Check_MK Werk 8257: Fixed crashing of core when rendering a lot of performance graphs in a short time

ID: 8257 Title: Fixed crashing of core when rendering a lot of performance graphs in a short time Component: cmc Level: 2 Class: Bug fix Version: 1.2.7i3 The core could crash when a single user or multiple users were requesting a lot of performance graphs in a short time. This was caused by a non thread safe code in the used rrdtool library which made the core crash.