Hi Margus, See which bolts have high 'Capacity' values in the Storm UI, and whether any of those are close to / above 1 to get a clue about where the bottleneck might be.
On Tue, Jan 20, 2015 at 3:38 AM, Margus Roo <[email protected]> wrote: > Hi > > I have simple topology Kafka consumer (Spout) and HBase writer (bolt) > > Sometimes some messages getting failed status. Most of time topology works > well but I'd like to know what is exact reason why message fails. As much I > have read there is timeout (default 30s) when message fails. But this is > not enough. I need to know where is bottleneck to improve. > Timeouts appears behind spout. As much I understand Spout gets ack in case > message is fully processed by topology. > So the question is where to dig ? > > -- > Margus (margusja) Roo > http://margus.roo.ee > skype: margusja > +372 51 480 > >
