# \#scheduler

**URL:** https://erlangforums.com/tag/scheduler/1089.md

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## [Higher scheduler wall utilization and ETS lock contention on linux7.0 vs linux5.15](https://erlangforums.com/t/higher-scheduler-wall-utilization-and-ets-lock-contention-on-linux7-0-vs-linux5-15/6089)

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**Author:** [@fpxu](https://erlangforums.com/u/fpxu)\
**Replies:** 0\
**Last updated:** [October 29, 2026, 8:46am UTC](https://erlangforums.com/t/higher-scheduler-wall-utilization-and-ets-lock-contention-on-linux7-0-vs-linux5-15/6089 "2026-10-29T08:46:11Z")

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Hi, We see much higher normal scheduler wall utilization on Ubuntu 26 than Ubuntu 22, using the same container image, dataset, and test scenario. Environment: OTP 27 / ERTS 15.2.7.12 Kernels: \*Ubuntu 22: bu5.15.0-198…