Real ClickHouse capacity in Langfuse v4: 2,782 bytes per observation, and why almost half of that is not dataSep 15, 2026
Langfuse v4, day 2 (5 of 10): the worker's thirty-nine queues, and the three that decide whether you lose dataSep 14, 2026
Langfuse v4, day 2 (4 of 10): migrating from 3 to 4 with no window, and where the point of no return sitsSep 14, 2026
Langfuse v4, day 2 (2 of 10): putting LangGraph in front, and what one agent turn costs in observationsSep 13, 2026
Langfuse v4, day 2 (1 of 10): the data model changed underneath, and what really goes into a traceSep 12, 2026
Langfuse from the inside: the sorting centre that must not become the bottleneck it came to observeJun 6, 2026