Redis Server: BGREWRITEAOF

Redis BGREWRITEAOF Command

Redis BGREWRITEAOF command instruct Redis to start rewriting process in an Append-Only File. If BGREWRITEAOF fails, no data gets lost as the old AOF will be untouched. The rewrite will be only triggered by Redis if there is not already a background process doing persistence.

If an AOF rewrite is already in progress the command returns an error and no AOF rewrite will be scheduled for a later time.

Here are some common uses and scenarios for the "BGREWRITEAOF" command:

• AOF File Optimization: Rewrites the Append-Only File (AOF) in the background to minimize its size and improve efficiency.
• Non-Blocking Operation: Performs the rewrite process without blocking the server, ensuring continued availability.
• Data Integrity: Helps maintain data integrity by reducing the risk of data loss in case of a server crash.
• Performance Improvement: Optimizes the AOF file to improve the performance of data recovery and reduce the server's storage footprint.

Syntax:

Basic syntax of redis BGREWRITEAOF command is shown below:

BGREWRITEAOF

Available since

1.0.0.

Return Value

Simple string reply: always OK.

Return Value Type

String

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