Tuning Bacula: Better Backup Performance and Bottlenecks Treatment

[daniele]

Referencing this ORIGINAL ARTICLE(S): https://www.bacula.lat/tuning-better-pe ... s/?lang=en

Bacula server operating system tuning:

RAM (> 8GB)
vm.dirty_ratio = 2
vm.dirty_background_ratio = 1
vm.swappiness = 10
vm.zone_reclaim_node = 0

1) Check the current parameters' values

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sudo sysctl vm.dirty_ratio;sudo sysctl vm.dirty_background_ratio; sudo sysctl vm.swappiness;sudo sysctl vm.zone_reclaim_node

2) Permanently set the new values

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sudo nano /etc/sysctl.conf

Add the following lines at the end of the file :

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vm.dirty_ratio = 2
vm.dirty_background_ratio = 1
vm.swappiness = 10
vm.zone_reclaim_node = 0

3) Apply settings

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sudo sysctl -p

Or, if you want, restart the machine

4) Check if values are correctly applied

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sudo sysctl vm.dirty_ratio;sudo sysctl vm.dirty_background_ratio; sudo sysctl vm.swappiness;sudo sysctl vm.zone_reclaim_node