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Re: [BackupPC-users] Random Daily Backups remain idle, can be started manually 4.
2016-04-16 12:43:55
Adam Goryachev wrote:
On 16/04/2016 07:31, Les Mikesell wrote:
On Fri, Apr 15, 2016 at 3:47 PM, Tony Schreiner
<anthony.schreiner AT bc DOT edu> wrote:
I will increase
MaxBackups and MaxUserBackups from 2 to 6
to see if it makes any difference.
MaxBackups is the number that will be scheduled to run concurrently;
MaxUserBackups controls what you can start manually. The optimal
value will depend very much on your hardware. Often running 2
concurrently will complete the whole set faster than 6 due to less
disk head and RAM contention.
Just to make this clearer, 2 is probably the right value, maybe 3 or 4,
but probably not as high as 6, unless the machines you are backing up
are on the end of very slow links, and/or your backuppc server is
extremely fast (disk IO, and RAM).
mmm, depends. 6 concurrent full backups will probably be too many, but 6
concurrent incrementals
probably aren't. Incrementals are limited by the speed of the tree walk
on the client's disk,
looking for files to back up. Unless htere are a lot of changes, this
won't stress the server.
danno
--
Dan Pritts
ICPSR Computing & Network Services
University of Michigan
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