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Tomas Vondra

Postgres development activity Some more thoughts on random_page_cost How are committers selected? The real cost of random I/O The AI inversion Stabilizing Benchmarks Don't give Postgres too much memory (even on busy systems) Qubes OS is pretty great Wireguard to access a home network Don't give Postgres too much memory Tuning AIO in PostgreSQL 18 Using JWT to establish a trusted context for RLS Fun and weirdness with SSDs So why don't we pick the optimal query plan? How often is the query plan optimal? Benchmarking is hard, sometimes ... Advanced Patch Feedback Session (APFS) at pgconf.dev 2025 Good time to test io_method (for Postgres 18) [PATCH IDEA] adaptive execution for `IN` queries 15 years of Prague PostgreSQL Developer Day Performance archaeology: OLAP Performance archaeology: OLTP Tuning the glibc memory allocator (for Postgres) [PATCH IDEA] parallel pgbench -i Playing with BOLT and Postgres [PATCH IDEA] amcheck support for BRIN indexes Writing a good talk proposal [PATCH IDEA] Statistics for the file descriptor cache [PATCH IDEA] Using COPY for postgres_fdw INSERT batching Importing Postgres mailing list archives
Office hours experiment
2024-08-31 · via Tomas Vondra

I’ve decided to experiment a little bit and do regular “office hours.” I’ll be available to chat about almost anything related to Postgres. It might be a technical discussion about a patch you’re working on, or a topic about the community etc.

This is not an entirely new thing. I’ve been telling people to just ping me if they want to discuss something off-list, or have a call and chat about it. I did have a couple such calls, and it was nice - faster than discussing that by email, maybe a bit closer to the ad hoc watercooler talk or a hallway track. So I’m mostly just announcing this more widely, with a couple simple rules.

I’ll do this every Tuesday, 4pm-5pm Prague time. In the future this may change, depending on other meetings I get invited to etc. If this time does not work for you because you’re in a timezone when this is in the middle of the night, let me know and we’ll try to find a better time.

You need to send me an email to tomas@vondra.me with agenda / description of what you want to talk about, at least 24 hours before the time slot (ideally a couple days before), so that I can think about it and prepare, to make the call productive. The more info you share in advance, the better.

The calls have a limit of 30 minutes, so that I can talk to multiple people. If needed we may either extend, depending on available time, or have another call the following week.

I’m not very interested in discussing proprietary products - I don’t mind forks, but the primary purpose of this is to talk to community members. Likewise, I’m not going to discuss “our” proprietary stuff.

Of course, all these discussions are considered private.

Do you have feedback on this post? Please reach out by e-mail to tomas@vondra.me.