The Cluster Metrics page shows consolidated statistics for all segment hosts in the Greenplum cluster. Master and standby master hosts are excluded from the metrics.
The charts display metrics for the last time period set by the control in the top right corner of the screen.
Use the Show/hide Charts control to choose which metrics to display.
Hover over any of the charts to see values for the metrics at a point in time in pop-up boxes. The charts are synchronized so that hovering over any chart shows the same point in time in all charts.
The current value of a metric is shown in the upper right corner of its chart.
On charts with multiple metrics, toggle the display for a line on or off by clicking the line’s label in the legend at the top right of the chart. At least one line must be displayed. All lines are redisplayed at the next quantum interval.
The page has charts for the following metrics:
Memory is calculated as follows:
Total = MemTotal
Free = MemFree + Buffers + Cached
Used = MemTotal - Free