALA-9383

HS2 HTTP server hangs on large chunked requests

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: Impala 3.4.0
    • Component/s: None
    • Labels:
      None
    • Epic Color:
      ghx-label-7

      Description

      There's a bug in THttpTransport that causes it to hang when sent a large, chunked request.

      The issue is that in each call to THttpTransport::read(), it always starts by calling refill() which reads more data off the socket, but for chunked requests each call to read() only processes a single chunk.

      So, if more than one chunk is read off the socket at a time, you can end up with more chunks still needing to be processed but no more data to read off the socket, and the next call to THttpTransport::read() will hang when it calls refill().

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            • Assignee:
              twmarshall Thomas Tauber-Marshall
              Reporter:
              twmarshall Thomas Tauber-Marshall
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              • Created:
                Updated:
                Resolved: