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The most popular blog posts about databases & data on Hacker News. 4,224 posts.
We use MySQL for storing all of the data in FriendFeed . Our database has grown a lot as our user base has grown. We now store over 250 million entries and a bunch of other data, from comments and "likes" to friend lists.
This article is part of Jepsen , a series on network partitions. We’re going to learn about distributed consensus, discuss the CAP theorem’s implications, and demonstrate how different databases behave under partition.
The report covers 2020 trends in political violence and demonstrations in the US, focusing on the BLM movement.
Experience zero data sprawl with EDB Postgres AI. Capable of handling 30B+ trades a day and managing 50 TB.
Previously on Jepsen , we introduced the problem of network partitions . Here, we demonstrate that a few transactions which “fail” during the start of a partition may have actually succeeded.
Household income determines health spending, mostly via higher intensity, not prices. US behaviors are consistent with well-measured income in multiple dimensions.
The rain started in August and by mid-October 2011, violent floods in Thailand had damaged the factories that helped produce nearly half of the world’s
While the terms “money” and “wealth” often mean the same thing in everyday parlance, economists define money more narrowly as the component of wealth consisting of
Understand Spanner's TrueTime and external consistency, ensuring globally consistent reads and writes across the distributed database.
KFF is collecting and analyzing data on COVID-19 vaccinations by race/ethnicity to gain increased insight who is receiving the vaccine and whether some groups are facing disparities in vaccination.
Randy Olson charts out the percentage of Bachelor's degrees conferred to women (by major) and makes some startling findings.
Randy Olson charts out the IQ of students by their major's gender ratio and reveals a startling trend.
This comes up far too often, so rather than continuing to explain it over and over again, I’m going to try to do a really good job of it once and link to it here.
Discover how Expensify achieved remarkable scaling: 4M QPS on one server! Dive into optimizing SQLite for impressive performance gains.
This is pretty important change, as it has the chance to cause performance issues in some cases.
Pagination without OFFSET has many benefits but one problem: there is no tool support. Please help changing this.
Previously on Jepsen , we explored two-phase commit in Postgres . In this post, we demonstrate Redis losing 56% of writes during a partition.
This is the introduction to a four-part series of posts detailing evidence of fraud in four academic papers co-authored by Harvard Business School Professor Francesca Gino. In 2021, we and a team o…
Federal farm subsidies make up an average of 13.5% of net farm income.
Twitter users are younger, more likely to identify as Democrats, more highly educated and have higher incomes than U.S. adults overall.
OFFSET doesn’t deliver stable results and makes the query slow. Key-set pagination does neither.
And that one article that said they did was silly and bad
I had an opportunity to meet Ted Neward at TechEd this year. Ted, among other things, famously coined the phrase “Object-Relational mapping is the Vietnam of our industy” in late 2004. It’s a scary analogy, but an apt one. I’ve seen developers struggle for years with the
Previously in Jepsen , we discussed Redis . In this post, we’ll see MongoDB drop a phenomenal amount of data. See also: followup analyses of 2.6.7 and 3.4.0-rc3 .
