Shards stats requests

Shard statistics requests

Method Path Description
GET /v1/shards/stats Get stats for all shards
GET /v1/shards/stats/{uid} Get stats for a specific shard

Get all shards stats

GET /v1/shards/stats

Get statistics for all shards.

Required permissions

Permission name
view_all_shard_stats

Request

Example HTTP request

GET /shards/stats?interval=1hour&stime=2014-08-28T10:00:00Z 

Request headers

Key Value Description
Host cnm.cluster.fqdn Domain name
Accept application/json Accepted media type

Query parameters

Field Type Description
parent_uid integer Only return shard from the given BDB ID (optional)
interval string Time interval for which we want stats: 1sec/10sec/5min/15min/1hour/12hour/1week (optional)
stime ISO_8601 Start time from which we want the stats. Should comply with the ISO_8601 format (optional)
etime ISO_8601 End time after which we don't want the stats. Should comply with the ISO_8601 format (optional)
metrics list Comma-separated list of metric names for which we want statistics (default is all) (optional)

Response

Returns a JSON array of statistics for all shards.

Example JSON body

[
  {
    "status": "active",
    "uid": "1",
    "node_uid": "1",
    "assigned_slots": "0-8191",
    "intervals": [
    {
      "interval": "1sec",
      "stime": "2015-05-28T08:27:35Z",
      "etime": "2015-05-28T08:27:40Z",
      "used_memory_peak": 5888264.0,
      "used_memory_rss": 5888264.0,
      "read_hits": 0.0,
      "pubsub_patterns": 0.0,
      "no_of_keys": 0.0,
      "mem_size_lua": 35840.0,
      "last_save_time": 1432541051.0,
      "sync_partial_ok": 0.0,
      "connected_clients": 9.0,
      "avg_ttl": 0.0,
      "write_misses": 0.0,
      "used_memory": 5651440.0,
      "sync_full": 0.0,
      "expired_objects": 0.0,
      "total_req": 0.0,
      "blocked_clients": 0.0,
      "pubsub_channels": 0.0,
      "evicted_objects": 0.0,
      "no_of_expires": 0.0,
      "interval": "1sec",
      "write_hits": 0.0,
      "read_misses": 0.0,
      "sync_partial_err": 0.0,
      "rdb_changes_since_last_save": 0.0
    },
    {
      "interval": "1sec",
      "stime": "2015-05-28T08:27:40Z",
      "etime": "2015-05-28T08:27:45Z",
      "// additional fields..."
      }
    ]
  },
  {
    "uid": "2",
    "status": "active",
    "node_uid": "1",
    "assigned_slots": "8192-16383",
    "intervals": [
      {
        "interval": "1sec",
        "stime": "2015-05-28T08:27:35Z",
        "etime": "2015-05-28T08:27:40Z",
        "// additional fields..."
      },
      {
        "interval": "1sec",
        "stime": "2015-05-28T08:27:40Z",
        "etime": "2015-05-28T08:27:45Z",
        "// additional fields..."
      }
    ]
  }
]

Status codes

Code Description
200 OK No error
404 Not Found No shards exist

Get shard stats

GET /v1/shards/stats/{int: uid}

Get statistics for a specific shard.

Required permissions

Permission name
view_shard_stats

Request

Example HTTP request

GET /shards/stats/1?interval=1hour&stime=2014-08-28T10:00:00Z 

Request headers

Key Value Description
Host cnm.cluster.fqdn Domain name
Accept application/json Accepted media type

URL parameters

Field Type Description
uid integer The unique ID of the shard requested.

Query parameters

Field Type Description
interval string Time interval for which we want stats: 1sec/10sec/5min/15min/1hour/12hour/1week (optional)
stime ISO_8601 Start time from which we want the stats. Should comply with the ISO_8601 format (optional)
etime ISO_8601 End time after which we don't want the stats. Should comply with the ISO_8601 format (optional)

Response

Returns statistics for the specified shard.

Example JSON body

{
  "uid": "1",
  "status": "active",
  "node_uid": "1",
  "role": "master",
  "intervals": [
    {
      "interval": "1sec",
      "stime": "2015-05-28T08:24:13Z",
      "etime": "2015-05-28T08:24:18Z",
      "avg_ttl": 0.0,
      "blocked_clients": 0.0,
      "connected_clients": 9.0,
      "etime": "2015-05-28T08:24:18Z",
      "evicted_objects": 0.0,
      "expired_objects": 0.0,
      "last_save_time": 1432541051.0,
      "used_memory": 5651440.0,
      "mem_size_lua": 35840.0,
      "used_memory_peak": 5888264.0,
      "used_memory_rss": 5888264.0,
      "no_of_expires": 0.0,
      "no_of_keys": 0.0,
      "pubsub_channels": 0.0,
      "pubsub_patterns": 0.0,
      "rdb_changes_since_last_save": 0.0,
      "read_hits": 0.0,
      "read_misses": 0.0,
      "stime": "2015-05-28T08:24:13Z",
      "sync_full": 0.0,
      "sync_partial_err": 0.0,
      "sync_partial_ok": 0.0,
      "total_req": 0.0,
      "write_hits": 0.0,
      "write_misses": 0.0
    },
    {
      "interval": "1sec",
      "stime": "2015-05-28T08:24:18Z",
      "etime": "2015-05-28T08:24:23Z",

      "// additional fields..."
    }
  ]
}

Status codes

Code Description
200 OK No error
404 Not Found Shard does not exist
406 Not Acceptable Shard isn't currently active
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