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How hbase handles the write failure?

Question Posted / amit kumar pal


How hbase handles the write failure?..

Answer / Piyush Saxena

HBase implements write-ahead logging (WAL) to handle write failures. WAL ensures that even if a server fails during a write operation, data is not lost. Each write request generates a log entry and writes it to the WAL file. If the server crashes, the log entries are replayed when the server restarts, ensuring that all write operations are completed.

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