Database Reference
In-Depth Information
Notice that we have nimbus.log , which has details about Nimbus' startup, error, and
info logs; ui.log is created on the node where we start the Storm UI application.
The logs on the supervisor nodes can be obtained by using the following commands on
shell:
Cd /mnt/my_logs/strom/storm_logs
ls-lart
The listing of the supervisor log directory is shown in the following screenshot:
One can see supervisor logs and worker logs. The supervisor logs capture the details about
the supervisor starting up, any errors, and so on. The worker logs are the ones where the
developer's topology logs appear along with Storm logs for various bolts and spouts.
So if we want to troubleshoot the Storm daemon processes, we would look at nim-
bus.log and supervisor.log . If you're having issues, then you need to debug us-
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