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Mastering Apache Cassandra 3.x - Third Edition
book

Mastering Apache Cassandra 3.x - Third Edition

by Aaron Ploetz, Tejaswi Malepati
October 2018
Beginner to intermediate content levelBeginner to intermediate
348 pages
10h
English
Packt Publishing
Content preview from Mastering Apache Cassandra 3.x - Third Edition

Removing a live node

Scaling down by removing a live node (that is, a node which is still functioning) can be accomplished using the nodetool decommission command. Decommissioning a live node begins by putting the node in a status of UL, for up and leaving. This prevents the node from being included in serving queries by a coordinator.

Additionally, the token range is adjusted for all nodes in the data center. Data on the node is then streamed to the nodes that will be responsible for the data. The command begins the decommissioning process on the node specified by the host (-h) parameter, or runs on the current node if none is specified:

nodetool decommission -h 192.168.0.101

Or we can use as follows:

nodetool decommission

Once the command ...

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Publisher Resources

ISBN: 9781789131499Supplemental Content