Starting to come around to the idea that swap in any form, is evil

Here’s the basic theory behind swap space. Memory is expensive, disk is cheap. Only use the faster memory for active things, and aggressively swap out the less used things. This provides a virtual address space larger than physical/logical memory. Great, right? No. Heres why. 1) swap makes the assumption that you can always write/read to … Read moreStarting to come around to the idea that swap in any form, is evil

Updated boot tech in Scalable OS (SIOS)

This has been an itch we’ve been working on scratching a few different ways, and its very much related to forgoing distro based installers. Ok, first the back story. One of the things that has always annoyed me about installing systems has been the fundamental fragility of the OS drive. It doesn’t matter if its … Read moreUpdated boot tech in Scalable OS (SIOS)

Massive, unapologetic, firepower: 2TB write in 73 seconds

A 1.2PB single mount point Scalable Informatics Unison system, running an MPI job (io-bm) that just dumps data as fast as the little Infiniband FDR network will allow. Our test case. Write 2TB (2x overall system memory) to disk, across 48 procs. No SSDs in the primary storage. This is just spinning rust, in a … Read moreMassive, unapologetic, firepower: 2TB write in 73 seconds

Doing what we are passionate about

I am lucky. I fully admit this. There are people out there whom will tell you that its pure skill that they have been in business and been successful for a long time. Others will admit luck is part of it, but will again, pat themselves on the back for their intestinal fortitude. Few will … Read moreDoing what we are passionate about

We had a record setting, knock the barn doors down year last year

… and believe it or not, I forgot to mention it. This is the first time in company history that we had a backlog going into Q1. Orders being built and tested on the last work day of the year. We grew, not the amount we had originally forecast, but we understand why (and sadly … Read moreWe had a record setting, knock the barn doors down year last year