Environment variables
The section describes all the OPC-UA collector specific environment variables, see here for all the general collector environment variables.
General
READ_TIMEOUT_MS
Default value: 5000
Description: The OPC-UA read request timeout in milliseconds.
HEARTBEAT_TIMEOUT_MS
Default value: 10000
Description: The OPC-UA heartbeat timeout in milliseconds, minimum 5s.
Polling
MAX_NODES_PER_READ
Default value: 10000
Description: Maximum nodes that can be read in one request.
MAX_NODES_PER_REGISTER
Default value: 10000
Description: Maximum nodes that can be registered in one request.
MAX_READ_REQUESTS
Default value: 5
Description: Maximum amount of running OPC-UA read requests.
Monitoring
MAX_NODES_PER_MONITOR
Default value: 10000
Description: Maximum amount of nodes that can be sent in one monitor request.
Event buffer
EVENT_BUFFER_INTERVAL
Default value: 1000
Description: The interval(ms) at which the event buffer records.