managed-flink-diagnostics

name	managed-flink-diagnostics
version	1.0.0
last_updated	2025-04-12
description	Use this skill to investigate and troubleshoot Amazon Managed Service for Apache Flink (formerly Kinesis Data Analytics) problems by analyzing application creation, startup, Flink job failures, checkpointing, source/sink connectors, scaling, parallelism, state management, watermarks, VPC connectivity, IAM permissions, Studio notebooks, and following structured runbooks. Activate when: application creation failures, start errors, Flink job failures, checkpoint issues, connector errors, scaling problems, state management issues, watermark problems, VPC connectivity failures, IAM errors, Studio notebook issues, or the user says something is wrong with Managed Flink or Kinesis Data Analytics.
compatibility	Requires AWS CLI or SDK access with kinesisanalyticsv2, kinesis, s3, iam, cloudwatch, logs, ec2, and cloudtrail permissions.

Amazon Managed Service for Apache Flink Diagnostics

When to use

Any Managed Flink investigation — application creation, startup, Flink job failures, checkpointing, source/sink connectors, scaling, parallelism, state management, watermarks, VPC connectivity, IAM permissions, or Studio notebooks.

Investigation workflow

Step 1 — Collect and triage

aws kinesisanalyticsv2 list-applications --query 'ApplicationSummaries[*].{Name:ApplicationName,Status:ApplicationStatus,RuntimeEnvironment:RuntimeEnvironment}'
aws kinesisanalyticsv2 describe-application --application-name <app-name>
aws cloudwatch get-metric-statistics --namespace AWS/KinesisAnalytics --metric-name downtime --dimensions Name=Application,Value=<app-name> --start-time <start> --end-time <end> --period 300 --statistics Maximum