Description of the Trend and Forecast Chart for Heap Usage

This image is a screen capture of the Trend and Forecast chart for heap usage. There is a Filters field at the top left of the page. The Settings button appears above the chart on the right. The x-axis shows the dates from 28 January to 28 May 2018. The y-axis is the Gigabytes, in increments of 200, from 0 (zero) to 600 Gigabytes. Heap Size After GC (GB) appears as a solid blue line, Heap Size After GC (GB) - Best Fit appears as a gray and green dotted line, and Maximum Heap Size (GB) appears as a solid pink line. A gray vertical line indicates today.

Maximum Heap Size before today shows a downward trend from 700 to 200 Gigabytes from 14 to 22 February and after today is a straight line between 100 and 200 Gigabytes. Heap Size After GC (GB) - Best Fit before today is a straight line (with minor variations) between 0 (zero) and 100 Gigabytes, falls to 0 (zero) on 22 February, and remains at this value until 28 May.