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Comment: Re:complex application example (Score 1) 156

by Gothmolly (#47493635) Attached to: Linux Needs Resource Management For Complex Workloads

a) Your UDP buffers probably suck. OOB RedHat gives you 128K, and each packet takes up 2304 bytes of buffer space. Try 100MB, or whatever YOUR_RATE/2304 works out to.
b) Pull off the queue and buffer in RAM as fast as you can
c) Have a second thread read from RAM
d) Don't invoke scripts to process each packet, you're spinning all your time in process creation. In fact, don't use interpreted scripts at all.

Comment: Tried with Transmeta (Score 1) 68

by Gothmolly (#47462661) Attached to: HP Claims Their Moonshot System is a 'New Style of IT' (Video)

We bought some Transmeta-based blades at $LARGE_US_BANK a while back, and they sucked. Hard. Like, don't bother running stuff on them hard. They went back to HP, or in the trash, I forget, and we got real hardware. It looks like HP is reviving the concept of shitty servers for people who don't do a lot with them. Instead of 1 beefy 4U machine, you have a 45-node Beowulf cluster of suck, and most problems ARENT trivially scalable. Or, if your app really is that scalable (or you've spent the time to make it so) then you're a big boy company and you need real iron.

Top Ten Things Overheard At The ANSI C Draft Committee Meetings: (1) Gee, I wish we hadn't backed down on 'noalias'.