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DatabricksPySparkSnowflakeApache Airflow

🔍 Log Hunter

Investigate production incidents and identify the true root cause hidden inside the logs.

Rank🎓 Trainee Engineer
Total XP⭐ 0 XP
Levels🏆 0 / 100
Best Streak🔥 Best Streak: 0
Rank Progress0 / 500 XP

🏅 Achievements (0 / 14)

🔒🎯 First Incident Solved
🔒🏆 Easy Tier Conqueror
🔒🏅 Level 10 Master
🔒👑 Level 20 Legend
🔒👑 Level 30 Grandmaster
🔒⚡ Level 40 Expert
🔒🎖️ Level 50 Master
🔒🔥 Level 60 Elite
🔒🛡️ Level 70 Commander
🔒⭐ Level 80 Veteran
🔒🏛️ Level 90 Architect
🔒👑 Log Hunter — 100 Incidents Resolved
🔒🔥 Perfect Streak
🔒🚀 Log Hunter Veteran
Level 1🔓 Unlocked

Schema Mismatch

Easy⭐ 100 XP
Investigate →
Level 2🔒 Locked

Out Of Memory

Easy⭐ 100 XP
Level 3🔒 Locked

Missing File

Easy⭐ 100 XP
Level 4🔒 Locked

Permission Denied

Easy⭐ 100 XP
Level 5🔒 Locked

DAG Dependency Failure

Easy⭐ 100 XP
Level 6🔒 Locked

Duplicate Customer Records

Medium⭐ 150 XP
Level 7🔒 Locked

Partition Skew

Medium⭐ 150 XP
Level 8🔒 Locked

Late Arriving Data

Medium⭐ 150 XP
Level 9🔒 Locked

Schema Evolution Conflict

Medium⭐ 150 XP
Level 10🔒 Locked

Watermark Corruption

Medium⭐ 150 XP
Level 11🔒 Locked

Kafka Consumer Lag

Medium⭐ 150 XP
Level 12🔒 Locked

Corrupt Parquet File

Medium⭐ 150 XP
Level 13🔒 Locked

CDC Merge Failure

Medium⭐ 150 XP
Level 14🔒 Locked

Checkpoint Corruption

Medium⭐ 150 XP
Level 15🔒 Locked

Delta Concurrent Write Conflict

Medium⭐ 150 XP
Level 16🔒 Locked

Airflow DAG Dependency Failure

Hard⭐ 200 XP
Level 17🔒 Locked

Warehouse Storage Exhausted

Hard⭐ 200 XP
Level 18🔒 Locked

Schema Evolution Failure

Hard⭐ 200 XP
Level 19🔒 Locked

Massive Data Skew

Hard⭐ 250 XP
Level 20🔒 Locked

Production Pipeline Outage

Expert⭐ 300 XP
Level 21🔒 Locked

Data Quality Meltdown

Expert⭐ 300 XP
Level 22🔒 Locked

Multi-Region Replication Failure

Expert⭐ 350 XP
Level 23🔒 Locked

Spark Executor Crash Loop

Expert⭐ 400 XP
Level 24🔒 Locked

Lakehouse Metadata Corruption

Expert⭐ 450 XP
Level 25🔒 Locked

Streaming Backpressure Crisis

Expert⭐ 500 XP
Level 26🔒 Locked

Kubernetes Node Failure

Expert⭐ 550 XP
Level 27🔒 Locked

Cross-System Data Reconciliation

Expert⭐ 600 XP
Level 28🔒 Locked

Security Breach Investigation

Expert⭐ 650 XP
Level 29🔒 Locked

Enterprise Data Platform Outage

Legendary⭐ 750 XP
Level 30🔒 Locked

The Final Incident

Legendary⭐ 1000 XP
Level 31🔒 Locked

Notebook Syntax Error

Medium⭐ 150 XP
Level 32🔒 Locked

Undefined Variable

Medium⭐ 150 XP
Level 33🔒 Locked

Duplicate Notebook Trigger

Medium⭐ 150 XP
Level 34🔒 Locked

Notebook Infinite Loop

Hard⭐ 200 XP
Level 35🔒 Locked

Incorrect Join Logic

Hard⭐ 200 XP
Level 36🔒 Locked

Notebook Dependency Missing

Medium⭐ 150 XP
Level 37🔒 Locked

Wrong Path Configuration

Medium⭐ 150 XP
Level 38🔒 Locked

Deadlock During Merge

Hard⭐ 200 XP
Level 39🔒 Locked

Wrong Notebook Parameter

Medium⭐ 150 XP
Level 40🔒 Locked

Notebook Version Conflict

Hard⭐ 200 XP
Level 41🔒 Locked

Broadcast Join Failure

Hard⭐ 200 XP
Level 42🔒 Locked

Driver Memory Exhausted

Hard⭐ 200 XP
Level 43🔒 Locked

dbutils Secrets Failure

Hard⭐ 200 XP
Level 44🔒 Locked

Accidental Table Truncate

Expert⭐ 300 XP
Level 45🔒 Locked

Cached Data Staleness

Hard⭐ 250 XP
Level 46🔒 Locked

Recursive Notebook Call

Expert⭐ 300 XP
Level 47🔒 Locked

Delta Vacuum Disaster

Expert⭐ 300 XP
Level 48🔒 Locked

Checkpoint Path Deleted

Expert⭐ 300 XP
Level 49🔒 Locked

UDF Performance Meltdown

Expert⭐ 300 XP
Level 50🔒 Locked

Notebook Race Condition

Expert⭐ 350 XP
Level 51🔒 Locked

Small Files Explosion

Hard⭐ 250 XP
Level 52🔒 Locked

Optimize Skipped

Hard⭐ 250 XP
Level 53🔒 Locked

ZORDER Missing

Hard⭐ 250 XP
Level 54🔒 Locked

Unity Catalog Access Failure

Hard⭐ 200 XP
Level 55🔒 Locked

Wrong Catalog Selected

Medium⭐ 150 XP
Level 56🔒 Locked

Auto Loader Schema Drift

Hard⭐ 250 XP
Level 57🔒 Locked

Merge Condition Error

Hard⭐ 250 XP
Level 58🔒 Locked

Accidental Overwrite

Expert⭐ 300 XP
Level 59🔒 Locked

Driver Disk Full

Hard⭐ 250 XP
Level 60🔒 Locked

Job Cluster Terminated

Medium⭐ 150 XP
Level 61🔒 Locked

Bad Incremental Logic

Hard⭐ 250 XP
Level 62🔒 Locked

Null Primary Key

Medium⭐ 150 XP
Level 63🔒 Locked

Corrupted Delta Transaction Log

Expert⭐ 350 XP
Level 64🔒 Locked

Streaming Backpressure

Hard⭐ 250 XP
Level 65🔒 Locked

Shuffle Spill Disaster

Hard⭐ 250 XP
Level 66🔒 Locked

Wrong Environment Variable

Medium⭐ 150 XP
Level 67🔒 Locked

Delta History Missing

Expert⭐ 300 XP
Level 68🔒 Locked

Cross Join Accident

Hard⭐ 250 XP
Level 69🔒 Locked

Orphaned Streaming Query

Hard⭐ 250 XP
Level 70🔒 Locked

Retry Storm

Expert⭐ 300 XP
Level 71🔒 Locked

Photon Disabled

Hard⭐ 250 XP
Level 72🔒 Locked

Broadcast Threshold Misconfiguration

Hard⭐ 250 XP
Level 73🔒 Locked

Partition Pruning Failure

Hard⭐ 250 XP
Level 74🔒 Locked

Checkpoint Version Conflict

Expert⭐ 300 XP
Level 75🔒 Locked

Table Lock Contention

Hard⭐ 250 XP
Level 76🔒 Locked

Broken Notebook Chain

Medium⭐ 150 XP
Level 77🔒 Locked

Invalid Secret Expired

Hard⭐ 250 XP
Level 78🔒 Locked

Auto Loader Duplicate Ingestion

Expert⭐ 300 XP
Level 79🔒 Locked

Executor Loss

Hard⭐ 250 XP
Level 80🔒 Locked

Production Data Leak

Expert⭐ 400 XP
Level 81🔒 Locked

collect() Disaster

Hard⭐ 250 XP
Level 82🔒 Locked

Cartesian Join Explosion

Hard⭐ 250 XP
Level 83🔒 Locked

Wrong Filter Logic

Medium⭐ 150 XP
Level 84🔒 Locked

Duplicate CDC Records

Hard⭐ 250 XP
Level 85🔒 Locked

Broadcast Failure

Hard⭐ 250 XP
Level 86🔒 Locked

SCD Type 2 Bug

Expert⭐ 300 XP
Level 87🔒 Locked

Missing Partition Filter

Hard⭐ 250 XP
Level 88🔒 Locked

Wrong Watermark

Hard⭐ 250 XP
Level 89🔒 Locked

Cache Never Released

Hard⭐ 250 XP
Level 90🔒 Locked

Wrong Repartition Count

Medium⭐ 150 XP
Level 91🔒 Locked

Forgot DropDuplicates

Medium⭐ 150 XP
Level 92🔒 Locked

Bad Window Function

Hard⭐ 250 XP
Level 93🔒 Locked

Overwrite Instead Of Append

Expert⭐ 300 XP
Level 94🔒 Locked

Incorrect Schema Cast

Medium⭐ 150 XP
Level 95🔒 Locked

Merge Without Predicate

Hard⭐ 250 XP
Level 96🔒 Locked

AQE Disabled

Hard⭐ 250 XP
Level 97🔒 Locked

Wrong Notebook Execution Order

Medium⭐ 150 XP
Level 98🔒 Locked

Excessive UDF Usage

Expert⭐ 300 XP
Level 99🔒 Locked

Checkpoint Deleted

Expert⭐ 300 XP
Level 100🔒 Locked

Sev-1 Production Outage

Legendary⭐ 1000 XP