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Topics /
Databases & Data
The most popular blog posts about databases & data on Hacker News. 4,224 posts.
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The Plausibly Deniable DataBase (PDDB)
The problem with building a device that is good at keeping secrets is that it turns users into the weakest link.
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LMDB: Intel Optane SSD Microbenchmark
Since the point of these tests is to explore the performance of the Optane SSDs, the tests are configured much like the previous ondisk benchmark, using a database approximately 5x larger than RAM, to minimize the impact of caching in RAM and force the storage devices to be exercised. However, there are some twists to…
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The real cost of random I/O
How good is the random_page_cost default, and should you lower it on modern flash storage?
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Italian music through the lens of complex networks
Last year I was talking with a non-Italian, trying to convey to them how nearly the entirety of contemporary Italian music rests on the shoulders of Gianni Maroccolo — and the parts that don’t, should. In an attempt to find a way out of that conversation, they casually asked “wouldn’t it be cool to map out who…
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ScyllaDB is Moving to a New Replication Algorithm: Tablets
How moving from Vnode-based replication to tablets helps dynamically distribute data across the cluster, ultimately increasing ScyllaDB’s elasticity.
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Understanding consensus and Paxos in distributed systems
A whirlwind tour on acheiving agreement in a distributed system
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DataStax just bought our startup Langflow
The past few weeks have been nuts, and we’ve been itching to share some huge news with you all… 🥁 Langflow is joining DataStax!
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Databases in 2023: A Year in Review
Andy recounts the rise of vector databases to SQL:2023 to MariaDB troubles and the FAA outage in 2023.
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Call Me Maybe: Percona XtraDB Cluster
Percona’s CTO Vadim Tkachenko wrote a response to my Galera Snapshot Isolation post last week. I think Tkachenko may have misunderstood some of my results, and I’d like to clear those up now. I’ve ported the MariaDB tests to Percona XtraDB Cluster, and would like to confirm that using exclusive write locks on all…
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Semantic Search with SQLite
txtai is an all-in-one open-source AI framework for semantic search, LLM orchestration and language model workflows
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Wikipedia graph mining: dynamic structure of collective memory
Wikipedia graph dynamic pattern discovery. Dynamic graph analysis in GraphX. Collective memory research. Gephi graph visualization.
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Building SQLite with a small swarm
Yes, for a supported subset of SQL. To establish a baseline, I integrated the SQLLogicTest suite.
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SQLite (with WAL) doesn't do `fsync` on each commit under default settings
SQLite doesn’t do fsync unless specified.
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What Happens When You Put a Database in the Browser?
Explore DuckDB Wasm for fast, in-browser analytical SQL. Learn how to instantiate the JS API, query Parquet files, and export data to CSV with zero latency. | Reading time: 8 min read
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Surprises in the Bitcoin blockchain and how they are stored (2014)
Every Bitcoin transaction is stored in the distributed database known as the Bitcoin blockchain. However, people have found ways to hack ...
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IBM Watson Acquires Technology from Blekko
Experience an integrated media property for tech workers—latest news, explainers and market insights to help stay ahead of the curve.
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The Evaporative Cooling Effect in Social Networks (2010)
http://blog.bumblebeelabs.com/social-software-sundays-2-the-evaporative-cooling-effect/
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I Love Julia
For the past half year I’ve been exploring Julia in piecemeal fashion. It’s a language that does not conform to the traditional notions of programming. Julia...
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ReadySet Core: next-generation SQL caching, freely available
Today we’re announcing ReadySet Core, a freely available version of ReadySet that you can run anywhere from your own laptop to any cloud provider, on as many nodes as you need.
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The problem with lying is keeping track of all the lies
Or why clear consistency guarantees are how to stay sane when programming distributed systems.
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Oracle Surprised by the Present
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Keeping our free tier sustainable by preventing abuse
A free tier allows people to try a SaaS without paying first, but it opens up the service to bad actors. Here's how we balance preventing bad actors while still supporting legitimate users.
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