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* vmalert: always re-evaluate Annotations Previously, Annotations were evaluated only: 1. On alert creating. 2. On alert's value change. This is premature optimization. It was assumed that since annotations could contain only text with alert's labels or value - there is no need in spending resources to re-compile Annotations. Later, template function `query` was added, which can execute arbitrary queries and return different results on every evaluation. So if it was used in annotations, it would be executed only on init or value change. Another case when optimization caused an issue - annotations hot reload. In this case, annotations of the active alert won't change even if Rule's annotations were changed. This fix enables Annotations re-evaluation on each iteration to resolve issues above. It would have some impact on performance, but it is unlikely it will be noticeable. Signed-off-by: hagen1778 <roman@victoriametrics.com> * vmalert: add tp Changelog Signed-off-by: hagen1778 <roman@victoriametrics.com> Signed-off-by: hagen1778 <roman@victoriametrics.com> |
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