michael goulish created PROTON-1408:
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Summary: long-lived connections suffer large performance hit after
many messages
Key: PROTON-1408
URL: https://issues.apache.org/jira/browse/PROTON-1408
Project: Qpid Proton
Issue Type: Bug
Components: proton-c
Reporter: michael goulish
In long-running soak tests, in which connections are never taken down, I am
seeing a sudden & severe performance degradation when the number of messages
over the connection reaches about 6.4 billion.
This is happening in tests with two senders, two receivers & one router
intermediating.
I have tried C libUV clients as well as CPP clients. Behavior is not
identical, but I see sudden performance drop, ie. 8x throughput decrease or
worse, in both cases.
Alan / Ted / Ken see an issue in use of improper comparison logic in
pn_do_disposition(), in transport.c . I am trying to prove this now.
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