Database Reference
In-Depth Information
The max number of connections one supervisor can make is 30 with one Zoo-
keeper node. So, the maximum number of connections one supervisor can create
with three Zookeeper nodes is 90 (that is, 30*3).
The following screenshot shows a capture from the Storm UI depicting the used, avail-
able, and free slots:
Note
The number of workers in the Storm cluster is related to the number of connections avail-
able in the Zookeeper cluster. If you don't have sufficient Zookeeper cluster connections,
Storm supervisors will not be able to start.
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