At 04:48 PM 1/18/2008, Mike Tancsa wrote:
At 04:11 PM 1/18/2008, Steven Hartland wrote:
I know 7 has had a lot of work done on locking and ULE but are there
any other reasons to go for that instead of 6.3? Conversely are there
any reason which would point away from 7 such as stability issues?
Our production experiences with 7 have been good so far. I just did
a rather busy customer mail server this morning and so far so good.
I migrated it from 6.3 to 7 and am just finishing the portupgrade
process. We have also been running a 7.x box in our spam/virus
scanning cluster since late Nov 2007 and no issues there either. We
havent done any benchmarks to see if its faster than the 6.x boxes,
but its certainly stable so far and seems to at least keep up to the
other boxes.
The 7.x box is a little faster according to my colleague. Below are
the average scanning times per message. Assuming that in a 24hr
period each box will get approximately the same mix of spam, the
times below are how long an average scan took. He also said the 7x
box does perform better under high load when a large blast comes in
all at once.
Lines: 15643 Total: 61114.90 Average: 3.91
Lines: 15446 Total: 61079.90 Average: 3.95
Lines: 15633 Total: 62584.70 Average: 4.00
Lines: 15481 Total: 60892.80 Average: 3.93
Lines: 15515 Total: 60714.40 Average: 3.91
Lines: 15603 Total: 58300.40 Average: 3.74
As well as spam scanning, they do AV stuff as well.
---Mike
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