Shard allocation filtering

Note

The per-table shard allocation filtering works in conjunction with Cluster Level Allocation.

It is possible to assign certain attributes to a node, see .

These attributes can be used with routing.allocation.* settings to allocate a table to a particular group of nodes.

The following settings are dynamic, allowing tables to be allocated (when defined on table creation) or moved (when defined by altering a table) from one set of nodes to another:

routing.allocation.include.{attribute}

routing.allocation.require.{attribute}

Assign the table to a node whose {attribute} has all of the comma-separated values.

routing.allocation.exclude.{attribute}

Assign the table to a node whose {attribute} has none of the comma-separated values.

Special attributes

Following special attributes are supported:

_name

_host_ip

Match nodes by host IP address (IP associated with hostname).

_publish_ip

Match nodes by publish IP address.

_ip

Match either _host_ip or _publish_ip.

Match nodes by hostname.