Implement VNode to improve bootstrapping
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Key: CASSANDRA-3768
URL: https://issues.apache.org/jira/browse/CASSANDRA-3768
Project: Cassandra
Issue Type: New Feature
Components: Core
Affects Versions: 1.2
Environment: JVM
Reporter: Vijay
Assignee: Vijay
Priority: Minor
Fix For: 1.2
Implementation of vnode will provide us with lot of advantages automatically
balancing the cluster when 1 node is added to the cluster.
Some Problems which VNodes can solve:
When we have a balanced large cluster doubling a live cluster is not an very
good option and often this makes us to over provision.
The above is true when we want to shrink a cluster too.
Currently in my organization often we have use cases where we have to refresh
production cluster's into a dev clusters. There is a strong need where we can
have different sized clusters and data' can be fork lift data's into and out of
it without over engineering or complicating the recovery process.
In some cases bootstrapping a node which which has a large amount of data might
take longer than needed and it might cause the neighbors to be over loaded.
I am not sure if i know all the changes which needs to be performed to get to
that state, but this ticket will get us started.
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