0.9.0 change list

JStorm 0.9.0 介绍

Release 0.9.0

In this version, it will follow storm 0.9.0 interface, so the application running on storm 0.9.0 can run in jstorm 0.9.0 without any change.

Stability

1. provide nimbus HA. when the master nimbus shuts down, it will select another online nimbus to be the master. There is only one master nimbus online any time and the slave nimbuses just synchronouse the master's data.
2. RPC through netty is stable, the sending speed is match with receiving speed.

Powerful scheduler

1. Assigning resource on four dimensions:cpu, mem, disk, net
2. Application can use old assignment.
3. Application can use user-define resource.
4. Task can apply extra cpu slot or memory slot.
5. Application can force tasks run on different supervisor or the same supervisor