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Get snapshot API

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Get snapshot API

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Retrieves information about one or more snapshots.

GET /_snapshot/my_repository/my_snapshot

Request

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GET /_snapshot/<repository>/<snapshot>

Prerequisites

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If the Elasticsearch security features are enabled, you must have the monitor_snapshot, create_snapshot, or manage cluster privilege to use this API.

Path parameters

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<repository>

(Required, string) Comma-separated list of snapshot repository names used to limit the request. Wildcard (*) expressions are supported including combining wildcards with exclude patterns starting with -.

To get information about all snapshot repositories registered in the cluster, omit this parameter or use * or _all.

<snapshot>

(Required, string) Comma-separated list of snapshot names to retrieve. Wildcard (*) expressions are supported including combining wildcards with exclude patterns starting with -.

To get information about all snapshots in a registered repository, use a wildcard (*) or _all.
To get information about any snapshots that are currently running, use _current.

Using _all in a request fails if any snapshots are unavailable. Set ignore_unavailable to true to return only available snapshots.

Query parameters

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master_timeout: (Optional, time units) Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error. Defaults to 30s.

ignore_unavailable

(Optional, Boolean) If false, the request returns an error for any snapshots that are unavailable. Defaults to false.

If true, the request ignores snapshots that are unavailable, such as those that are corrupted or temporarily cannot be returned.

verbose

(Optional, Boolean) If true, returns additional information about each snapshot such as the version of Elasticsearch which took the snapshot, the start and end times of the snapshot, and the number of shards snapshotted. Defaults to true. If false, omits the additional information.

index_names

(Optional, Boolean) If true, returns the list of index names included in each snapshot in the response. Defaults to true.

index_details

(Optional, Boolean) If true, returns additional information about each index in the snapshot comprising the number of shards in the index, the total size of the index in bytes, and the maximum number of segments per shard in the index. Defaults to false, meaning that this information is omitted.

sort

(Optional, string) Allows setting a sort order for the result. Defaults to start_time, i.e. sorting by snapshot start time stamp.

Valid values for sort

start_time: Sort snapshots by their start time stamp and break ties by snapshot name.
duration: Sort snapshots by their duration and break ties by snapshot name.
name: Sort snapshots by their name.
repository: Sort snapshots by their repository name and break ties by snapshot name.
index_count: Sort snapshots by the number of indices they contain and break ties by snapshot name.
shard_count: Sort snapshots by the number of shards they contain and break ties by snapshot name.
failed_shard_count: Sort snapshots by the number of shards that they failed to snapshot and break ties by snapshot name.

size

(Optional, integer) Maximum number of snapshots to return. Defaults to 0 which means return all that match the request without limit.

order

(Optional, string) Sort order. Valid values are asc for ascending and desc for descending order. Defaults to asc, meaning ascending order.

from_sort_value

(Optional, string) Value of the current sort column at which to start retrieval. Can either be a string snapshot- or repository name when sorting by snapshot or repository name, a millisecond time value or a number when sorting by index- or shard count.

after

(Optional, string) Offset identifier to start pagination from as returned by the next field in the response body. Using this parameter is mutually exclusive with using the from_sort_value parameter.

offset

(Optional, integer) Numeric offset to start pagination from based on the snapshots matching this request. Using a non-zero value for this parameter is mutually exclusive with using the after parameter. Defaults to 0.

slm_policy_filter

(Optional, string) Filter snapshots by a comma-separated list of SLM policy names that snapshots belong to. Also accepts wildcards (\*) and combinations of wildcards followed by exclude patterns starting with -. For example, the pattern *,-policy-a-\* will return all snapshots except for those that were created by an SLM policy with a name starting with policy-a-. Note that the wildcard pattern * matches all snapshots created by an SLM policy but not those snapshots that were not created by an SLM policy. To include snapshots not created by an SLM policy you can use the special pattern _none that will match all snapshots without an SLM policy.

The after parameter and next field allow for iterating through snapshots with some consistency guarantees regarding concurrent creation or deletion of snapshots. It is guaranteed that any snapshot that exists at the beginning of the iteration and is not concurrently deleted will be seen during the iteration. Snapshots concurrently created may be seen during an iteration.

The parameters size, order, after, from_sort_value, offset, slm_policy_filter and sort are not supported when using verbose=false and the sort order for requests with verbose=false is undefined.

Response body

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snapshot

(string) Name of the snapshot.

uuid

(string) Universally unique identifier (UUID) of the snapshot.

version_id

(int) Build ID of the Elasticsearch version used to create the snapshot.

version

(float) Elasticsearch version used to create the snapshot.

indices

(array) List of indices included in the snapshot.

index_details

(object) Details of each index in the snapshot, keyed by index name. Only present if the ?index_details query parameter is set, and only contains details for indices that were completely snapshotted in a sufficiently recent version of Elasticsearch.

Properties of index_details

shard_count: (integer) Number of shards in this index.
size: (string) Total size of all shards in this index. Only present if the ?human query paramter is set.
size_in_bytes: (long) Total size of all shards in this index, in bytes.
max_segments_per_shard: (integer) Maximum number of segments per shard in this index snapshot.

data_streams

(array of strings) List of data streams included in the snapshot.

include_global_state

(Boolean) Indicates whether the current cluster state is included in the snapshot.

feature_states

(array of objects) Feature states in the snapshot. Only present if the snapshot contains one or more feature states.

Properties of features_states objects

feature_name: (string) Name of the feature, as returned by the get features API.
indices: (array of strings) Indices in the feature state.

start_time

(string) Date timestamp of when the snapshot creation process started.

start_time_in_millis

(long) The time, in milliseconds, when the snapshot creation process started.

end_time

(string) Date timestamp of when the snapshot creation process ended.

end_time_in_millis

(long) The time, in milliseconds, when the snapshot creation process ended.

duration_in_millis

(long) How long, in milliseconds, it took to create the snapshot.

failures

(array) Lists any failures that occurred when creating the snapshot.

shards

(object) Contains a count of shards in the snapshot.

Properties of shards

total: (integer) Total number of shards included in the snapshot.
successful: (integer) Number of shards that were successfully included in the snapshot.
failed: (integer) Number of shards that failed to be included in the snapshot.

state

(string) The snapshot state can be one of the following values:

Values for state

IN_PROGRESS: The snapshot is currently running.
SUCCESS: The snapshot finished and all shards were stored successfully.
FAILED: The snapshot finished with an error and failed to store any data.
PARTIAL: The global cluster state was stored, but data of at least one shard was not stored successfully. The failures section of the response contains more detailed information about shards that were not processed correctly.

next

(string) If the request contained a size limit and there might be more results, a next field will be added to the response and can be used as the after query parameter to fetch additional results.

total

(integer) The total number of snapshots that match the request when ignoring size limit or after query parameter.

remaining

(integer) The number of remaining snapshots that were not returned due to size limits and that can be fetched by additional requests using the next field value.