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10.6: Avoid slow and CPU-intensive Time Machine backups
Authored by: mrhatken on May 14, '10 07:56:32AM

I too have recently started to experience VERY SLOW network backups (not the first one but subsequent ones). Megabytes in minutes if not hours.

One thing I noted when looking at Activity Monitor was that network traffic was faster (Mbps) for receiving from the machine being back up compared to (Kbps) being sent from the machine being backed up. The wrong way around ...

I am not sure what was causing this but perhaps Finder is doing that and killing the Finder stops this allowing the backup to proceed normally.

I also noted that one of the volumes on the machine serving the backup volume has "Calculate folders sizes" turned on. It wasn't the backup volume itself, so I'm not sure how it could affect things but I have turned off that attribute and will check again.

Cheers,
Ashley.



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