https://wiki.johnharrison.cc/ 2026-06-15T23:13:55+00:00 https://wiki.johnharrison.cc/ https://wiki.johnharrison.cc/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2022-11-07T22:26:17+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.johnharrison.cc/doku.php?id=lwc:mqtt:haproxy&rev=1667859977&do=diff Handydandy snippets * validate configuration: haproxy -c -V -f /etc/haproxy/haproxy.cfg All the links you can shake a stick at * Configuring for many connections * configuring for multi-threading (not recommended) * HA Proxy with SSL termination on 14.04 by Digital Ocean * settings used by Lelyan for MQTT HA Proxy * HTTP vs. TCP mode * HA Proxy settings on ubuntu 14.04 * compile haproxy with LibreSSL instead of OpenSSL How HA Proxy certs get renewed with certbot (letsencrypt)… text/html 2021-10-06T18:18:39+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.johnharrison.cc/doku.php?id=lwc:mqtt:loadtesting&rev=1633544319&do=diff MZBench & VMQ_MZBench Overview and Installation * MZBench is a generic load testing tool which uses bdl files to describe a load. * VMQ_MZBench is an extension (aka worker) to MZBench allowing you to load test an MQTT broker. * MZBench source code is too old to build on modern text/html 2021-09-17T01:53:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.johnharrison.cc/doku.php?id=lwc:mqtt:vernemq&rev=1631843605&do=diff Configuration Notes * On ubuntu 14.04, 16.04 20.04 you need to change a permission to get VerneMQ to work with ports under 1024: sudo /sbin/setcap 'cap_net_bind_service=ep' /usr/lib/vernemq/erts-8.2/bin/beam.smp