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What happens if the checkpoint location is accidentally deleted?

Spark/Big Datahard0.4 min readPremium
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Asked at 1 company
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452
questions in Spark/Big Data
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88E|81M|283H
in this category
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1,863
across 7 categories
Asked at these companies
TCS
Expert AnswerPremium
87 wordsInterview-ready
**Impact**: Structured Streaming cannot recover. Query fails or restarts from scratch. Risk of duplicate processing (reprocess from earliest) or data loss (if starting fresh with no offset). **Why Checkpoint Matters**: Stores processed offsets and state. Exactly-once semantics depend on it. **Recovery**: For Kafka—reset offsets or start from earliest/latest. Reprocess may cause duplicates; idempotent sink required. **Prevention**: Checkpoint in durable storage (S3, DBFS). Document recovery....
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