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| layout | title | parent | nav_order | has_children |
|---|---|---|---|---|
| default | CAT health | CAT API | 20 | false |
CAT health
Introduced 1.0 {: .label .label-purple }
The CAT health operation lists the status of the cluster, how long the cluster has been up, the number of nodes, and other useful information that helps you analyze the health of your cluster.
Example
GET _cat/health?v
Path and HTTP methods
GET _cat/health?v
URL parameters
All CAT health URL parameters are optional.
| Parameter | Type | Description |
|---|---|---|
| time | Time | Specify the units for time. For example, 5d or 7h. For more information, see Supported units. |
| ts | Boolean | If true, returns HH:MM:SS and Unix epoch timestamps. Default is true. |
Response
GET _cat/health?v&time=5d
epoch | timestamp | cluster | status | node.total | node.data | shards | pri | relo | init | unassign | pending_tasks | max_task_wait_time | active_shards_percent
1624248112 | 04:01:52 | odfe-cluster | green | 2 | 2 | 16 | 8 | 0 | 0 | 0 | 0 | - | 100.0%