Tanel Poder 🇺🇦 @TanelPoder
Creator of https://t.co/w1Pz4s2EhV and a long time computer performance nerd. Performance & Troubleshooting Training: https://t.co/lRKHSCFE6M tanelpoder.com Miami, FL Joined February 2009-
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Tanel Poder 🇺🇦 retweeted
eBPF has always been a popular topic at #P99CONF. On October 22-23, we'll welcome @TanelPoder, @ddelnano, Jake Hillion, and @parttimen3rd to share what's next for observability and #eBPF. Don't miss these interactive sessions! ow.ly/NpUk50WRh65 #ScyllaDB
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Tanel Poder 🇺🇦 retweeted
This is one of the things I’ve been doing at Cursor! We’ve migrated our largest database workload, the `codebase` cluster, from AWS Aurora Limitless to PlanetScale. The cluster contains syncing metadata for all the user codebases that we index. Why did we migrate from Aurora…
This is one of the things I’ve been doing at Cursor! We’ve migrated our largest database workload, the `codebase` cluster, from AWS Aurora Limitless to PlanetScale. The cluster contains syncing metadata for all the user codebases that we index. Why did we migrate from Aurora…
Tanel Poder 🇺🇦 retweeted
✍️New Post ✍️ Python's async support is 10 years old this year. Python 3.14 has "proper" parallelism now -- free-threading and subinterpreter pool workers, so does that make async redundant? I look into the use cases and challenges of asyncio. tonybaloney.github.io/posts/why-isnt…
Tanel Poder 🇺🇦 retweeted
this is a great paper from snowflake, tl:dr; people (and tools) write very bad #SQL, my favorite which I did all the time is using joins on text field vldb.org/pvldb/vol18/p5…
Tanel Poder 🇺🇦 retweeted
We’re live now #SD25! Curious how interfaces can deliver a 1000x speedup? Join the chat and find out: youtube.com/watch?v=yKgfk8…
Tanel Poder 🇺🇦 retweeted
Source code not available, infrastructure out of date, and institutional knowledge missing. How many systems do you have with THAT profile? @thoughtworks doesn't let that stop them. Here's an article on using AI to help reverse engineer a system ... martinfowler.com/articles/black…
Tanel Poder 🇺🇦 retweeted
@P99CONF This will (again) be fun! I've talked about this method at P99CONF before, this year I'll launch the first ever production-grade version of this. I'll also introduce *passive sampling* that does not use any tracepoints or probes - no slowdown! Demo video: tanelpoder.com/posts/xtop-top…
One of the coolest tech + data videos I've ever seen. If you like hardware, high performance data and ML check it out :-) youtube.com/watch?v=T8HT_X…
Tanel Poder 🇺🇦 retweeted
My hobby project woes come from my lack of understanding the Folios and the relevant details around it in the Linux kernel. I found a good talk by the author, worth watching: youtu.be/nknQML80w3E
Linux Storage Stack Diagram (up to kernel v6.16) published: thomas-krenn.com/en/wiki/Linux_…
Tanel Poder 🇺🇦 retweeted
Improve query speed, reduce memory usage, and reduce client CPU with the recently enhanced python-oracledb driver functionality to directly write or read DataFrames. 🔥 social.ora.cl/6018fQF5s
Tanel Poder 🇺🇦 retweeted
Tanel Poder 🇺🇦 retweeted
Struggling to pinpoint why your #PostgreSQL query is slow? EXPLAIN (ANALYZE, BUFFERS) gives the execution plan, but complex plans can hide performance clues. 🧠Plan visualizers save the day! What are your favorite tools for visualizing & optimizing Postgres query plans?
Tanel Poder 🇺🇦 retweeted
Tanel Poder 🇺🇦 retweeted
I've updated the first chapter of linux-insides on the Linux kernel booting process to reflect modern 6.16+ kernels - github.com/0xAX/linux-ins…
Tanel Poder 🇺🇦 retweeted
Queue sizing is hard. Learn all about the sizing of the sampling queues in JDK 25's new CPU-time profiler in mostlynerdless.de/blog/2025/08/2…
Tanel Poder 🇺🇦 retweeted
I have published the CatVector embedding-vector heatmap visualization app (for learning and fun!) as a static webpage now (just browser is enough, no downloads or Python needed). And now we have dark mode too! 😼 tanelpoder.com/catvector/
Tanel Poder 🇺🇦 retweeted
This is cool (and useful)! 101+ gen AI use cases with technical blueprints cloud.google.com/blog/products/… /via @iamkirantailor @rseroter
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