Virtualizing Citrix?! » Yellow Bricks

Virtualizing Citrix?! » :

"This is also something that’s new to me, VMware is also doing intra-VM page sharing besides inter-VM page sharing"

(Via Yellow Bricks .)

Whoa! Now that is something that is obvious in hindsight, but absolutely astounding when you think about it. Lots of clients ask about the viability of virtualising Citrix servers on an ESX platform and there are a number of reasons why this can be useful like being able to easily clone servers to increase capacity and ensure that you get the exact configuration with all of the little tuning tweaks, avoiding some of the internal bottlenecks of Windows etc. However, this particular idea flew by under my radar. While inter-VM page sharing can result in some significant memory savings, a Citrix server has a whole lot of similar pages due to the fact that it's hosting a number of practically identical logon sessions. In hindsight it's obvious that ESX shouldn't care about the source of a give memory page when it does the shared memory consolidation. The net result is that you can run significantly more user sessions with the same amount of physical memory with Citrix running on ESX.

Brazen Careerist obviously never worked as a developer

Via The Lone Sysadmin. :

Writing without typos is totally outdated » Brazen Careerist by Penelope Trunk Interesting rant. Personally, typos bother me a lot. Having them in your document distracts me from your point. Enough of them and I stop reading. Many other people are like me. Do you want to run the risk of me being the guy you submit your resume to?
I have to agree with Bob Plankers here - I admit that when I'm in a hurry typos can slip through but that I do work at trying to stamp them out. I think that those of us that have done any development understand that compilers do not forgive typos, and that the language parser in the heads of your readers is based on a certain rule-set and that when you break those rules, the parser is going to give you different (unpredictable) results. Every language has it's rules and ignoring them leads to failures of communication. While mistakes will happen it is worth spending a moment to proof-read your own work, and if you're high profile enough, an editor is not out of the question. My favorite typo in the article was from the paragraph :
I am extremely knowledgeable about grammar. I can parse any sentence. I can sign the preposition song in my sleep. So I feel fine telling you that there are great writers who don’t know grammar.

My first thought was "you're the author of the preposition song and are signing copies?" which then went to "oh, you're signing the preposition song for the deaf" to "Ooooohhhh - 'sing' the preposition song - that makes a lot more sense".

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