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STORM: Summary of my topology giving wrong information on Storm UI !!

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Expert Contributor

I am seeing topology summary of my topology is giving wrong information of showing more number of executors and more no.of tasks than actually it is taking to run!!! Please refer to the screenshot attached and help me fix the issue...

3192-wrong-execs-tasks-info-in-topo-summary.png

I am not sure, what went wrong... why is the topology summary showing 33 executors & 33 tasks, when i actually configured code to use only 1 executor and 1 task!!

Also, as you can see, only summary part of the topology page is showing more executors/taks, but the actual reporting of Spouts/Bolts is showing correctly 1 exector/task for each respective spout/bolt..!! Can someone help me with your thoughs, on i am seeing wrong information in StormUI ? Thanks!!

1 ACCEPTED SOLUTION

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Expert Contributor

Found the reason for showing wrong summary in UI,

Below setting in my code is the reason to show more no.of executors/tasks in topology summary.

configured.setNumAckers(30);

Once i commented that line, topology summary is showing correct count!

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1 REPLY 1

avatar
Expert Contributor

Found the reason for showing wrong summary in UI,

Below setting in my code is the reason to show more no.of executors/tasks in topology summary.

configured.setNumAckers(30);

Once i commented that line, topology summary is showing correct count!