Check_MK Werk 5804: BI aggregations: increased render performance

ID: 5804 Title: BI aggregations: increased render performance Component: BI Level: 1 Class: Bug fix Version: 1.6.0i1 The livestatus data required for rendering the BI tree is no longer fetched consecutive from one site after another. The new mechanism queries all sites in parallel, hereby increasing the livestatus query performance.