Apache Flink · JSON Structure

Flink Rest Task Checkpoint Statistics Structure

TaskCheckpointStatistics schema from Apache Flink REST API

Type: object Properties: 11
ApacheBatch ProcessingBig DataOpen SourceReal-Time AnalyticsStateful ComputingStream Processing

TaskCheckpointStatistics is a JSON Structure definition published by Apache Flink, describing 11 properties. It conforms to the https://json-structure.org/meta/core/v0/# meta-schema.

Properties

alignment_buffered checkpointed_size end_to_end_duration id latest_ack_timestamp num_acknowledged_subtasks num_subtasks persisted_data processed_data state_size status

Meta-schema: https://json-structure.org/meta/core/v0/#

JSON Structure

Raw ↑ 
{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/apache-flink/refs/heads/main/json-structure/flink-rest-task-checkpoint-statistics-structure.json",
  "name": "TaskCheckpointStatistics",
  "description": "TaskCheckpointStatistics schema from Apache Flink REST API",
  "type": "object",
  "properties": {
    "alignment_buffered": {
      "type": "int64"
    },
    "checkpointed_size": {
      "type": "int64"
    },
    "end_to_end_duration": {
      "type": "int64"
    },
    "id": {
      "type": "int64"
    },
    "latest_ack_timestamp": {
      "type": "int64"
    },
    "num_acknowledged_subtasks": {
      "type": "int32"
    },
    "num_subtasks": {
      "type": "int32"
    },
    "persisted_data": {
      "type": "int64"
    },
    "processed_data": {
      "type": "int64"
    },
    "state_size": {
      "type": "int64"
    },
    "status": {
      "type": "string"
    }
  }
}