[Box Backup] Continuous backup only when idle
yanghatespam at gmail.com
Fri May 6 21:26:09 BST 2011
On Thu, May 5, 2011 at 1:53 PM, Chris Wilson <chris at qwirx.com> wrote:
> Hi all,
> On Thu, 5 May 2011, Peter Jalajas, GigaLock Backup Services wrote:
>> Yes, I have had the same problem. It appears to me that Box Backup
>> fills my meager outbound DSL bandwidth, which apparently interferes
>> with my inbound bandwidth, making our systems run slow.
> Yang Zhang, is it your Internet connection that is slowing down, or the host
> running bbackupd?
It's the host load, though I can imagine that being a problem as well
for those on slower upstream connections (as in Peter's case).
>> I've tried trickle and wondershaper; wondershaper worked a little better.
>> Within the past week, I've tried setting AutomaticBackup = no and then set
>> up a late night cronjob with
>> 43 2 * * * nice /usr/local/sbin/bbackupctl sync-and-wait
>> Seems to be working well enough so far.
> Some other options might be:
> 1. Setting the new MaxUploadRate setting to some value (in bytes per second)
> around half your upload bandwidth, or lower if you want to reduce CPU usage
> on the client;
> 2. Reducing MaximumDiffingTime to reduce the amount of time that bbackupd
> spends performing heavy disk I/O;
Does this mean that boxbackup won't be able to diff/backup large files
(even when I'm not using my computer)?
> 3. Using a SyncAllowScript to prevent backups from starting during your peak
This sounds promising - any ideas on how to whip up a script that
detects whether I'm actively using my computer (either via X or ssh)?
> Cheers, Chris.
> _____ __ _
> \ __/ / ,__(_)_ | Chris Wilson <chris+sig at qwirx.com> Cambs UK |
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