Configuration Item | Description |
Basic Info | Chart Name: Set the display name of the chart, which can be left empty. Description: Set the description information for the chart. |
Number Format |
Configuration Item | Description |
Dimension Fields | Classification field. By default, fields with the string data type are selected. If no string field exists, you must manually specify a field. |
Metric Fields | A numerical field. By default, the first field of the number data type is selected. If no such field is available, you must manually specify a field. |
Configuration Item | Description |
Displayed Content | Controls whether to display the metric name in the single-value chart. |
Metric Aggregation Method | When a metric has multiple results in the statistical results, the single-value chart needs to aggregate the results into a single value for display or select one of them for display. The most recent non-null value is used by default. |
Font Size | When the font for the single-value chart is configured to a fixed size, it remains fixed. When the font is configured to automatic, the font size automatically adapts based on the chart dimensions. |
Color Scheme | Configures the display color of the chart. |



Configuration Item | Description |
Changes | After the changes feature is enabled, you can compare the data in a time period with the data in the same period X hours, days, months, or years ago. You can choose to compare absolute values or percentages. |

Configuration Item | Description |
Interaction event | Configures chart interaction events to support adding interactive behaviors such as jump links and filter conditions. |
Configuration Item | Description |
Threshold | Sets threshold points and allows adding multiple threshold intervals. Click the color corresponding to a threshold to open the color palette and customize the color. |

level:error* | select count(*) as "number_of_error_logs"
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