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Topics /
Databases & Data
The most popular blog posts about databases & data on Hacker News. 192 posts.
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Hard Drive Cost per Gigabyte
For hard drive prices, the race to zero is over: nobody won. As you’ll see, the hard drive pricing curve has flattened out.
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Introducing WAL-G: Faster Disaster Recovery for Postgres
A key part of running a reliable database as a service is ensuring you have a good plan for disaster recovery. This post introduces WAL-G, the successor to WAL-E for Postgres, a complete rewrite of WAL-E that provides the same functionality plus 4x faster restores on recovery.
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Search at Slack
On average, 20% of a knowledge worker’s day is spent looking for the information they need to get their work done. If you think about a typical work week, that means an entire day is dedicated to this task! To help our users find more time in their day, the Search, Learning, and Intelligence team set…
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Making Google Data Studio Free for Everyone
Today, Google's mission to organize the world's information and make it universally accessible and useful is even more relevant and broad reaching.
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Elasticsearch 6.0.0 GA released
With 2236 pull requests by 333 commiters added since the release of Elasticsearch 5.0.0, we are proud to announce the release of Elasticsearch 6.0.0 GA, based on Lucene 7.0.1.
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Postgres tips for Rails developers
At RailsConf, the Citus engineering team found themselves sharing lots of useful Postgres tips on how to debug and improve the performance of your Postgres database from your Rails app. Includes topics like long-running queries, misbehaving queries, pg_stat_statements, pgBouncer, and more.
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How we saved money by replacing Mixpanel with BigQuery and K8S
Insights, guides, and product updates from Cloud Intelligence™.
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Ways to paginate in Postgres (2016)
Pagination, pervasive as it is in web applications, is easy to implement inefficiently. This post examines different methods of server-side pagination and their tradeoffs in PostgreSQL. Methods explored include limit-offset, cursors, keyset pagination, as well as more exotic techniques.
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LogDevice: a distributed data store for logs
Visit the post for more.
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Tendermint 0.10.2
Tendermint is a server and a protocol for building linearizable (or sequentially consistent) byzantine fault-tolerant applications. Tendermint validators accept transactions from clients over HTTP, and replicate them to the other validators in the cluster, forming a totally ordered sequence of transactions. Each…
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.NET Core Image Processing
Image processing, and in particular image resizing, is a common requirement for web applications. As such, I wanted to paint a panorama of the options that exist for .NET Core to process images. For each option, I’ll give a code sample for image resizing, and I’ll outline interesting features. I’ll conclude with a…
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Storage engine design
In time-series databases the querying pattern differs from the write pattern. We usually write data in time order by updating many series every second. But querying is a different story. We usually want to read only a handful of series leaving most of the data behind. Here lies the biggest problem, which is we don’t…
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How to Scale PostgreSQL on AWS: Learnings from Citus Cloud
Lessons learned in scaling out the PostgreSQL database in the cloud using Citus, an open source extension to Postgres that is also available as a fully-managed database as a service. From operational pain points like HA to disaster recovery to backups to monitoring and logging and alerts.
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Introducing Dash – Reactive Web Apps for Python
Create Reactive Web Apps in pure Python
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Sorting number strings numerically
The only enterprise AI data platform that cuts complexity, reduces costs, and gets you to production faster.
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Inside Cloud Spanner and the CAP Theorem
Building systems that manage globally distributed data, provide data consistency and are also highly available is really hard. The beauty of the cloud is that someone else can build that for you.