Werk #7284: Introduced explicit host attributes, increasing rule evaluation performance

Component	Setup
Title	Introduced explicit host attributes, increasing rule evaluation performance
Date	Nov 4, 2019
Level	Trivial Change
Class	New Feature
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.0.0i1 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

Some host attributes, like the host alias, are now stored in an explicit lookup table. The previous version created a rule for each alias, hereby causing lots of uneccessary rule evaluations. This is an internal code change, so you will not see any changes in the GUI.

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