3421
Discovering the Computer Science Behind Postgres Indexes
Optimize continuous delivery with these Jenkins best practices, including pipeline as code, parallel stages, scripted pipeline syntax, and more.
New
The latest blog posts to take off on Hacker News. 4,224 posts.
3422
3423
Following a Select Statement Through Postgres Internals
Find out for yourself how Postgres works internally. Learn what a postgres server does when it receives select statements and how it understands SQL.
3424
3425
Announcing Apache Spark 1.4
Apache Spark 1.4 introduces SparkR, new DataFrame features, ML pipelines, and enhanced visualization and monitoring tools for better production debugging.
3426
3427
Open-Source Loan-Level Analysis of Fannie and Freddie
[M]ortgages were acknowledged to be the most mathematically complex securities in the marketplace. The complexity arose entirely out of the option the homeowner has to prepay his loan; it was poetic …
3428
Almost every Cassandra feature has some surprising behavior
Cassandra is a highly-available, linearly-scalable data store, but would it work for the Parse.ly team? Read on for how to avoid common pitfalls when working with this tech!
3429
Mongo BSON Injection: Ruby Regexps Strike Again
We do penetration testing, source code auditing and vulnerability assessments
3430
InfluxDB Clustering Design – Neither CP or AP
A few weeks ago I hinted at some big changes coming in the InfluxDB clustering design. These changes came about because of the testing weve done over the last 3 months with the clustering design that was going to be shipped in 0.9.0.
3431
Recommending items to more than a billion people
Visit the post for more.
3432
High Frequency Trading Strategies
Discusses performance characteristics of high frequency trading strategies and the requirements for implementation
3433
Modelling game economy with Neo4j
Learn to build production-ready serverless applications on AWS
3434
Using logs to build a solid data infrastructure
Confluent is building the foundational platform for data in motion so any organization can innovate and win in a digital-first world.
3435
Critical fix for a potential data corruption issue in PostgreSQL 9.3 and 9.4
The PostgreSQL Global Development Group has released an update with multiple functionality and security fixes to all supported versions of …
3436
3437
Top data mining algorithms in plain English
Today, I'm going to explain in plain English the top 10 most influential data mining algorithms as voted on by 3 separate panels in this survey paper. Once you know what they are, how they work, what they do and where you ... Read More
3438
Learn SQL Interactively on Khan Academy
There are millions of SQL users around the world. Who are these people, what is SQL, and what are they all using it for? Start learning S...
3439
Please stop calling databases CP or AP
This blog post has been translated into Russian , Japanese , Chinese , and Chinese again . For more detail on problems with CAP, and a proposal for an alternative, please see my paper A Critique of the CAP Theorem .
3440
3441
Announcing Google Cloud Bigtable
As businesses become increasingly data-centric, and with the coming age of the Internet of Things (IoT), enterprises and data-driven orga...
3442
Call me maybe: Aerospike
Previously, on Jepsen, we reviewed Elasticsearch’s progress in addressing data-loss bugs during network partitions. Today, we’ll see Aerospike 3.5.4, an “ACID database”, react violently to a basic partition.
3443
Call me maybe: Elasticsearch 1.5.0
Previously, on Jepsen , we demonstrated stale and dirty reads in MongoDB . In this post, we return to Elasticsearch, which loses data when the network fails, nodes pause, or processes crash.
3444
Pgsql: Create an infrastructure for parallel computation in PostgreSQL
Create an infrastructure for parallel computation in PostgreSQL. This does four basic things. First, it provides convenience routines to coordinate …
3445
Building a ‘People Who Like This Also Like’ Feature
A while ago a friend of mine asked me how I would go about building a ‘People Who Like This Also Like …’ feature for a music startup he was working at. For each band or musician, he wanted to display a list of other artists that people might also be interested in.
3446
Data Science from Scratch: First Principles with Python
I am super-excited to announce that the book I've been working on for more than the last year, Data Science from Scratch: First Principles with Python is finally available! (buy from O'Reilly, use...
3447
3448
High Frequency Trading on the Coinbase Exchange
by Andrew Barisser
3449
3450
Call Me Maybe: MongoDB Stale Reads
Please note: our followup analysis of 3.4.0-rc3 revealed additional faults in MongoDB’s replication algorithms which could lead to the loss of acknowledged documents–even with Majority Write Concern, journaling, and fsynced writes.