Ryan Novosielski wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Did you just remove compression from the definition?
I simply commented out the compression option in the FileSet section.
### FILESETS
FileSet {
Name = "Web6"
Include {
Options {
signature = MD5
# compression=GZIP
}
File = /data/data
File = /data/cgi-bin
File = /data/cgivirt
File = /data/webalizer
File = /usr/local/scripts
File = /data/movies
File = /usr/local/etc
File = /usr/local/db/mysql
File = /etc
}
Exclude {
File = /etc/dnscache/log/main
File = /tmp
File = /.snap
}
}
The next report stated no compression.
FD Files Written: 1,501
SD Files Written: 1,501
FD Bytes Written: 2,699,586,875
SD Bytes Written: 2,699,798,983
Rate: 12978.8 KB/s
Software Compression: None
Easy.
DAve
>
> I'm still looking for a way to EXPLICITLY disable compression.
>
> DAve wrote:
>> Thomas Traeger wrote:
>>>> Excellent point. The servers that are slowest to transfer are also the
>>>> busiest, my front end web server and my mail gateways (Av and spam
>>>> filtering).
>>>>
>>>> That is certainly something to look further into. I could try turning
>>>> off compression for one cycle to prove the theory.
>>>>
>>>> Thanks,
>>>>
>>>> DAve
>>>>
>>>>
>>> You might also try reducing the compression level to gzip1/2/3 (default
>>> is gzip5), especially on the VLAN this might help. In my case all
>>> servers have a 1GBit connection to the backup system and software
>>> compression is useless as long as you backup on a tape drive with
>>> hardware compression.
>>>
>> Compression was the culprit! After much testing and trying specific
>> clients and compression levels it seems that I can transfer uncompressed
>> data across a 1gb network faster than I can compress the data on the
>> client. This was tested last on a very busy web server, which really is
>> never not busy. The overhead of compression exceeded the gains of
>> transfering data compressed.
>>
>> So depending on what load/cpu/ram a client has, compression should be
>> altered. It is a trade off of speed verses storage space. I can adjust
>> each job as required.
>>
>> Just one more way Bacula's complexity pays off. Thanks everyone.
>>
>> DAve
--
Three years now I've asked Google why they don't have a
logo change for Memorial Day. Why do they choose to do logos
for other non-international holidays, but nothing for
Veterans?
Maybe they forgot who made that choice possible.
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