ddpixel
I write about distributed systems, databases, tools and JVM sometimes. Besides, having an archive of everything worth keeping that I might have read though.
Writing
all articles →- 12 min read#databases#spring#javaYour Connection Pool Is A QueueWhat a connection pool actually holds, why a small one outperforms a big one, how to arrive at a size you can defend rather than guess, and the two Spring Boot defaults that quietly undo all of it.
- 9 min read#spring#java#jvmA Request Walks Into A Spring Boot AppOne GET, traced from the socket to the database and back, past the threads it borrows and the proxies it passes through, to the boring part where all the milliseconds live.
Recently Saved
all 819 →- Latency optimizations on the system level | ITNEXTITNEXTPerformance & Optimizationarticle
- Agentic Engineering at Zalando: a snapshotengineering.zalando.comAI Agents & Claude Codearticle
- Lessons from scaling PostgreSQL queues to 100K eventsrudderstack.comDatabasesarticle
- Object Storage + WAL: Lakebase Postgres for the agentic eradatabricks.comAI Agents & Claude Codearticle
- The history of Postgres shardingplanetscale.comDatabasesarticle
- How I Find Problems to Solve as a Staff Engineerlalitm.comCareer & Engineering Growtharticle
- Making 768 servers look like 1 — PlanetScaleplanetscale.comEngineering Blogs & General Resourcesarticle
- A Tale of Two Flink Autoscalers. Samuel Yeboah, Francesco Di Chiara and… | by Netflix Technology Blog | Aug, 2026 | Netflix TechBlognetflixtechblog.comEngineering Blogs & General Resourcesarticle
Activity
One cell is a day.
203 links · 2 articles in 2026
| Weekday | JanJan | FebFeb | MarMar | AprApr | MayMay | JunJun | JulJul | AugAug | SepSep | OctOct | NovNov | DecDec | |||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mon | 2026-01-05: 3 links | 2026-01-12: nothing | 2026-01-19: nothing | 2026-01-26: nothing | 2026-02-02: 2 links | 2026-02-09: 1 link | 2026-02-16: 1 link | 2026-02-23: 1 link | 2026-03-02: 1 link | 2026-03-09: 2 links | 2026-03-16: nothing | 2026-03-23: 4 links | 2026-03-30: 1 link | 2026-04-06: nothing | 2026-04-13: 1 link | 2026-04-20: nothing | 2026-04-27: 1 link | 2026-05-04: nothing | 2026-05-11: 1 link | 2026-05-18: 3 links | 2026-05-25: 1 link | 2026-06-01: nothing | 2026-06-08: 1 link | 2026-06-15: 1 link | 2026-06-22: nothing | 2026-06-29: nothing | 2026-07-06: nothing | 2026-07-13: 1 link | 2026-07-20: nothing | 2026-07-27: nothing | 2026-08-03: nothing | 2026-08-10: 1 link | 2026-08-17: 2 links | 2026-08-24: 0 links, 1 article | 2026-08-31: 1 link | 2026-09-07: nothing | 2026-09-14: nothing | 2026-09-21: nothing | 2026-09-28: nothing | 2026-10-05: nothing | 2026-10-12: nothing | 2026-10-19: nothing | 2026-10-26: nothing | 2026-11-02: nothing | 2026-11-09: nothing | 2026-11-16: nothing | 2026-11-23: nothing | 2026-11-30: nothing | 2026-12-07: nothing | 2026-12-14: nothing | 2026-12-21: nothing | 2026-12-28: nothing | |
| Tue | 2026-01-06: 4 links | 2026-01-13: nothing | 2026-01-20: nothing | 2026-01-27: 1 link | 2026-02-03: nothing | 2026-02-10: nothing | 2026-02-17: nothing | 2026-02-24: nothing | 2026-03-03: 1 link | 2026-03-10: 1 link | 2026-03-17: nothing | 2026-03-24: 3 links | 2026-03-31: nothing | 2026-04-07: nothing | 2026-04-14: nothing | 2026-04-21: nothing | 2026-04-28: nothing | 2026-05-05: 1 link | 2026-05-12: 2 links | 2026-05-19: nothing | 2026-05-26: 2 links | 2026-06-02: 1 link | 2026-06-09: nothing | 2026-06-16: nothing | 2026-06-23: nothing | 2026-06-30: nothing | 2026-07-07: 2 links | 2026-07-14: nothing | 2026-07-21: nothing | 2026-07-28: nothing | 2026-08-04: nothing | 2026-08-11: 3 links | 2026-08-18: nothing | 2026-08-25: nothing | 2026-09-01: 1 link | 2026-09-08: nothing | 2026-09-15: nothing | 2026-09-22: nothing | 2026-09-29: nothing | 2026-10-06: nothing | 2026-10-13: nothing | 2026-10-20: nothing | 2026-10-27: nothing | 2026-11-03: nothing | 2026-11-10: nothing | 2026-11-17: nothing | 2026-11-24: nothing | 2026-12-01: nothing | 2026-12-08: nothing | 2026-12-15: nothing | 2026-12-22: nothing | 2026-12-29: nothing | |
| Wed | 2026-01-07: 1 link | 2026-01-14: nothing | 2026-01-21: nothing | 2026-01-28: nothing | 2026-02-04: nothing | 2026-02-11: nothing | 2026-02-18: nothing | 2026-02-25: nothing | 2026-03-04: nothing | 2026-03-11: nothing | 2026-03-18: 1 link | 2026-03-25: 4 links | 2026-04-01: 5 links | 2026-04-08: nothing | 2026-04-15: 2 links | 2026-04-22: 2 links | 2026-04-29: nothing | 2026-05-06: nothing | 2026-05-13: nothing | 2026-05-20: nothing | 2026-05-27: 1 link | 2026-06-03: nothing | 2026-06-10: nothing | 2026-06-17: 2 links | 2026-06-24: nothing | 2026-07-01: nothing | 2026-07-08: nothing | 2026-07-15: 1 link | 2026-07-22: nothing | 2026-07-29: nothing | 2026-08-05: 1 link | 2026-08-12: nothing | 2026-08-19: 5 links, 1 article | 2026-08-26: 1 link | 2026-09-02: nothing | 2026-09-09: nothing | 2026-09-16: nothing | 2026-09-23: nothing | 2026-09-30: nothing | 2026-10-07: nothing | 2026-10-14: nothing | 2026-10-21: nothing | 2026-10-28: nothing | 2026-11-04: nothing | 2026-11-11: nothing | 2026-11-18: nothing | 2026-11-25: nothing | 2026-12-02: nothing | 2026-12-09: nothing | 2026-12-16: nothing | 2026-12-23: nothing | 2026-12-30: nothing | |
| Thu | 2026-01-01: 1 link | 2026-01-08: 1 link | 2026-01-15: nothing | 2026-01-22: nothing | 2026-01-29: nothing | 2026-02-05: nothing | 2026-02-12: 1 link | 2026-02-19: nothing | 2026-02-26: nothing | 2026-03-05: nothing | 2026-03-12: 2 links | 2026-03-19: 1 link | 2026-03-26: 1 link | 2026-04-02: nothing | 2026-04-09: 3 links | 2026-04-16: nothing | 2026-04-23: nothing | 2026-04-30: nothing | 2026-05-07: nothing | 2026-05-14: nothing | 2026-05-21: 3 links | 2026-05-28: 2 links | 2026-06-04: nothing | 2026-06-11: 1 link | 2026-06-18: nothing | 2026-06-25: nothing | 2026-07-02: nothing | 2026-07-09: nothing | 2026-07-16: nothing | 2026-07-23: nothing | 2026-07-30: nothing | 2026-08-06: nothing | 2026-08-13: 1 link | 2026-08-20: 4 links | 2026-08-27: nothing | 2026-09-03: nothing | 2026-09-10: nothing | 2026-09-17: nothing | 2026-09-24: nothing | 2026-10-01: nothing | 2026-10-08: nothing | 2026-10-15: nothing | 2026-10-22: nothing | 2026-10-29: nothing | 2026-11-05: nothing | 2026-11-12: nothing | 2026-11-19: nothing | 2026-11-26: nothing | 2026-12-03: nothing | 2026-12-10: nothing | 2026-12-17: nothing | 2026-12-24: nothing | 2026-12-31: nothing |
| Fri | 2026-01-02: 3 links | 2026-01-09: 1 link | 2026-01-16: nothing | 2026-01-23: 4 links | 2026-01-30: nothing | 2026-02-06: 6 links | 2026-02-13: nothing | 2026-02-20: 1 link | 2026-02-27: nothing | 2026-03-06: nothing | 2026-03-13: nothing | 2026-03-20: nothing | 2026-03-27: 8 links | 2026-04-03: nothing | 2026-04-10: 1 link | 2026-04-17: nothing | 2026-04-24: nothing | 2026-05-01: nothing | 2026-05-08: 1 link | 2026-05-15: nothing | 2026-05-22: nothing | 2026-05-29: nothing | 2026-06-05: nothing | 2026-06-12: 6 links | 2026-06-19: 1 link | 2026-06-26: 1 link | 2026-07-03: 1 link | 2026-07-10: nothing | 2026-07-17: nothing | 2026-07-24: nothing | 2026-07-31: 1 link | 2026-08-07: nothing | 2026-08-14: nothing | 2026-08-21: nothing | 2026-08-28: nothing | 2026-09-04: nothing | 2026-09-11: nothing | 2026-09-18: nothing | 2026-09-25: nothing | 2026-10-02: nothing | 2026-10-09: nothing | 2026-10-16: nothing | 2026-10-23: nothing | 2026-10-30: nothing | 2026-11-06: nothing | 2026-11-13: nothing | 2026-11-20: nothing | 2026-11-27: nothing | 2026-12-04: nothing | 2026-12-11: nothing | 2026-12-18: nothing | 2026-12-25: nothing | |
| Sat | 2026-01-03: 1 link | 2026-01-10: nothing | 2026-01-17: nothing | 2026-01-24: nothing | 2026-01-31: nothing | 2026-02-07: nothing | 2026-02-14: 2 links | 2026-02-21: 2 links | 2026-02-28: 1 link | 2026-03-07: nothing | 2026-03-14: nothing | 2026-03-21: 6 links | 2026-03-28: 5 links | 2026-04-04: nothing | 2026-04-11: 1 link | 2026-04-18: 1 link | 2026-04-25: nothing | 2026-05-02: 1 link | 2026-05-09: 5 links | 2026-05-16: nothing | 2026-05-23: 1 link | 2026-05-30: 2 links | 2026-06-06: nothing | 2026-06-13: nothing | 2026-06-20: 1 link | 2026-06-27: nothing | 2026-07-04: nothing | 2026-07-11: nothing | 2026-07-18: nothing | 2026-07-25: nothing | 2026-08-01: 1 link | 2026-08-08: nothing | 2026-08-15: 3 links | 2026-08-22: 2 links | 2026-08-29: nothing | 2026-09-05: nothing | 2026-09-12: nothing | 2026-09-19: nothing | 2026-09-26: nothing | 2026-10-03: nothing | 2026-10-10: nothing | 2026-10-17: nothing | 2026-10-24: nothing | 2026-10-31: nothing | 2026-11-07: nothing | 2026-11-14: nothing | 2026-11-21: nothing | 2026-11-28: nothing | 2026-12-05: nothing | 2026-12-12: nothing | 2026-12-19: nothing | 2026-12-26: nothing | |
| Sun | 2026-01-04: 1 link | 2026-01-11: 3 links | 2026-01-18: nothing | 2026-01-25: nothing | 2026-02-01: 1 link | 2026-02-08: 4 links | 2026-02-15: nothing | 2026-02-22: nothing | 2026-03-01: nothing | 2026-03-08: nothing | 2026-03-15: nothing | 2026-03-22: 1 link | 2026-03-29: 2 links | 2026-04-05: 1 link | 2026-04-12: nothing | 2026-04-19: 4 links | 2026-04-26: nothing | 2026-05-03: nothing | 2026-05-10: 3 links | 2026-05-17: 2 links | 2026-05-24: nothing | 2026-05-31: 3 links | 2026-06-07: nothing | 2026-06-14: nothing | 2026-06-21: nothing | 2026-06-28: nothing | 2026-07-05: nothing | 2026-07-12: nothing | 2026-07-19: nothing | 2026-07-26: nothing | 2026-08-02: nothing | 2026-08-09: 5 links | 2026-08-16: nothing | 2026-08-23: 2 links | 2026-08-30: 2 links | 2026-09-06: nothing | 2026-09-13: nothing | 2026-09-20: nothing | 2026-09-27: nothing | 2026-10-04: nothing | 2026-10-11: nothing | 2026-10-18: nothing | 2026-10-25: nothing | 2026-11-01: nothing | 2026-11-08: nothing | 2026-11-15: nothing | 2026-11-22: nothing | 2026-11-29: nothing | 2026-12-06: nothing | 2026-12-13: nothing | 2026-12-20: nothing | 2026-12-27: nothing |
quietbusyarticle published818 links · 2 articles