[Foundation-l] Wolf Mountain MediaWiki Appliances Released

Wed Jul 26 21:14:15 UTC 2006

Gregory Maxwell wrote:

>On 7/26/06, Samuel Klein <meta.sj at gmail.com> wrote:
>  
>
>>"Single or Dual Xeon or AMD64 based system with up to 6.0 Terabytes of
>>storage and 12 GB of DDR memory. Comes fully installed with the Wikipedia
>>Encyclopedia and a full suite of automated site mirroring and update tools
>>and 1 year of service and support."
>>    
>>
>
>Why so much storage?
>
>Uncompressed enwiki text is 680GB. All images in total are about
>300GB. Loaded into postgresql with a normal set of indexes enwiki
>takes about 400GB, I can imagine that a mysql load would be any larger
>(in mysql mediawiki uses zlib batch compression).
>
>I guess the 3TB makes sense to have some growth room.. but 18TB?
>  
>

With all revision pages its around 3 TB total. Room for growth and 
mirroring
of 5 + 1 or 0 + 1 configurations. Using RAID 1 + 5 Mirrored RAID 5 
arrays really boosts
read performance about 60%, so the extra storage are for these fault 
tolerant and
performance options.

Jeff

>:)
>_______________________________________________
>foundation-l mailing list
>foundation-l at wikimedia.org
>http://mail.wikipedia.org/mailman/listinfo/foundation-l
>
>  
>