apavlo

7 ms·

1.
by apavlo 1mo ago
There are several out of date entries in there. We used to have students help with writing entries. I just did a major refresh of the site this summer. I need to go through all the entries and figure out how to update them.
2.
by apavlo 1mo ago
Remy - Good to hear from you. Yes things are mess right now. Let me get settled with setting up the lab and we'll figure out how we want to engage with academia.
3.
by apavlo 2mo ago
TBD
4.
by apavlo 2mo ago
They will continue. New seminar series starts next month (announcement coming this week).
5.
by apavlo 2mo ago
I'm not sure what you think "research lab" means? As I mentioned in the article, we look at IBM Research (Almaden) and Microsoft Research as inspiration.
6.
by apavlo 2mo ago
I've never heard of the "Willow" data model before. It looks just like the hierarchical data model (restricted to two levels) from the 1960s with timestamp versioning. It is not clear what problem this is trying to solve that
7.
by apavlo 7mo ago
For those that are unaware, the instructor of this is on the board of OpenAI: https://openai.com/index/zico-kolter-joins-openais-board-of-...
8.
by apavlo 9mo ago
> I'd love to hear about semantic layer developments in this space (e.g. Malloy etc.) We also hosted Llyod to give a talk about Malloy in March 2025: https://db.cs.cmu.edu/events/sql-death-malloy-a-modern-open-.
9.
by apavlo 9mo ago
> How is SpacetimeDB not mentioned here? https://www.cs.cmu.edu/~pavlo/blog/2026/01/2025-databases-re...
10.
by apavlo 9mo ago
> none of the reviews of the last few years mention immutable and/or bi-temporal databases. We hosted XTDB to give a tech talk five weeks ago: https://db.cs.cmu.edu/events/futuredata-reconstructing-histo... &gt
11.
by apavlo 9mo ago
> Am I living in a bubble? There are rumblings that the MySQL project is rudderless after Oracle fired the team working on the open-source project in September 2025. Oracle is putting all its energy in its closed-source MySQL Heatwave pr
12.
by apavlo 9mo ago
> Nothing about time series-oriented databases? https://www.cs.cmu.edu/~pavlo/blog/2026/01/2025-databases-re...
13.
by apavlo 9mo ago
> I can't believe that article has no mention of SQLite ?? https://www.cs.cmu.edu/~pavlo/blog/2026/01/2025-databases-re...
14.
by apavlo 9mo ago
Thanks for catching this. Updated: https://www.cs.cmu.edu/~pavlo/blog/2026/01/2025-databases-re... I need to figure out an automatic way to track these.
15.
by apavlo 11mo ago
> If the org behind it ever decides to rugpull/elastic you I love it that you use "elastic" as a verb here.
16.
by apavlo 1y ago
> so... you take 10%-30% performance hit _right away_, and you perpetually give up any opportunities to improve the decoder in the future. The WASM is meant as a backup. If you have the native decoder installed (e.g., as a crate), then a
17.
by apavlo 1y ago
The backstory is complicated. The plan was to establish a consortium between CMU, Tsinghua, Meta, CWI, VoltronData, Nvidia, and SpiralDB to unify behind a single file format. But that fell through after CMU's lawyers freaked out over M
18.
by apavlo 1y ago
> • Memory-Mapping (mmap): We treat the database file as if it’s already in memory, eliminating the distinction between disk and RAM. Ugh, not another one...
19.
by apavlo 1y ago
You are conflating MySQL and InnoDB. The latter does a lot of good things, much more than the former.
20.
by apavlo 1y ago
They double dip. You pay them to review your company. Other companies pay them to read those reviews.
21.
by apavlo 1y ago
Dude fix your DBMS implementation before you start losing people's data. Or switch to something vetted like SQLite.
22.
by apavlo 1y ago
This schedule is not finalized yet.
23.
by apavlo 1y ago
> I'm gonna have to implement my own buffer pool and manage my reads directly like that vexatious paper[1] said all along. You make it sound like I was trying to troll everyone when we wrote that paper. We were warning you.
24.
by apavlo 1y ago
"Bridged Indexes" is a non-standard term. These are just secondary indexes using logical pointers with a mapping index. IIRC, Oracle, Hana, and HyPer do the same thing. Source: https://db.cs.cmu.edu/papers/201
25.
by apavlo 1y ago
> It's quite amazing how a db like this shows that all of those row-based dbs are doing something wrong They're not "doing something wrong". They are designed differently for different target workloads. Row-based -&g
26.
by apavlo 2y ago
> Any opensource libraries in that satellite's tech stack will now get to brag about "our code running on the moon" :) A safe bet would be that SQLite is on there. It's already in airplanes / satellites.
27.
by apavlo 2y ago
> our new query language, HelixQL But why? Why increase the barrier of entry for your system? Is there an SVG version of your logo?
28.
by apavlo 2y ago
I teach any entire lecture on this topic: https://15445.courses.cs.cmu.edu/fall2024/schedule.html#sep-...
29.
by apavlo 2y ago
Thomas is the greatest database systems researcher in the world. He is an incredible human.
30.
by apavlo 2y ago
> Wrt Andy, here are [1] somehow interesting views from (presumably) previous employees. I am only seeing this now and I take the complaints about being "slightly racist and offensive" very seriously. I am checking with investo

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