MongoDB at IronMQ Alexander Kolesen Hello 

MongoDB at IronMQ Alexander Kolesen IronMQ create queue POST message into queue GET message(s) from queue DELETE message from queue 

MongoDB at IronMQ Alexander Kolesen IronMQ Written on Go (high scalable, in/out) Client libs: Ruby, Python, PHP, Go, Java, Clojure, .NET, RESTful HTTP API 

MongoDB at IronMQ Alexander Kolesen IronMQ Limitations Max message size: 64KB Max expiration time: 30 days Max msg count per GET: 100 250,000 message requests per month free 

MongoDB at IronMQ Alexander Kolesen MongoDB Backend Storage For Messages And Queues 

MongoDB at IronMQ Alexander Kolesen MongoDB Performance (IronMQ) Internets lie, don’t trust tests You have to test it by yourself ⇠5000 IronMQ requests/s ⇠90% ‘locked‘ state 

MongoDB at IronMQ Alexander Kolesen Sharding Topology (1) RS on highmem instances 3 ‘config‘/‘mongos‘ 

MongoDB at IronMQ Alexander Kolesen Sharding Topology (2) RS on highmem instances 3 config servers on RS slaves ‘mongos‘ on each instance 

MongoDB at IronMQ Alexander Kolesen Choosing Shard Key That’s very important! Shouldn’t choose monotonically increasing key Just revert it! 

MongoDB at IronMQ Alexander Kolesen The End Q? [email protected]