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CAT shards

Introduced 1.0

The CAT shards operation lists the state of all primary and replica shards and how they are distributed.

Path and HTTP methods

GET _cat/shards

Query parameters

All parameters are optional.

In addition to the common parameters, you can specify the following parameters:

Parameter Type Description
bytes Byte size Specify the units for byte size. For example, 7kb or 6gb. For more information, see Supported units.
local Boolean Whether to return information from the local node only instead of from the cluster manager node. Default is false.
cluster_manager_timeout Time The amount of time to wait for a connection to the cluster manager node. Default is 30 seconds.
cancel_after_time_interval Time The amount of time after which the shard request will be canceled. Default is -1.
time Time Specify the units for time. For example, 5d or 7h. For more information, see Supported units.

Example requests

The following example requests returns information about shards:

GET _cat/shards?v

To see only the information about shards of a specific index, add the index name after your query.

GET _cat/shards/<index>?v

If you want to get information for more than one index, separate the indexes with commas:

GET _cat/shards/index1,index2,index3

Example response

index | shard | prirep | state   | docs | store | ip |       | node
plugins | 0   |   p    | STARTED |   0  |  208b | 172.18.0.4 | odfe-node1
plugins | 0   |   r    | STARTED |   0  |  208b | 172.18.0.3 |  odfe-node2          
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