The Full Stack Web Development - Data Persistence In Action

This video tutorial provides an introduction to Redis data persistence using RDB and AOF files. It covers the installation of Redis, key files like server logs and RDB, and demonstrates how to manually save data to disk. The tutorial also explains how to enable and configure AOF for append-only file persistence, including handling permission errors and restarting the Redis service. The video concludes with a brief overview of how RDB and AOF work together for data persistence.

What is the purpose of the server log file in Redis?

• To store user data

• To manage user permissions

• To configure Redis settings

• To log server activities

What command is used to manually save data to disk in Redis?

• SET

• SAVE

• GET

• LOAD

Which file needs to be modified to enable AOF in Redis?

• redis.conf

• redis.log

• redis.data

• redis.aof

What error might you encounter when trying to save changes to the Redis configuration file?

• Network error

• Disk is full

• Access is denied

• File not found

What is the purpose of restarting the Redis service after modifying the configuration?

• To clear the cache

• To apply configuration changes

• To reset user settings

• To update the database

What does the AOF file contain?

• Error logs

• User credentials

• Configuration settings

• Instruction set to recreate the database

How often is data synchronized to disk by default when AOF is enabled?

• Every hour

• Every day

• Every second

• Every minute