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Subscriber never receiving message Fan out #28
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Hi @artandor thanks for the issue. In other words: does the test script start running, or not? do you see latency graph for the QoS 0 metrics? |
In the "MQTT connections pane" do you have 500 or 501 connections? (1 publisher). |
Oh, and start playing around with the timing. Slow down the connection setup, for instance, instead of poisson 1000, set it to poisson 100. Then wait with the publisher for a little longer before you start publishing: wait(20 sec) or something. The underlying bench client is brutally asynchrounous which leads to strange timing effects possibly. EDIT: on my laptop your script works as is. |
I use this to bench VerneMQ. (what broker are you testing?) |
I'm testing it to bench on rabbitmq and activemq at the moment Edit0 : Ok so, it's working on activemq now, but not on rabbitmq. Is there vernemq specific code in your package ? Edit1: I'm still trying to find out what's wrong with RabbitMQ specificaly, I'll post an update and close the ticket once i find out. |
Hi @artandor did you figure out what the problem was? |
Hi, no i did not. |
Hi, I'm currently benchmarking mqtt for both rabbitmq, vernemq and activemq.
I think mzbench is the most valuable tool to do this, but I struggle pretty hard. My subsciribers never receive the produced messages. I tried a lot of custom scenario, but even the official scenarios from this repo doesn't work.
Here is the scenario.
Thanks in advance for answering, this is a pretty urgent benchmark :)
Have a nice day
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