Werk #18362: Prevent Race-Condition where aggregations could be compiled twice

Component	BI
Title	Prevent Race-Condition where aggregations could be compiled twice
Date	Sep 5, 2025
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.5.0b1 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT 2.4.0p12 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT 2.3.0p37 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT

Fixed a race condition when mulitple clients tried to compile the aggregations at the same time.

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