This is an excellent question, need this info for myself as well. --John
On Mon, Jun 22, 2015 at 7:40 AM, Hemanth Yamijala <[email protected]> wrote: > Hi, > > I was testing the rebalance functionality on Storm 0.9.4. > > storm rebalance <name> -w 10 -n 2 > - Works as expected. It increased the number of workers to 2. > > storm rebalance <name> -w 10 -n 2 -e <bolt-name>=20 > - Works only for increasing the number of workers, but did *not* change > the number of executors of <bolt-name>. > > I came across this question on StackOverflow: > http://stackoverflow.com/questions/18716780/storm-v0-8-2-rebalance-command-not-updating-the-number-of-executors-for-a-bolt > > > which seems to indicate that the number of executors is bounded by the > number of tasks, and if number of executors = number of tasks (which it is > in my case), we can't increase this further. > > Is this right ? Is there a way we can increase the number of executors at > run time without restarting the topology (along with increasing number of > workers) ? > > Thanks > Hemanth >
