Axibase Time Series Database

Entity: metrics

Description

Retrieves a list of metrics collected by the entity.

Request

Method Path
GET /api/v1/entities/{entity}/metrics

Path Parameters

Name Type Description
entity string Entity name.

Query Parameters

Name Type Description
expression string Include metrics that match a filter expression consisting of fields and operators. Example: name LIKE 'cpu*'.
Supported wildcards: * and ?.
minInsertDate string Include metrics with last insert date equal or greater than specified time.
minInsertDate can be specified in ISO format or using calendar keywords.
maxInsertDate string Include metrics with last insert date less than specified time.
maxInsertDate can be specified in ISO format or using calendar keywords.
useEntityInsertTime boolean Controls how lastInsertDate field in the response is calculated. If true, the field contains the maximum insert time of series collected for the given metric by the specified entity.
If false, the field contains the maximum insert time of series collected for the given metric by all entities.
Default: true.
limit integer Maximum number of metrics to retrieve, ordered by name.
tags string Comma-separated list of metric tags to be included in the response.
For example, tags=table,unit
Specify tags=* to include all metric tags.
addInsertTime boolean Controls whether lastInsertDate field is included in the response.
The default value is inherited from the default.addInsertTime setting on the Settings > Server Properties page which is set to true by default.

Expression

The expression can include any field specified in Metrics List method, such as name, label, and minValue, except the filter field and lastInsertDate which can be filtered using minInsertDate and maxInsertDate parameters for performance reasons.

String literals must be enclosed in single or double quotes.

Examples:

label IN ('Employed full time', 'OECD')

tags.fs='ext4'

name LIKE 'cpu*' AND dataType!='FLOAT'

Response

Fields

Refer to Fields specified in Metrics List method.

Example 1

Request

URI

GET /api/v1/entities/nurswgvml007/metrics?limit=2

Payload

None.

curl

curl https://atsd_hostname:8443/api/v1/entities/nurswgvml007/metrics?limit=2 \
  -k --user {username}:{password}

Response

[
  {
    "name": "cpu_busy",
    "enabled": true,
    "dataType": "FLOAT",
    "label": "CPU Busy %",
    "persistent": true,
    "retentionDays": 0,
    "seriesRetentionDays": 0,
    "minValue": 0,
    "maxValue": 100,
    "invalidAction": "TRANSFORM",
    "lastInsertDate": "2017-12-18T12:17:04.000Z",
    "versioned": false,
    "interpolate": "LINEAR",
    "timeZone": "US/Eastern"
  },
  {
    "name": "cpu_idle",
    "enabled": true,
    "dataType": "FLOAT",
    "persistent": true,
    "retentionDays": 0,
    "seriesRetentionDays": 0,
    "invalidAction": "NONE",
    "lastInsertDate": "2017-12-18T12:17:04.000Z",
    "versioned": false,
    "interpolate": "LINEAR"
  }
]

Example 2

Request

URI

GET /api/v1/entities/nurswgvml007/metrics?useEntityInsertTime=false&tags=*&limit=2

Payload

None.

curl

curl "https://atsd_hostname:8443/api/v1/entities/nurswgvml007/metrics?useEntityInsertTime=false&tags=*&limit=2" \
  --insecure --user {username}:{password}

Response

[
  {
    "name": "disk_used_percent",
    "enabled": true,
    "dataType": "DECIMAL",
    "label": "Disk Used, %",
    "persistent": true,
    "tags": {
      "table": "Disk (script)",
      "unit": "Percent (%)"
    },
    "retentionDays": 0,
    "seriesRetentionDays": 60,
    "minValue": 0,
    "maxValue": 100,
    "invalidAction": "TRANSFORM",
    "lastInsertDate": "2018-05-23T16:58:47.000Z",
    "filter": "!likeAny(tags.mount_point, collection('ignore-collector-mount-points'))",
    "versioned": false,
    "interpolate": "LINEAR"
  }
]

Additional examples

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