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Cluster concurrent rebalance ignored on node allocation exclusion #14057
The setting cluster.routing.allocation.cluster_concurrent_rebalance appears to be ignored when moving shard off a node that has been excluded from allocation with the setting cluster.routing.allocation.exclude._ip .
ES Version: 1.7.2
Repeatedly experienced with the following steps:
This results in 80 shards rebalancing at a time until all shards are removed from the excluded node.
I can confirm the issue. The root cause is that rebalancing constraints are not taken into consideration when shards that can no longer remain on a node need to be moved. AFAICS, it affects the following options: