Tips :
start with low request and high limits
observe..
increase request to request what needed in normal processing
lower limits to... what your strategy is. It can be 10% more than request for example or the same than request if you want to be safe
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                https://links.infomee.fr/?O-2Lkw
  
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                https://links.infomee.fr/?O-2LkwL'utilisation des stick-table dans haproxy. On peut s'en servir comme compteurs pour empêcher les abus (ddos, crawl..)
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                http://blog.haproxy.com/2012/02/27/use-a-load-balancer-as-a-first-row-of-defense-against-ddos/
  
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                http://blog.haproxy.com/2012/02/27/use-a-load-balancer-as-a-first-row-of-defense-against-ddos/En augmentant le rate limit de rsyslog ça passe
imuxsock lost
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                http://serverfault.com/questions/444061/imuxsock-messages-in-syslog-and-system-becomes-unresponsive
  
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                http://serverfault.com/questions/444061/imuxsock-messages-in-syslog-and-system-becomes-unresponsive