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Dangling indexes API

Introduced 1.0

After a node joins a cluster, dangling indexes occur if any shards exist in the node’s local directory that do not already exist in the cluster. Dangling indexes can be listed, deleted, or imported.

Path and HTTP methods

List dangling indexes:

GET /_dangling

Import a dangling index:

POST /_dangling/<index-uuid>

Delete a dangling index:

DELETE /_dangling/<index-uuid>

Path parameters

Path parameters are required.

Path parameter Description
index-uuid UUID of index.

Query parameters

Query parameters are optional.

Query parameter Data type Description
accept_data_loss Boolean Must be set to true for an import or delete because OpenSearch is unaware of where the dangling index data came from.
timeout Time units The amount of time to wait for a response. If no response is received in the defined time period, an error is returned. Default is 30 seconds.
cluster_manager_timeout Time units The amount of time to wait for a connection to the cluster manager. If no response is received in the defined time period, an error is returned. Default is 30 seconds.

Examples

The following are example requests and a example response.

Sample list

GET /_dangling

Sample import

POST /_dangling/msdjernajxAT23RT-BupMB?accept_data_loss=true

Sample delete

DELETE /_dangling/msdjernajxAT23RT-BupMB?accept_data_loss=true

Example response body

{
    "_nodes": {
        "total": 1,
        "successful": 1,
        "failed": 0
    },
    "cluster_name": "opensearch-cluster",
    "dangling_indices": [msdjernajxAT23RT-BupMB]
}
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