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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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| .. | ||
| images | ||
| allocation_awareness.asciidoc | ||
| allocation_filtering.asciidoc | ||
| disk_allocator.asciidoc | ||
| misc.asciidoc | ||
| remote-clusters-api-key.asciidoc | ||
| remote-clusters-cert.asciidoc | ||
| remote-clusters-connect.asciidoc | ||
| remote-clusters-migration.asciidoc | ||
| remote-clusters-remote-info.asciidoc | ||
| remote-clusters-settings.asciidoc | ||
| remote-clusters-troubleshooting.asciidoc | ||
| shards_allocation.asciidoc | ||