nsq-routing is a fork of nsq 1.2.0

features:

• message with the same routing key will route to the same client
• routing msg to channels, no "clone"
• drain channel data to topic before channel deletion
• clients will have auto-allocated channel with names "default-1" "default-2"...
• messages don't route to channel without active client
• one channel one client
• compatible with original nsq message format and data file