Without any exception/error message it is hard to tell. What is your cluster setup - Hardware, ie, number of cores per node? - How many node/supervisor are available? - Configured number of workers for the topology? - What is the number of task for each spout/bolt? - What is the number of executors for each spout/bolt?
-Matthias On 09/02/2015 08:02 PM, Nick R. Katsipoulakis wrote: > Hello all, > > I am working on a project in which I submit a topology to my Storm > cluster, but for some reason, some of my tasks do not start executing. > > I can see that the above is happening because every bolt I have needs to > connect to an external server and do a registration to a service. > However, some of the bolts do not seem to connect. > > I have to say that the number of tasks I have is larger than the number > of workers of my cluster. Also, I check my worker log files, and I see > that the workers that do not register, are also not writing some > initialization messages I have them print in the beginning. > > Any idea why this is happening? Can it be because my resources are not > enough to start off all of the tasks? > > Thank you, > Nick
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