Glow is an easy-to-use distributed computation system written in Go, similar to Hadoop Map Reduce, Spark, Flink, Storm, etc. I am also working on another similar pure Go system, https://github.com/chrislusf/gleam , which is more flexible and more performant.
https://github.com/chrislusf/glow/wiki/join-cogroup-groupbykey
Anyone's elseneed sorting by date time ?