Apache Flink · Schema

CheckpointStatistics

CheckpointStatistics schema from Apache Flink REST API

ApacheBatch ProcessingBig DataOpen-SourceReal-Time AnalyticsStateful ComputingStream Processing

Properties

Name	Type	Description
alignment_buffered	integer
checkpoint_type	object
checkpointed_size	integer
className	string
end_to_end_duration	integer
id	integer
is_savepoint	boolean
latest_ack_timestamp	integer
num_acknowledged_subtasks	integer
num_subtasks	integer
persisted_data	integer
processed_data	integer
savepointFormat	string
state_size	integer
status	object
tasks	object
trigger_timestamp	integer

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/apache-flink/refs/heads/main/json-schema/flink-rest-checkpoint-statistics-schema.json",
  "title": "CheckpointStatistics",
  "description": "CheckpointStatistics schema from Apache Flink REST API",
  "type": "object",
  "properties": {
    "alignment_buffered": {
      "type": "integer",
      "format": "int64"
    },
    "checkpoint_type": {
      "$ref": "#/components/schemas/RestAPICheckpointType"
    },
    "checkpointed_size": {
      "type": "integer",
      "format": "int64"
    },
    "className": {
      "type": "string"
    },
    "end_to_end_duration": {
      "type": "integer",
      "format": "int64"
    },
    "id": {
      "type": "integer",
      "format": "int64"
    },
    "is_savepoint": {
      "type": "boolean"
    },
    "latest_ack_timestamp": {
      "type": "integer",
      "format": "int64"
    },
    "num_acknowledged_subtasks": {
      "type": "integer",
      "format": "int32"
    },
    "num_subtasks": {
      "type": "integer",
      "format": "int32"
    },
    "persisted_data": {
      "type": "integer",
      "format": "int64"
    },
    "processed_data": {
      "type": "integer",
      "format": "int64"
    },
    "savepointFormat": {
      "type": "string"
    },
    "state_size": {
      "type": "integer",
      "format": "int64"
    },
    "status": {
      "$ref": "#/components/schemas/CheckpointStatsStatus"
    },
    "tasks": {
      "type": "object",
      "additionalProperties": {
        "$ref": "#/components/schemas/TaskCheckpointStatistics"
      }
    },
    "trigger_timestamp": {
      "type": "integer",
      "format": "int64"
    }
  },
  "required": [
    "className"
  ]
}

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