Andrew Wong created KUDU-3209:
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Summary: Allow decommissioning tool to run without rebalancing the
rest of the cluster
Key: KUDU-3209
URL: https://issues.apache.org/jira/browse/KUDU-3209
Project: Kudu
Issue Type: Improvement
Components: CLI, ops-tooling
Reporter: Andrew Wong
Currently when specifying {{--move_replicas_from_ignored_tservers}} to the
rebalancer tool, the tool first empties the ignored tablet servers, and then
runs rebalancing of the rest of the cluster. While true to its name as the
"rebalancer tool", this tight coupling isn't always desired, especially given
how heavy-weight a full cluster rebalancing can be upon first usage.
It'd be nice if users could specify some {{--empty_ignored_tservers_only}} flag
that made no attempt at further rebalancing once decommissioning completes.
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