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Kernel Load-Balancing for Docker Containers Using IPVS | via @codeship

mardi 17 novembre 2015 à 18:16
@jeekajoo links
Un article sur IPVS qui existe depuis 15ans dans le kernel linux, et qui reste une petite perle. Je rappele que c'est basé sur netfilter.

Bonnes perfs:
"""
In testing, IPVS’ performance was nearly the same TPS as a normal connection. HAProxy and MySQL proxy were around 60 percent of its speed.
"""

Quelques bénéfices qui peuvent pousser son adoption:
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   UDP support
   Dynamically configurable
   More than eight balancing methods
   Health checking
"""

Conclusion:
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To conclude his talk, Sibiryov briefly compared IPVS to a $25,000 enterprise hardware load balancer. While GORB is still relatively new (he cautioned to watch out for bugs), IPVS is open-source, configurable, and like GORB, it’s also free. It requires no special software or tools, and can leverage a 1 GBPS line with only 1 percent CPU usage in DR mode (MAC L2).

Plus, IPVS has a 1,000-word man page instead of a vendor manual, and let’s not forget that it’s 15 years old. Simplicity and stability, Sibiryov stressed, make IPVS a serious alternative to enterprise load-balancing hardware.
"""
En supplément, cette discussion entre Jérôme Petazzoni et un des papas de Kubernetes: https://twitter.com/jpetazzo/status/666244030645346304
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