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piel
2018 Mar 21
4
rsync very very slow with multiple instances at the same time.
...n place a sort of queue to not allow more than 4 simultaneous rsync to be sure they run at least once a day each. Even limiting to 4 rsync makes some wait hours before starting a backup.
I’m open to any help to improve perfs. (i have put my whole script calling rsync on github : https://github.com/jpiel/UserSync <https://github.com/jpiel/UserSync> )
PS:
I checked, CPU is not under pressure, each rsync instance use between 2 and 5% CPU. The whole CPU usage 30%.
I also checked network, and it’s not either an issue.
Disk usage doesn’t seem to be at a high load either… (peak at 300 IO/sec)
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