>
>> There's 1 really important thing missing in PHP as I see it, and it's the
>> ability to keep variables in memory for as long as
>> the programmer choose. If this was possible there could be some truly great
>> optimizations done. Some things are very
>> slow to create but very fast to work with. I wrote a XML class a couple of
>> days ago and while it's extremly quick to
>> search and work with, sadly it's rendered pretty much useless since creating
>> the tree which it uses isn't fast enough.
Sessions?
>> I've heard there's a feature like this in Cold Fusion, which every Cold >> Fusion user seems to think of as the holy grail, >> and I would have to agree with them.
Of course, Cold Fusion 'programmers' are only one step above Microsoft ASP/.NET 'programmers.
>> One thing I've heard they use this for is to load an entire database into
>> system memory. I don't know exactly how it's
>> works but imagine having the whole database in system memory. When you
>> change data you update it both in system
>> memory and on the drive, but when you select (which is what you mostly do),
>> you just query the mirror in system memory.
Great if you're the only one hitting the db, and it's on the same machine. What happens when I have 15 webservers accessing the same database across 5 mirrored machines, and an update is made to one of my products? If I'm only reading from what was loaded up in memory, I miss the update.
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