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Real-time Analytics with Storm and Cassandra by Shilpi Saxena

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Storm troubleshooting

As developers, we need to accept the reality that things do go wrong and debugging is required. This section is going to equip you to handle such situations effectively and efficiently. The first thing is to understand two root mantras of the programming world:

  • Work as if everything that could break will break
  • Anything that could break can be fixed

Having accepted the reality, let's address the situation first by understanding what could fail and then have a clear understanding of where we should start the analysis to help us handle any situation with the Storm cluster. Let's get to grips with the various pointers that show us the problems and thus guide us to prospective solutions.

The Storm UI

First of all, let's understand ...

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