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edf27a599e
This commit adds a new setting `cluster.persistent_tasks.allocation.enable`
that can be used to enable or disable the allocation of persistent tasks.
The setting accepts the values `all` (default) or `none`. When set to
none, the persistent tasks that are created (or that must be reassigned)
won't be assigned to a node but will reside in the cluster state with
a no "executor node" and a reason describing why it is not assigned:
```
"assignment" : {
"executor_node" : null,
"explanation" : "persistent task [foo/bar] cannot be assigned [no
persistent task assignments are allowed due to cluster settings]"
}
```
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| .. | ||
| allocation_awareness.asciidoc | ||
| allocation_filtering.asciidoc | ||
| disk_allocator.asciidoc | ||
| misc.asciidoc | ||
| shards_allocation.asciidoc | ||