Question Plesk backup over SFTP consumes the bandwidth of the network Interface.

[linuxman1]

Server operating system version

AlmaLinux 8.8

Plesk version and microupdate number

Plesk Obsidian Version 18.0.55 Update #2, l

Dear community, I have an issue with Plesk backup over SFTP, first it works great! but some times because it uploads to SFTP server the connections to the server get to be slow! I think because the uploading of backups consumes the bandwidth of the network interface the server uses. what advise I may have, websites are slow at that time.

 

[Peter Debik]

I suggest to install "nload" on your system and measure the network throughput to find out whether it is really exhausting the bandwidth. Another reason for slowing the server during backups can be the file compression. It requires a lot of cpu power.

 

[linuxman1]

Hi Peter, I am pretty sure it's the backup, the monthly full backup as this issue happens one day only in a month, the day of full backup, during the backups the load on CPU is not high, so I think it's related to upload, 400G of full backup is not a small one, and usually during last hours of backup this issue happens, would you comment please, Thank you!

 

[linuxman1]

We have alerting takes place when CPU gets high load, during backups we don't get alarms! also I enabled at "Plesk backup" the options of low priority for all backups processes.

 

[Peter Debik]

would you comment please, Thank you!

I commented above. Did you install nload and measure the network traffic?

 

[linuxman1]

Sure I will do, I ill just wait till next full backup schedule, Thanks.