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Today `cluster.routing.allocation.allow_rebalance` defaults to `indices_all_active` which blocks all rebalancing moves while the cluster is in `yellow` or `red` health. This was appropriate for the legacy allocator which might do too many rebalancing moves otherwise. The desired-balance allocator has better support for rebalancing a cluster that is not in `green` health, and expects to be able to rebalance some shards away from over-full nodes to avoid allocating shards to undesirable locations in the first place. This commit changes the default `allow_rebalance` setting to `always`. |
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| .. | ||
| cluster | ||
| discovery | ||
| indices | ||
| network | ||
| cluster.asciidoc | ||
| discovery.asciidoc | ||
| gateway.asciidoc | ||
| http.asciidoc | ||
| network.asciidoc | ||
| node.asciidoc | ||
| plugins.asciidoc | ||
| remote-cluster-network.asciidoc | ||
| remote-clusters-shared.asciidoc | ||
| remote-clusters.asciidoc | ||
| threadpool.asciidoc | ||
| transport.asciidoc | ||