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DatabricksPySparkSnowflakeApache Airflow

Incident Progress

Stage 1
Alert Received
Stage 2
Snowflake Validation
Stage 3
Databricks Investigation
Stage 4
Root Cause Analysis
Stage 5
Incident Creation
Stage 6
Data Cleanup
Stage 7
Pipeline Fix
Stage 8
Prevention & Closure
INCIDENT XP
900 XP
Data Status
DUPLICATED
Duplicate records detected in production
Incident Status
OPEN
Investigation in progress
Data Accuracy
IMPACTED
Metrics mismatch detected
Business Impact
HIGH
Reports showing inflated values

Airflow DAG Monitoring

S3 File Detection
Ingestion Job Run 1
Retry Trigger (Auto)
Ingestion Job Run 2
Snowflake Load (Append Issue)
Validation Check

Incident War Room

Business Operations
Sales dashboard shows inflated numbers in today's report.
Data Engineering Lead
We’ve detected duplicate records in DAILY_SALES table after pipeline retry.
Source Systems Team
Upstream job was retried automatically, same dataset may have been reprocessed.
Analytics Team
KPIs are inconsistent due to duplicate order entries in production dataset.
Duplicate Load Timeline
Same inventory file was reprocessed due to retry execution, causing duplicate records in downstream tables.
Data Volume Anomaly Metrics
First Ingestion Run: 06:00 AM (SUCCESS) Retry Execution: 06:20 AM (RE-RUN TRIGGERED) Duplicate Load Impact: Same dataset processed twice
🔴 HIGH PRIORITY INCIDENT

Duplicate Data Load Incident

Investigate and resolve a production issue where duplicate records were loaded due to retry and missing idempotency in ingestion pipelines.

Pipeline
daily_sales_dedup_ingestion
Severity
MEDIUM
Production ingestion workflow processed the same dataset multiple times due to retry execution, resulting in duplicate records in downstream tables.

🔔 Alert Received

Analytics team reported inflated sales numbers. Orders appear duplicated in production dashboard.
Alert: Duplicate Data Detected Table: DAILY_SALES Issue: Order values inflated Severity: HIGH

Root Cause Analysis

Duplicate Ingestion Evidence
Component: S3 Inventory Path
File Reprocessed via Retry
DETECTED
Component: Ingestion Job
Duplicate Execution Triggered
FAILED
Component: Order Table
Duplicate Records Inserted
CRITICAL
Duplicate Data Monitoring
Expected Arrival
05:00 AM
Duplicate Records
1.2M
Affected Orders
600K
Severity
HIGH
Data Integrity Status
COMPROMISED

Production Engineering Workspace

Incident Decision Engine

Choose the safest production action to remove duplicate records and restore data accuracy.