Disadvantages of RDB
- Data Loss: If Redis crashes before a scheduled RDB snapshot, you might lose data since only the last snapshot is saved.
- Limited Durability: RDB provides a snapshot of the dataset at a specific point in time, and changes made after the snapshot are not persisted until the next snapshot.
Complete tutorial on Backup in Redis
A Redis backup is a copy of the Redis dataset that is saved to a separate location, typically on disk, to provide a means of data recovery.
- Redis provides several commands and mechanisms to perform backups, including snapshots and persistence options.
- While Redis is known for its high performance and low latency, it’s important to have a backup strategy in place to ensure data durability and recoverability in case of data loss or system failures.
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