# Get global aggregated metrics

Retrieves global aggregated feed performance metrics for a specific operation and owner type combination within a time window. Includes average times, total measurements, and user counts.

RBAC:
- requires ANY of Jobs.Read, Jobs.Manage

Endpoint: GET /api/v1/admin/feed/metrics/global-single
Version: 1.0
Security: 

## Query parameters:

  - `operation` (string, required)
    Feed operation type (populate, merge, unmerge, redis, redisLex, cache, idsDb, db, add, remove)
    Enum: "populate", "merge", "unmerge", "redis", "redisLex", "cache", "idsDb", "db", "add", "remove"

  - `ownerType` (string, required)
    Owner type (USER, GROUP, EVENT, CATEGORY)
    Enum: "USER", "EVENT", "CATEGORY"

  - `window` (string, required)
    Time window for aggregation (TEN_MINUTES, ONE_HOUR, TWENTY_FOUR_HOURS or 10m, 1h, 24h)
    Enum: "TEN_MINUTES", "ONE_HOUR", "TWENTY_FOUR_HOURS"

## Response 200 fields (application/json):

  - `globalAverage` (number)

  - `totalMeasurements` (integer)

  - `totalTime` (integer)

  - `userCount` (integer)

  - `lastUpdated` (string, required)
    Example: "2022-03-10T16:15:50Z"

  - `operation` (string, required)
    Enum: "populate", "merge", "unmerge", "redis", "redisLex", "cache", "idsDb", "db", "add", "remove"

  - `ownerType` (string,null)
    Owner types for posts:
      * USER - user’s channel (personal or group channel)
      * EVENT - event (personal or group)
      * CATEGORY - forum category

       POST OWNER: 
      - Personal channel
          - userId = author
          - ownerId = userId (Type.USER)
          - ownerType = USER
          - groupId = null
      - Forum post
          - userId = author
          - ownerId = categoryId (Type.CATEGORY)
          - ownerType = CATEGORY
          - groupId = forum’s groupId
      - Personal event
          - userId = author
          - ownerId = eventId (Type.EVENT)
          - ownerType = EVENT
          - groupId = null
      - Group channel
          - userId = author
          - ownerId = channel userId (Type.USER)
          - ownerType = USER
          - groupId = groupId
      - Group event
          - userId = author
          - ownerId = eventId (Type.EVENT)
          - ownerType = EVENT
          - groupId = groupId
    Enum: "USER", "EVENT", "CATEGORY"

## Response 403 fields (application/json):

  - `errorCode` (string, required)
    Error code

  - `message` (string, required)
    Error message

  - `docUrl` (string)
    Link to documentation