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What is the use of JVM_OPTS = "$ JVM_OPTS -Dcassandra.consistent.rangemovement = false

Can anyone explain what is being used

-JVM_OPTS="$JVM_OPTS -Dcassandra.consistent.rangemovement=false"

What is the default setting and how does it affect the joining of several nodes into a cluster?

All I'm connected with is the Datastax doc for cassandra utility

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According to NEWS.txt

Bootstrapping now provides persistent movements, which means that the data for the new node is taken from a node that is no longer responsible for this key range. If you need old behavior (possibly due to a lost node), you can set the following property ( -Dcassandra.consistent.rangemovement=false).

node , . , , node .

. , , , JVM -Dcassandra.consistent.rangemovement=false.

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Source: https://habr.com/ru/post/1653830/

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