Setting the Server Metrics Publisher
The server performance metrics can be used to report, monitor, and configure the server’s health and limits. The collected metrics may include the following information:
- Long polling, WebSocket, and total number of connections
- CPU loading percentage
- Maximum, size, and used Heap Bytes
- Subscription alerts, users, and total
- Number of parallel data loading and live threads
- Average data load time or refresh rate
You can configure the following properties in the Panopticon.properties file located in the AppData folder or /etc/panopticon/appdata:
| Property | Server Metrics |
|
Attribute |
metrics.authorization.level |
|
Description |
Specifies the required authorization level to get server metrics. Available values NOTE: This property is case sensitive.
|
|
Default Value |
ADMINISTRATOR |
|
Property |
Server Metrics |
|
Attribute |
metrics.collection.rate |
|
Description |
Specifies the rate at which metrics are collected in milliseconds. |
|
Default Value |
1000 |
|
Property |
Server Metrics |
|
Attribute |
metrics.file.flush.rate |
|
Description |
Specifies how often metrics should be saved to disk in milliseconds. Only used if the metrics.publisher.type is set to FILE. |
|
Default Value |
10000 |
|
Property |
Server Metrics |
|
Attribute |
metrics.memory.queue.size |
|
Description |
Specifies how many metric entries are stored in memory. When the number of metrics goes above the specified value, the oldest value is removed to make room for the newest one (FIFO). Only used if the metrics.publisher.type is set to MEMORY. |
|
Default Value |
100 |
|
Property |
Server Metrics |
|
Attribute |
metrics.publisher.configuration |
|
Description |
Specifies the id for which metric publisher configuration to use. |
|
Default Value |
|
|
Property |
Server Metrics |
|
Attribute |
metrics.publisher.type |
|
Description |
Specifies the current metric publisher that is used. Available values are NONE, MEMORY, FILE, EMAIL, INFLUX_DB, JDBC, KAFKA, KDB, MQTT, REST, TEXT. |
|
Default Value |
MEMORY |
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