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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

When removenode doesn't work (nodetool assassinate)

Sometimes, despite our best efforts, even nodetool removenode fails to completely take a node out of the cluster. This can happen if the remove process hangs, or if another node crashes during this time. Whatever the cause, sometimes a node may appear to be removed to some nodes, but not to others. For edge cases like these, the nodetool assassinate command exists, and is used as follows:

nodetool assassinate 192.168.0.102

This command completely removes the node from the cluster, without streaming any data. It should only be used as a last resort, and only if either decommission or removenode fail to work.

If a node is particularly stubborn about leaving gossip, you may need to run assassinate ...
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Publisher Resources

ISBN: 9781789131499Supplemental Content