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 Supported
Running Apache Spark on a single node is slower than Pandas
“You can use spark at the single node scale as an alternative to pandas through the koalas interface, but you'll find that for many workloads, it's simply slower than pandas, which is not super impressive.”
Assertion Supported
Stoica: Apache Spark supports all major data workloads with one engine
“While we spark, You can use only one engine and only one API to support all these workloads.”
Assertion Supported
Stoica: Apache Spark won the TerraSort benchmark processing data out of memory
“Just October last year, we had this we won this kind of TerraSort benchmark. And in those, in that benchmark, the data, it's not in memory. Right? It's SSDs and so forth.”
Assertion Supported
Stoica: Apache Spark has exceeded 500 active open-source contributors
“We exceeded 500 contributors. It is the most active big data project right now, Spark.”
Assertion Supported
Stoica: Databricks still provides the majority of Apache Spark open-source contributions
“A lot of contributions, still the majority of contributions comes from Databricks.”
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
Stoica: Apache Spark originally ran on Mesos before adding YARN and standalone support
“As originally was built to run on top of Mesos. Today is working on Yarn, working, you know, standalone, and is working also in addition to HDFS, you know, imports and exports data to many other data sources.”