Hi Matthias, Thanks for the response and the link. So when a supervisor dies, all the workers continue to run. It cleared my doubts.
Regards, Thilina On Mon, Jul 6, 2015 at 4:19 PM, Matthias J. Sax < [email protected]> wrote: > https://storm.apache.org/documentation/Fault-tolerance.html > > > On 07/06/2015 07:47 AM, Thilina Rathnayake wrote: > > I recently got to know about storm and I find it really interesting. I > > want to know > > what happens when a storm supervisor goes down. > > > > I am going through the following article to play with storm a bit and > > get to know > > what's really going on. > > > > http://www.michael-noll.com/tutorials/running-multi-node-storm-cluster/ > > > > I successfully started zookeeper, nimbus, storm UI and a single > supervisor. > > Also, I uploaded the WordCount topology in storm-starter example and got > > it running. I am monitoring this through the storm UI. > > > > However, when I kill my supervisor (using ctrl-c), I can see that all > > the emitted, > > transferred columns reset in the topology summary window in UI. When I > > restart > > the supervisor, it starts from zero. Does this mean that I have lost > > some of the > > state informations associated with my topology when the supervisor went > > down? > > > > Thanks in advance for any clarifications. > > > > Regards, > > Thilina > >
