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---
mapped_pages:
- https://www.elastic.co/guide/en/elasticsearch/client/curator/current/option_post_allocation.html
---
# post_allocation [option_post_allocation]
::::{note}
This setting is only used by the [shrink](/reference/shrink.md) action.
::::
```yaml
action: shrink
description: >-
Shrink selected indices on the node with the most available space.
Apply shard routing allocation to target indices.
options:
shrink_node: DETERMINISTIC
post_allocation:
allocation_type: include
key: node_tag
value: cold
filters:
- filtertype: ...
```
The only permitted subkeys for `post_allocation` are the same options used by the [allocation](/reference/allocation.md) action: [allocation_type](/reference/option_allocation_type.md), [key](/reference/option_key.md), and [value](/reference/option_value.md).
If present, these values will be use to apply shard routing allocation to the target index after shrinking.
There is no default value for `post_allocation`.
|
