#numa

In Toss Securities Oracle DB, repeated commit waits of 0.1 seconds or more despite normal average CPU were caused by NIC interrupts concentrated on one socket, and most of it improved after distributing interrupts across two sockets.

Toss·1·2026.10.19 12:00

Performance improved on the same resources by reducing the remote DRAM access ratio from 50% to 0.8%.

Toss·2·2026.10.12 10:00

NVIDIA has released four diagnostic case studies that close the performance gap in AI clusters.

TLDR AI·1·2026.07.31 09:00

The container scaling bottleneck wasn't containerd — it was the global mount lock on modern CPUs.

Netflix Tech·2026.03.01 07:00