Werk #10766: Fix custom graphs designer fraction
| Component | Metrics system |
| Title | Fix custom graphs designer fraction |
| Date | Jan 7, 2020 |
| Checkmk Edition | Checkmk Enterprise (CEE) |
| Checkmk Version | 1.6.0p8 |
| Level | Trivial Change |
| Class | Bug Fix |
| Compatibility | Compatible - no manual interaction needed |
Custom graphs allows to compose metrics through an operation. Fraction, that is the ratio between 2 metrics, was not recognized by the GUI editor. This werk fixes the issue.
