[jira] [Created] (PROTON-584) Proton-c transport reserves large buffers for brief use

["Cliff Jansen (JIRA)" <ji...@apache.org>]

Cliff Jansen created PROTON-584:
-----------------------------------

             Summary: Proton-c transport reserves large buffers for brief use
                 Key: PROTON-584
                 URL: https://issues.apache.org/jira/browse/PROTON-584
             Project: Qpid Proton
          Issue Type: Improvement
          Components: proton-c
    Affects Versions: 0.8
            Reporter: Cliff Jansen


When processing transfer frames for incoming messages, Proton requires a temporary buffer holding the whole transfer frame briefly in contiguous space in the transport before moving it to the engine proper which holds the content in a separate memory area.

pn_transport_capacity grows the buffer in the non-ssl case (transport->input_buf), and openssl.c largely duplicates the code (including the comment about "no limit") for ssl->inbuf for ssl connections.

Either way, a large message will trigger reserving a similarly large buffer for the rest of the life of the connection.

Is it necessary for the transport to buffer the whole message body and hang on to that memory?




--
This message was sent by Atlassian JIRA
(v6.2#6252)