Why doesn't the master do this? Why not just set it up so that you can tell the master that the maximum number of regions for the soon-to-go region server is 0?
On Thu, Jan 27, 2011 at 3:53 PM, Jean-Daniel Cryans <[email protected]>wrote: > Writing this gives me an idea... I think one "easy" way we could > achieve this region draining problem is by writing a jruby script > that: > > 1- Retrieves the list of regions served by a RS > 2- Disables master balancing > 3- Moves one by one every region out of the RS, assigning them to the > other RSs in a round-robin fashion > 4- Shuts down the RS > 5- Reenables master balancing > > I wonder if it would work... At least it's a process that you could > stop at any time without breaking everything. >
