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Werk #13886: Improved performance of various Livestatus queries

Component Livestatus
Title Improved performance of various Livestatus queries
Date Mar 29, 2022
Level Trivial Change
Class New Feature
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.2.0b1 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT
2.1.0b4 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

For Livestatus queries containing an AuthUser header, authorization is now checked immediately before any potentially complicated filters are evaluated. Those authorization checks are fairly cheap, so depending on the AuthUser and the filters used, performance can be improved quite a bit.

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