Want to read Slashdot from your mobile device? Point it at m.slashdot.org and keep reading!

 



Forgot your password?
typodupeerror

Comment Re:Oh my! (Score 1) 120

Part of the problem is that the degree isn't itself really that important in the grand scheme of things. Yes, it's often a checklist item that companies demand for certain classes of jobs. Pursuing a degree gives you both explicit and implicit advantages though, and many of them have more to do with getting access to the right people and building the right foundation to make yourself marketable. If the only thing you get out of a 4 year program is a good GPA and a degree, you've missed out on a huge part of the value you get for spending all of that time and money. Those implicit advantages though aren't guaranteed and aren't equally distributed. The best you can do is to be in the right place at the right time and accept that a lot of it comes down to luck. Studying to get a perfect score on your agile methodology test might be far less relevant for your future career than meeting the right professor or entrepreneur at a symposium that's commercializing the next technology fad. If you want to be part of that, you have to go out and pursue it.

Comment Re:Ah not to worry. (Score 2) 135

No one really knows yet. We have immune system issues in my family ranging from Crohn's disease (both myself and my father) to nut and egg allergies. Some of the research that's come out specific to Crohn's disease is that people who live in or immigrate to western societies are more likely to develop it. There's also a correlation between Crohn's disease and northern latitudes. There appears to be both a biological and an environment component to it, but more people are getting it now than ever, but the symptoms are very clear. You develop ulcers in your intestines, often around the ileum. There's no faking it. Severe allergies likewise can't be faked. When you see someone's face puff up, eyes swell shut, and struggle to breath, there's no denying that it's real.

Maybe it's vitamin D deficiency, maybe it's diet, microplastics, adherent-invasive E. coli, not enough pathogen exposure, some combination of these things, or none of these things. I suspect that many of these kinds of immune system issues are related but not always caused by the same triggering issue/event.

Comment Re:That's 1 Exabyte (Score 4, Informative) 25

I'm one of the Ceph developers. Indeed, there are a number of large sites that don't report their numbers. Also, I'm pretty sure we hit 1 EiB being report a while ago. Telemetry was showing 1.44EiB as of a couple minutes ago:

https://ancillary-proxy.atarimworker.io?url=https%3A%2F%2Ftelemetry-public.ceph....

Comment Re:Using goodwill to be a top 10% earner (Score 1) 107

I don't disagree. Those salaries, especially on the west coast, are pretty reasonable assuming the people have skills/resumes that justify being in those positions.

I think it's the combination of all of those salaries that's the problem. For an organization with this income, there are too many C level execs here. It'd be one thing if they were able to help accelerate more funding, but clearly that didn't happen and so it's just overhead. Ultimately all of our salaries are only justified by the revenue we help generate (even if indirectly).

Comment Re:Many Thanks! (Score 2) 16

Thank you for the kind words! I can't believe I've been working on Ceph for 12 years now. In reality though, this was very much a collaborative effort with the customer. We couldn't have pulled this off without the network they designed, and they were the ones who ultimately figured out the IOMMU issue.

Good job for being ahead of the curve on AMD! They're really giving Intel a run for their money, especially if you favor single-socket configurations.

Comment Some updates (Score 5, Informative) 16

Just to clarify: I actually don't work at Red Hat anymore. I'm leading R&D for a small company called Clyso that provides Ceph consulting and support along with my good friends Joachim Kraftmayer (Founder) and Dan van der Ster (Former architect of the Ceph storage at CERN).

One note I wanted to add since there has been some discussion about it on other forums:

We've never seen the IOMMU issue before with Ceph. We have previous generation 1U Dell servers with older EPYC processors in the upstream Ceph performance lab and they've never shown the same symptoms. The customer did however tell us that the have seen issues with IOMMU before in other contexts in their data center. I'm hoping we can work with the vendors to understand better what's going on and get it fixed without having to completely disable IOMMU.

Submission + - Ceph: A Journey to 1 TiB/s (ceph.io)

Nite_Hawk writes: I can't believe they figured it out first. That was the thought going through my head back in mid-December after several weeks of 12-hour days debugging why this cluster was slow. This was probably the most intense performance analysis I'd done since Inktank. Half-forgotten superstitions from the 90s about appeasing SCSI gods flitted through my consciousness. The 90s? Man, I'm getting old. We were about two-thirds of the way through the work that would let us start over at the beginning. Speaking of which, I'll start over at the beginning.

Slashdot Top Deals

Mommy, what happens to your files when you die?

Working...