The latest blog posts to take off on Hacker News. 4,224 posts.
With the release of Elasticsearch 1.1.0, there is a new metric aggregation available to users: the Percentile metric. Percentiles tell you the value at which a certain percentage of your data is incl...
This is a comparison of PostgreSQL DBaaS providers with an interactive calculator.
The nuance between timestamp with and without time zone
By Jonas Kristoffer Lindeløv ( blog , profile ). Last updated: 28 June, 2019 (See changelog ). Check out the Python version and the Twitter summary .
Amazon Aurora: on avoiding distributed consensus for I/Os, commits, and membership changes, Verbitski et al., SIGMOD’18 This is a follow-up to the paper we looked at earlier this week on the design…
balenaSense reads temperature- humidity- barometric pressure- and air quality- and provides a dashboard that you can access from anywhere.
Note: this is a pretty long post. If you’re not interested in the details, the conclusion at the bottom is intended to be read in a standalone fashion. There’s also a related blog post …
I was reading a post recently about Red Hat removing MongoDB support from Satellite (and yes, some folks say it is because of the license changes). It made me think how often over the last few years I’ve seen post after angry post about how terrible MongoDB is and how no one should ever use. However, […]
2019-04-10: The long fork test used in this analysis contained a bug which caused it to (in many cases) fail to identify long fork anomalies. We have re-checked YugaByte DB 1.1.15.0-b16 with a corrected checker, and its long fork tests still pass.
Researchers encode the word “hello” in fabricated DNA, convert it back to digital using fully automated DNA storage system.
pgDash is an in-depth monitoring solution designed specifically for PostgreSQL deployments. pgDash shows you information and metrics about every aspect of your PostgreSQL database server, collected using the open-source tool pgmetrics.
When you are working with a database, or any other kind of software, your experience is enhanced or hindered by the tools you use to interact with it. PostgreSQL has a command line tool, psql, and it’s pretty powerful, but some people much prefer a graphical editor.
In contrast to the imperative programming paradigm, declarative programming expresses the logic of a computation without explicitly specifying its control flow. That is, declarative programming focuses on the what , not the how . If you have tentatively researched declarative programming before, you have likely read…
Meet Iodide, an experimental open source tool to help scientists write beautiful interactive documents using web technologies, all within a browser-based iterative workflow that will be familiar to many scientists.
中文版 – At AWS, we focus on solving problems for customers. Over the years, customer usage and dependencies on open source technologies have been steadily increasing; this is why we’ve long been committed to open source, and our pace of contributions to open source projects – both our own and others’ – continues to…
This post discusses the benefits of full-stack data science generalists over narrow functional specialists. The later will help you execute and bring process...
RiakAround 2013, Riak was at the forefront of Conflict-Free Replicated Data Type (CRDT) development with the engineers at Basho Technologies working hard to integrate efficient, usable CRDTs from t...
This post shows how to process gigabytes of unstructured data with the Spark framework and using the R language.
Keeping CALM: when distributed consistency is easy Hellerstein & Alvaro, arXiv 2019 The CALM conjecture (and later theorem) was first introduced to the world in a 2010 keynote talk at PODS. Beh…
In 2012, Thomson, Diamond, Weng, et al. published Calvin: Fast Distributed Transactions for Partitioned Database Systems : a transactional protocol optimized for geographic replication. Each Calvin cluster is comprised of multiple replicas , where a replica is a collection of nodes which store a complete copy of the…
Update: the matplotlib pull request has been merged! See This post for a description of the XKCD functionality now built-in to matplotlib!
Our new cat, Snowy, is waking early. She is startled by the noise of jets flying over our house. Can I determine which plane is upsetting her by utilizing open source streaming solutions (Apache Kafka®), KSQL (the streaming SQL engine for Apache Kafka) a…
This is my notes on the paper: Amazon Aurora: Design Considerations for High Throughput Cloud-Native Relational Databases.
