The Ledger
Every statement that passed quotation and attribution checks. Mix any filter with any other: certainty 1/5, debate potential 5/5, or both at once.
why aren't all 6 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
FJ Yang: Data architecture is trending toward real-time streaming over batch files
“Where I believe the world is starting to trend to is toward a new world where data is not just batched in a static file, but data is constantly in motion, a constant flow of information.”
Yang: Apache Druid merges data warehouses, time series, and search systems
“Druid is a combination of a data warehouse merged with a time series database merged with a search system.”
Yang: Apache Druid can condense raw data 100x through roll-up aggregation
“If you have raw data that's, you know, a hundred gigabytes, Druid can sometimes condense it through roll-up to about a gigabyte in size, so a hundred X reduction.”
Yang: Apache Druid was created to handle hundreds of billions of daily events
“It was created because the volume of data we were dealing with was reaching millions of events per second, and hundreds of billions of events per day.”