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CockroachDB's Consistency Model
CockroachDB's consistency model fits somewhere between serializability and linerarizability. We're proposing a new marketing phrase for CRDB's guarantees: no stale reads.
New
The latest blog posts to take off on Hacker News. 4,224 posts.
2402
Microsoft acquires Citus Data (YC S11)
Data and analytics are increasingly at the center of digital transformation, with the most leading-edge enterprises leveraging data to drive customer acquisition and satisfaction, long-term strategic planning, and expansion into net new markets. This digital revolution is placing an incredible demand on technology…
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Backblaze Hard Drive Stats for 2018
This review looks at the hard drive failure rates by make and model for 100,000+ disk drives in operation in our data centers.
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Building CockroachDB on top of RocksDB
CockroachDB uses RocksDB for its storage engine because of RocksDB's rich feature set, which is necessary for a complex product like a distributed SQL database.
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ScyllaDB Open Source 3.0
With the release of ScyllaDB Open Source 3.0, we’ve introduced a rich set of new production-ready features that surpass the capabilities of Apache Cassandra.
2407
Oklahoma Department of Securities Leaked Millions of Files
A storage server configured for public access exposed millions of files belonging to the Oklahoma Securities Commission.
2408
President Signs Government-Wide Open Data Bill
The Data Coalition is dedicated to improving government, business, and society through open data and evidence-informed public policy
2409
FoundationDB Record Layer
Today, we are excited to announce the open source release of the FoundationDB Record Layer!
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Kyoto Tycoon in 2019
I've been interested in using Kyoto Tycoon for some time. Kyoto Tycoon, successor to Tokyo Tyrant , is a key/value database with a number of desirable features:
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Say no to Venn diagrams when explaining SQL joins (2016)
In recent times, there have been a couple of tremendously popular blog posts explaining JOINs using Venn Diagrams. After all, relational algebra and SQL are set oriented theories and languages, so …
2412
The Holes in the Map: England’s Unregistered Land
Coding and writing by Anna Powell-Smith. Around 15% of the freehold land in England & Wales is unregistered. What this means is that if you go to the Land Registry and ask them ‘Who owns …
2413
Use perfect hashing, instead of binary search, for keyword lookup
We've been speculating for a long time that hash-based keyword lookup ought to be faster than binary search, but up to now we hadn't found a suitable tool for generating the hash function. Joerg Sonnenberger provided the inspiration, and sample code, to show us that rolling our own generator wasn't a ridiculous idea…
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A Primer on Database Replication (2017)
A Primer on Database Replication
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LiteCLI – A user-friendly command-line client for SQLite database
LiteCLI is written in python using the wonderful prompt-toolkit library. It is cross-platform compatible and it is tested on Linux, MacOS and Windows.
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What Kagglers Are Using for Text Classification
With the problem of Image Classification is more or less solved by Deep learning, Text Classification is the next new developing theme in deep learning. For those who don’t know, Text classification is a common task in natural language processing, which transforms a sequence of text of indefinite length into a…
2419
Text Matching Using Cosine Similarity
Recently I was working on a project where I have to cluster all the words which have a similar name. For a novice it looks a pretty simple job of using some Fuzzy string matching tools and get this done. However in reality this was a challenge because of multiple reasons starting from pre-processing of the data to…
2420
Why everything you have said about the determinants of health expenditure is wrong in one million charts: a response to Noah Smith.
Household income determines health spending, mostly via higher intensity, not prices. US behaviors are consistent with well-measured income in multiple dimensions.
2421
Two-phase commit and beyond
In this post, we model and explore the two-phase commit protocol using TLA+. The two-phase commit protocol is practical and is used in man...
2422
Using data to determine if Die Hard is a Christmas movie
Ok, enough bickering and fighting.
2423
Sqlite – Most Deployed Database in the World
SQLite is likely used more than all other database engines combined. Billions and billions of copies of SQLite exist in the wild. SQLite is found in:
2424
Congress votes to make open government data the default in the United States
On December 21, 2018, the United States House of Representatives voted to enact H.R. 4174, the Foundations for Evidence-Based Policymaking Act of 2017, in a historic win for open government in the …
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Improving compression at scale with Zstandard
Two years ago, Facebook open-sourced Zstandard v1.0, a landmark data compression solution that offers best-in-kind performance. Since then, we’ve released a variety of enhancements and advanc…
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AWS Outperforms GCP in the 2018 Cloud Report
Customers rely on us to help navigate the increasingly competitive cloud wars. This inspired the 2018 Cloud Report, a benchmark of AWS and GCP on performance, latency, CPU, network, I/O, and cost.
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At 22 years old, Postgres might just be the most advanced database yet
From Pub-Sub messaging to Foreign Data Wrappers - five extraordinary features that made Postgres our backend of choice for Arcentry
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