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SQLite small blob storage: 35% Faster Than the Filesystem
SQLite reads and writes small blobs (for example, thumbnail images) 35% faster¹ than the same blobs can be read from or written to individual files on disk using fread() or fwrite().
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 26 posts.
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Turning the database inside-out with Apache Samza (2015)
Confluent is building the foundational platform for data in motion so any organization can innovate and win in a digital-first world.
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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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Postmortem of database outage of January 31
Postmortem on the database outage of January 31 2017 with the lessons we learned.
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Spanner: TrueTime and external consistency
Understand Spanner's TrueTime and external consistency, ensuring globally consistent reads and writes across the distributed database.
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Jepsen: CockroachDB beta-20160829
CockroachDB is a distributed SQL database, loosely patterned after Google Spanner and designed for semi-synchronous networks. It speaks the PostgreSQL wire protocol , supports a reasonable dialect of SQL , and combines replication for durability with transparent scale-out sharding for large tables. Its most…
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MongoDB 3.4.0-rc3
In the past year and a half, MongoDB has put a good deal of work into improved read safety, enabled by the adoption of their new replication protocol and the WiredTiger storage engine. Dirty reads were addressed in 3.2 by introducing a majority read concern , and stale reads were addressed with the introduction of the…
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Exactly-once Semantics: How Kafka Does it
Exactly-once is a hard problem to solve, but we've done it. Available now in Apache Kafka 0.11, exactly-once semantics.
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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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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.
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How Discord Stores Billions of Messages Using Cassandra
Discover the latest news and app updates, stories, company insights, and plenty more about Discord, all in one place.
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RethinkDB versus PostgreSQL: my personal experience
News and updates about CoCalc
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Delivering Billions of Messages Exactly Once
The single requirement of all data pipelines is that they cannot lose data. Data can usually be delayed or re-ordered–but never dropped.
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Creating a Modern OCR Pipeline Using Computer Vision and Deep Learning
Dash knows your context, your team, and your work, so your team can stay organized, easily find and share knowledge, and keep projects secure, all from one place.
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Publishing with Apache Kafka at The New York Times
This post covers how Apache Kafka and its Streams API are used for storing and processing all the articles ever published by The New York Times
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Backblaze Hard Drive Stats for 2016
We take a deep dive on hard drive performance stats from 73,653 hard drives. What are the most reliable hard drives by size, manufacturer, and model?
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Same Stats, Different Graphs: Datasets with Varied Appearance and Identical Stats
Why graphical representation and visualization are so important to...
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Amazon Aurora with PostgreSQL Compatibility
Late last year I told you about our plans to add PostgreSQL compatibility to Amazon Aurora. We launched the private beta shortly after that announcement, and followed it up earlier this year with an open preview. We’ve received lots of great feedback during the beta and the preview and have done our best to make […]
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CockroachDB 1.0
Launching CockroachDB 1.0, a production-ready release with distributed SQL and multi-active availability in two tiers: CockroachDB Core and CockroachDB Self-hosted.
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The MongoDB hack and the importance of secure defaults
There’s a widespread attack on insecure MongoDB installs that has resulted in over 28,000 databases being held ransom. This post explains the hack, how to protect yourself and what can we learn from it.
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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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