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https://issues.apache.org/jira/browse/DISPATCH-332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15280288#comment-15280288
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Ted Ross commented on DISPATCH-332:
-----------------------------------
Can you provide information about what distribution settings you were using in
your test? What addresses did you use? Did you provide any configuration for
those addresses? Were they multicast, closest, or balanced?
-Ted
> Heavy message loss happening with 2 interconnected routers
> ----------------------------------------------------------
>
> Key: DISPATCH-332
> URL: https://issues.apache.org/jira/browse/DISPATCH-332
> Project: Qpid Dispatch
> Issue Type: Bug
> Components: Routing Engine
> Affects Versions: 0.6.0
> Environment: Debian 8.3, Qpid Proton 0.12.2 for drivers and
> dependency for Qpid Dispatch, Hardware: 2 CPUs, 15 GB RAM, 30 GB HDD.
> Reporter: Vishal Sharda
> Assignee: Ted Ross
> Priority: Blocker
> Fix For: 0.6.0
>
>
> We are running two Dispatch Routers each configured for interior mode and the
> second router's configuration includes a connector to the first router with
> inter-router role.
> When we connect one sender to one router and one receiver to the other router
> both listening to the same queue, we see all messages (20,000 in our test)
> being transmitted.
> As soon as we start a second sender connected to the same router to which the
> first sender connects and sending to the same queue, we start seeing heavy
> message loss. Around 20% of messages are lost with each sender attempting to
> send 20,000 messages on its own (40,000 in total) and running in parallel
> with the other sender. The message loss happens regardless of the message
> size.
> We tried with simple_send.py, simple_recv.py as well as send and recv C
> executable files from Qpid Proton 0.12.2.
> We even saw a crash in the router with the following message:
> qdrouterd: /home/vsharda/qpid-dispatch/src/posix/threading.c:71:
> sys_mutex_lock: Assertion `result == 0' failed.
> Aborted
> The message loss was observed with the 0.6.0 SNAPSHOT taken on May 9 as well
> as the one taken on March 3 before the router core refactoring.
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