Bojan
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bojand.dev
Bojan
@bojand.dev
Software engineer. Science enthusiast. Constant learner. Building things @ ClickHouse. Previously built stuff at Redpanda Data, and DigitalOcean.
Reposted by Bojan
Why don’t Iceberg or Delta Lake have secondary indexes?
Because analytics workloads and OLTP workloads optimize for opposite I/O patterns.

See my dive into data layout, pruning, and what “indexing” really means in open table formats: jack-vanlightly.com/blog/2025/10...
Beyond Indexes: How Open Table Formats Optimize Query Performance — Jack Vanlightly
My career in data started as a SQL Server performance specialist, which meant I was deep into the nuances of indexes, locking and blocking, execution plan analysis and query design. These days I’m mor...
jack-vanlightly.com
October 8, 2025 at 1:01 PM
Interesting Kubernetes Gateway API implementation comparison and benchmarks.

github.com/howardjohn/g...
GitHub - howardjohn/gateway-api-bench: Gateway API Benchmarks provides a common set of tests to evaluate a Gateway API implementation.
Gateway API Benchmarks provides a common set of tests to evaluate a Gateway API implementation. - howardjohn/gateway-api-bench
github.com
June 26, 2025 at 11:06 PM
Oopsie! This will be a fun one.

issues.apache.org/jira/browse/...
[KAFKA-19012] Messages ending up on the wrong topic - ASF JIRA
issues.apache.org
March 19, 2025 at 5:22 PM
Reposted by Bojan
I've been thinking about and working to understand Free Software, Open Source, and business for a very long time. Thanks to @kelseyhightower.com, I tried to distill all of that into a single talk: youtu.be/rmhYHzJpkuo - I'm very proud of it, and I hope it helps you. :)
Reimagining OSS Licensing and Commercialization with Fair Source - Adam Jacob, System Initiative
YouTube video by CNCF [Cloud Native Computing Foundation]
youtu.be
December 12, 2024 at 11:31 PM
Hello world.
November 16, 2024 at 12:41 AM