Bacula-users

Re: [Bacula-users] Backup is way too slow

2012-10-26 16:35:41
Subject: Re: [Bacula-users] Backup is way too slow
From: lst_hoe02 AT kwsoft DOT de
To: bacula-users AT lists.sourceforge DOT net
Date: Fri, 26 Oct 2012 22:33:21 +0200
Zitat von noob1321 <bacula-forum AT backupcentral DOT com>:

> You didn't tell us how the line speed is, could that be an issue?
> You could also look at if the files are small, small filesizes = bad
> performance.
>
> if your network connection is speedy and the files are small you could
> compress chunks of the data before backing up.
>
> how does the backup perform from the local network? is it slow there too ?
>
> Backing up remote locations on a slow line could be improved using
> spooling.
>
> cheers
>
>
> So after some work with Comcast and tinkering around we found that  
> the problem is actually Bacula. By doing speed tests from the client  
> machine we saw that before we started using bacula it was around  
> 25down 6up but when using Bacula the speed changed DRASTICALLY to  
> .1MB/s down and .8 MB/s up. We stooped Bacula, remotely reset the  
> modem and speeds were back to normal. 10mins later I started up  
> Bacula  and the speeds went right back down again. I again stopped  
> Bacula, reset the modem(got speeds back up) and DIDN'T run Bacula  
> and the speeds have been great for the past few hours.. So whenever  
> Bacula is backing up this machine it takes it from 25Down/6Up all  
> the way to .1Down/.8up

Uhmm, sorry but if your modem alter speed because of IP traffic  
pattern it is utterly crap. The only thing which *might* cause this is  
a very noisy line where the modem downgrade speed if you have a steady  
traffic stream because of raising error counters. But still nothing  
Bacula can do about.

>
> There has to be something wrong here.

Yes, your modem/line is broken.

Regards

Andreas



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