warn of imbalanced ranges in nodetool ring
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Key: CASSANDRA-1553
URL: https://issues.apache.org/jira/browse/CASSANDRA-1553
Project: Cassandra
Issue Type: Improvement
Components: Tools
Reporter: Jonathan Ellis
Priority: Minor
Fix For: 0.6.6, 0.7.0
I'd like to enhance nodetool ring to show the % of the token range that it is
responsible for according to the partitioner (that is, before considering
replication). For RandomParitioner this is easy. For OPP we can estimate
using describe_splits. I'd also like to issue a warning if any node N has more
than 25% more of the ring than another node M.
(The reason we need to use the range for this instead of load, is load may
include an arbitrary amount of data that no longer belongs to the node, pending
removal by cleanup.)
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