why aren't all 7 resolved? a statement only gets an assessment when the public
record can support or contradict it. opinions and what-ifs never can, and 0 checkable
ones are still open, waiting for their date. predictions held up or didn't;
assertions are supported or contradicted. on every card:
▮▮▮▮▮ certainty ·
▮▮▮▮▮ debate potential. speakers are clickable
Assertion Not checkable as stated
Knaup: Airbnb relies on just one person to run data infrastructure
“And what's really great is that they basically have one single person that runs all of this data infrastructure for this huge company.”
Assertion Contradicted
Knaup: Chronos distributed system requires zero network programming due to Mesos
“It's a distributed system and it never opens a single socket. There's no network programming whatsoever in Kronos because Mesos takes care of all of that.”
Insight
Knaup: Five-second jobs are highly inefficient to run in VMs compared to container isolation
“Launching very, you know, quickly launching very short jobs, like jobs that will only take five seconds to run. You can do that if you're using isolation. It's impossible, or it's not impossible, but it's very inefficient with VMs.”
Assertion Contradicted
Knaup: Apache Mesos automatically bin-packs applications to maximize cluster utilization
“One thing that Mesos does is it, you know, it automatically bin packs your applications onto the infrastructure that you have, so you get the highest utilization out of it.”
Assertion Supported
Knaup: Apache Spark was the first application built on Apache Mesos
“Spark, ah, there's a little known fact, Spark was actually the first, ah, application that was ever built on top of Mesos, and it was sort of the, you know, the demo app for Mesos in the beginning.”
Assertion Supported
Knaup: Apache Mesos scales to tens of thousands of nodes and powers Twitter
“And so today, it scales to tens of thousands of nodes. It actually runs, it's the basis for most of Twitter's production infrastructure today.”
Assertion Supported
Knaup: Mesosphere, Twitter, and Airbnb are major committers to Apache Mesos
“It's a top-level Apache project. And, you know, Mesosphere, Twitter, and Airbnb are major committers on the project.”