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A comment on Unusual disk latency. Parent comment

Re:Unusual disk latency by sh1mmer on Saturday January 03, 2009 @12:27AM (#418156)
I was at a conference with a Sun evangelist banging on about this stuff. I was pretty skeptical. One of our Hadoop grid sysadmins used to work at Sun. He was raving about things like D-Trace and a bunch of features of Solaris that other *nix don't have.

I guess I'm not 100% sold on Open Solaris but they do have some pretty badass stuff in there.

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Re:Unusual disk latency by Andys on Saturday January 03, 2009 @07:58PM (#418825)
Its nice that they release the fruit of their labours in OpenSolaris.

I've rolled my own hybrid storage and played with it in ZFS using a RAM disk and flash storage and it really does work - it can make a RAID of slow SATA disks look like a bigger RAID of fast 15krpm disks, provided all your workload fits in the various ramdisk/flash caches.

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