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So I don't forget: PHP and jquery upload progress bar. Why the PHP team didn't change the way uploads are handled in PHP 5 is completely beyond me. As a file uploads it gets written to /tmp, but your script which is to handle the file has no way of knowing which file in /tmp is yours. This would be simple to fix. I wonder how many developers started looking at Ruby on Rails just for this one feature? (I know, that would be a crazy reason to switch languages, but I'll bet it happened.) Anyway, seems like third parties have now made it pretty easy to add this to PHP (you used to have patch the source and then recompile.)
Western Digital's newish VelociRaptor SATA hard drive speed tests when configured in a 3 drive RAID-5.
The burst speed recorded was robust 598MB/sec, according to HD Tach, which is about on par with what we've seen from WD's Raptor WD1500 line in this configuration. However, average read performance is through the roof, with a 209.4MB/sec land speed record set for what we've seen in our labs and about a 33% performance gain over what we've seen with Raptor WD1500 drives in RAID 5 on the Areca controller. Finally, random access clocks in at a snappy 7.2ms.Damn!