Apple-owned company FoundationDB today announced the open source release of the FoundationDB Record Layer, which it says offers up relational database semantics on top of FoundationDB with schema management, indexing facilities, and a "rich set of query capabilities.

Apple uses the Record Layer to support applications and services for hundreds of millions of users, and combined with FoundationDB, it forms the backbone of Apple's CloudKit service.

foundationdb 1

Built on top of FoundationDB, the Record Layer inherits FoundationDB's strong ACID semantics, reliability, and performance in a distributed setting. The Record Layer also uses FoundationDB's transactional semantics to provide features similar to a traditional relational database, but in a distributed setting. For example, the Record Layer's secondary indexes are maintained transactionally, so they're always up-to-date with the latest changes to the data. Transactions reduce the number of bugs in application code and greatly simplify application development.

FoundationDB also wrote a full paper describing how the Record Layer was built to run at a massive scale and just how CloudKit uses it. That paper is available in PDF form here.

In a nutshell, CloudKit uses the Record Layer to host billions of independent databases, and its feature set lets CloudKit provide rich APIs and strong semantics with improved scalability and reduced maintenance.

FoundationDB has also written a getting started guide designed to walk users through creating an application that uses the Record Layer, along with a detailed overview and a forum, all of which is available via the open source announcement.

Apple purchased FoundationDB back in 2015, and made the FoundationDB core open source in April 2018.

Top Rated Comments

now i see it Avatar
70 months ago
Just in case anyone was wondering whether they should camp out at an Apple Store to be early in line to get "this"... you shouldn't.
Score: 2 Votes (Like | Disagree)
Junior117 Avatar
70 months ago
Just in case anyone was wondering whether they should camp out at an Apple Store to be early in line the get "this"... you shouldn't.
Alright, everyone: the gig is up. Pack it up.

*puts away tent and camping equipment*
Score: 2 Votes (Like | Disagree)

Popular Stories

iphone se 4 modified flag edges

When to Expect the Next iPhone SE to Launch

Friday May 17, 2024 2:03 pm PDT by
It has been over two years since Apple released the third-generation iPhone SE, and rumors continue to surface about a new model. The latest word comes from The Information, which today reported that Apple plans to release a new iPhone SE with a design similar to the standard iPhone 14 in the spring of 2025. If this rumor is accurate, the iPhone SE would finally gain Face ID and a notch...
iOS 17

iOS 17.5 Bug May Also Resurface Deleted Photos on Wiped, Sold Devices [Updated]

Friday May 17, 2024 12:24 pm PDT by
A bug in iOS 17.5 is apparently causing photos that have been deleted to reappear, and the issue seems to impact even iPhones and iPads that have been erased and sold off to other people. A Reddit user wiped an iPad following Apple's guidelines in September of 2023 before selling it off to a friend. That friend updated the iPad to iPadOS 17.5 this week, and began seeing the Reddit user's old ...
iphone se 4 modified flag edges

iPhone SE 4 With Face ID Said to Be Priced Below $500

Monday May 20, 2024 3:43 am PDT by
Apple is targeting a sub-$500 starting price for its upcoming fourth-generation iPhone SE model despite a raft of rumored upgrades coming to the more affordable device. According to leaker Revegnus on X, the U.S. launch price of the fourth-generation iPhone SE will either remain at the same $429 starting price as the current model, or will see an increase of around 10%. Either way, Apple's...
iOS 17

Apple Releases iOS 17.5.1 With Fix for Reappearing Photos Bug

Monday May 20, 2024 10:11 am PDT by
Apple today released iOS 17.5.1 and iPadOS 17.5.1, minor updates to the iOS 17 and iPadOS 17 operating system updates that came out last September. The 17.5.1 updates come a week after the launch of iOS 17.5 and iPadOS 17.5. iOS 17.5.1 and iPadOS 17.5.1 can be downloaded on eligible iPhones and iPads over-the-air by going to Settings > General > Software Update. According to Apple's...
iPhone 16 Camera Lozenge 2 Perspective

iPhone 16 Lineup Rumored to Come in These Two New Colors

Sunday May 19, 2024 11:08 am PDT by
Apple analyst Ming-Chi Kuo today outlined his expectations for the iPhone 16 lineup's color options, revealing that two new colors should replace two of the existing shades. Kuo outlined his expectations in a post on X (formerly Twitter) earlier today. He believes that the iPhone 16 Pro and iPhone 16 Pro Max will be available in black, white or silver, gray or "Natural Titanium," and rose....
oled m4 ipad pro grainy display reports

OLED iPad Pro Users Report 'Grainy' Displays, But It May Not Be a Defect

Friday May 17, 2024 5:57 am PDT by
Some new M4 iPad Pro models are exhibiting a visible static grain pattern across the OLED display, according to several user reports on Reddit (1, 2, 3) and the MacRumors Forums. Image credit: MacRumors user bk215 Users who see the grain generally report that it is most noticeable in dark environments with the display set at a low to medium brightness while viewing content with gray or muted...