[15.0] auto_backup execution leaves a considerable amount of locked memory after each execution

[pere-aquarian]

Module

auto_backup

Describe the bug

Each time the auto_backup is executed, there is an considerable amount of memory used. This memory is never freed.

To Reproduce

Execute the cron anytime.

Steps to reproduce the behavior:

• Execute the cron (in different periods of time)
• Monitorize the memory used by the server.

Expected behavior
Free memory after execution.

Additional context
Attached is a file with a pic of memory consumption.
1.- is the reboot moment
2.- the moment when the backup starts
3.- The amount of memory consumed after the execution of the backup