Tuesday Jul 03, 2007

A Brief History Of Solaris

A week ago I was presenting A Brief History Of Solaris at the Sun HPC Consortium in Dresden. My slideware is pretty minimalist (audiences generally don't respond well to extended lists of bullet points), but it should give you a flavour of my presentation style and content. For more, see Josh Simon's writeup.

My main point is that although Solaris is a good place to be because it has a consistent track record of innovation (e.g. ONC, mmap, dynamic linking, audaciously scalable SMP, threads, doors, 64-bit, containers, large memory support, zones, ZFS, DTrace, ...), the clincher is that these innovations meet in a robust package with long term compatability and support.

Linus may kid himself that ZFS is all Solaris has to offer, but the Linux community has been sincerely flattering Sun for years with its imitation and use of so many Solaris technologies. Yes, there is potential for this to work both ways, but until now the traffic has been mostly a one way street.

As a colleague recently pointed out it is worth considering questions like "what would Solaris be without the Linux interfaces it has adopted?" and "what would Linux be without the interfaces it has adopted from Sun?" (e.g. NFS, NIS, PAM, nsswitch.conf, ld.so.1, LD_\*, /proc, doors, kernel slab allocator, ...). Wow, isn't sharing cool!

Solaris: often imitated, seldom bettered.

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