Symptoms
Servers with many accounts and a large /home directory may take too long to finish backups with Jetbackup.
[11:50:24 root@myserver ~]cPs# df -hP
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/centos-home 5.1T 2.2T 2.9T 43% /home
Description
One reason for the slowness might be that the default resource limits set by Jetbackup for your server are too low.
Workaround
Increase the maximum resource limits like CPU, disk, and process priority(nice value) that Jetbackup can use in "WHM / Jetbackup / Settings / Resource" tab. IO and CPU Limit settings are only available on CloudLinux servers. Process priority (ionice, renice) are only available in JetBackup 4.
Additional Resources
You can find more details about the settings in Jetbackup 4's legacy documentation:
Jetbackup 4: Settings / Resource
The Resource tab is called 'Performance' in Jetbackup5:
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