I wonder if the thread starter (SPQR) solved his problem.
The discussion became hot and he flew. lol

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----- Original Message -----
> From: "Dmitri Maziuk" <dmaziuk AT bmrb.wisc DOT edu>
> To: "bacula-users" <bacula-users AT lists.sourceforge DOT net>
> Sent: Saturday, June 27, 2015 12:14:47 PM
> Subject: Re: [Bacula-users] Bacula causing high disk-io on clients

> On 6/27/2015 8:55 AM, Alex Domoradov wrote:
>> FYI
>>
>> I have 1Gb uplinks between bacula sd and client and get the following
>> results
>>
>> Compression: NONE
>> Time: 07:16:58
>> Size: 831.14 GB
>> Files: 11,288,747
>> Speed: 32.46 MB/s
>> Compression: 0.00
>>
>> Compression: LZO
>> Time: 07:56:38
>> Size: 653.04 GB
>> Files: 11,288,747
>> Speed: 23.38 MB/s
>> Compression: 0.21
>>
>> Compression: GZIP
>> Time: 10:09:07
>> Size: 636.41 GB
>> Files: 11,288,747
>> Speed: 17.83 MB/s
>> Compression: 0.23
> 
> What that means is over a gigabit link you can read from 3 clients in
> parallel w/o compression, 4 clients w/ lzo compression, and about 6 w/
> gzip. I agree, if you have a single roid-warrior fablet client who shows
> up on office vlan once a month, client-side compression is wrong for
> them. I would say as is bacula: get them btsync or something. I'm
> backing up linux servers, plural, so I'd rather gzip on the clients.
> 
> The only times I see high i/o load on ext4 is a) recursive chown/chmod
> on a large directory tree on nfs file server (because you can't train
> users to do it themselves) and b) when a cheap non-tler disk is dead but
> doesn't know it yet.
> 
> Dima
> 
> 
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