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Werk #18385: Improved performance when rewriting hosts files during cmk-update-config

Component Setup
Title Improved performance when rewriting hosts files during cmk-update-config
Date Aug 12, 2026
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.3.0p50 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT

During cmk-update-config the setup folder cache was cleared too frequently. This had a significant impact on performance, as the caches had to be rebuilt thousands of times.

SUP-30086

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