jm + multicast   2

Topics in High-Performance Messaging
'We have worked together in the field of high-performance messaging for many years, and in that time, have seen some messaging systems that worked well and some that didn't. Successful deployment of a messaging system requires background information that is not easily available; most of what we know, we had to learn in the school of hard knocks. To save others a knock or two, we have collected here the essential background information and commentary on some of the issues involved in successful deployments. This information is organized as a series of topics around which there seems to be confusion or uncertainty. Please contact us if you have questions or comments.'
messaging  scalability  scaling  performance  udp  tcp  protocols  multicast  latency 
december 2015 by jm
Turbocharging Solr Index Replication with BitTorrent
Etsy now replicating their multi-GB search index across the search farm using BitTorrent. Why not Multicast? 'multicast rsync caused an epic failure for our network, killing the entire site for several minutes. The multicast traffic saturated the CPU on our core switches causing all of Etsy to be unreachable.' fun!
etsy  multicast  sev1  bittorrent  search  solr  rsync  scaling  outages 
february 2012 by jm

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