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#durability

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The Write-Ahead Log (WAL): The Universal Engine of Data Durability

The Write-Ahead Log (WAL): The Heart of Data Safety Whether you are using a relational database like PostgreSQL or a NoSQL store like Cassandra, they all share a common secret for durability and performance: the Write-Ah…

Apr 20, 20262 min read

Deep Dive

#databases#wal#durability