Get information about the shards in a cluster. For data streams, the API returns information about the backing indices. IMPORTANT: cat APIs are only intended for human consumption using the command line or Kibana console. They are not intended for use by applications. ##Required authorization
- Index privileges:
monitor* Cluster privileges:monitor
Query parameters
-
The unit used to display byte values.
Values are
b,kb,mb,gb,tb, orpb. -
List of columns to appear in the response. Supports simple wildcards.
-
List of columns that determine how the table should be sorted. Sorting defaults to ascending and can be changed by setting
:ascor:descas a suffix to the column name. -
Period to wait for a connection to the master node.
Values are
-1or0. -
Unit used to display time values.
Values are
nanos,micros,ms,s,m,h, ord.
GET _cat/shards?v=true&h=index,prirep,shard,store&s=prirep,store&bytes=gb
curl \
--request GET 'http://api.example.com/_cat/shards'
[
{
"index": "my-index-000001",
"shard": "0",
"prirep": "p",
"state": "STARTED",
"docs": "3014",
"store": "31.1mb",
"dataset": "249b",
"ip": "192.168.56.10",
"node": "H5dfFeA"
}
]
[
{
"index": "my-index-000001",
"shard": "0",
"prirep": "p",
"state": "STARTED",
"docs": "3014",
"store": "31.1mb",
"dataset": "249b",
"ip": "192.168.56.10",
"node": "H5dfFeA"
}
]
[
{
"index": "my-index-000001",
"shard": "0",
"prirep": "p",
"state": "RELOCATING",
"docs": "3014",
"store": "31.1mb",
"dataset": "249b",
"ip": "192.168.56.10",
"node": "H5dfFeA -> -> 192.168.56.30 bGG90GE"
}
]
[
{
"index": "my-index-000001",
"shard": "0",
"prirep": "p",
"state": "STARTED",
"docs": "3014",
"store": "31.1mb",
"dataset": "249b",
"ip": "192.168.56.10",
"node": "H5dfFeA"
},
{
"index": "my-index-000001",
"shard": "0",
"prirep": "r",
"state": "INITIALIZING",
"docs": "0",
"store": "14.3mb",
"dataset": "249b",
"ip": "192.168.56.30",
"node": "bGG90GE"
}
]
[
{
"index": "my-index-000001",
"shard": "0",
"prirep": "p",
"state": "STARTED",
"unassigned.reason": "3014 31.1mb 192.168.56.10 H5dfFeA"
},
{
"index": "my-index-000001",
"shard": "0",
"prirep": "r",
"state": "STARTED",
"unassigned.reason": "3014 31.1mb 192.168.56.30 bGG90GE"
},
{
"index": "my-index-000001",
"shard": "0",
"prirep": "r",
"state": "STARTED",
"unassigned.reason": "3014 31.1mb 192.168.56.20 I8hydUG"
},
{
"index": "my-index-000001",
"shard": "0",
"prirep": "r",
"state": "UNASSIGNED",
"unassigned.reason": "ALLOCATION_FAILED"
}
]