Document more config properties from otel-java
MODIFY
README.md
README.md
@@ -82,7 +82,7 @@ A simple wrapper for the OTLP exporter of opentelemetry-java.
| otel.otlp.metadata | OTEL_OTLP_METADATA | The key-value pairs separated by semicolon to pass as request metadata. |
| otel.otlp.span.timeout | OTEL_OTLP_SPAN_TIMEOUT | The max waiting time allowed to send each span batch, default is 1000. |
-#### Logging Exporter
+#### Logging exporter
The logging exporter simply prints the name of the span along with its
attributes to stdout. It is used mainly for testing and debugging.
@@ -92,6 +92,33 @@ attributes to stdout. It is used mainly for testing and debugging.
| ota.exporter=logging | OTA_EXPORTER=logging | To select logging exporter |
| ota.exporter.logging.prefix | OTA_EXPORTER_LOGGING_PREFIX | An optional string that is printed in front of the span name and attributes. |
+#### Batch span processor
+
+| System property | Environment variable | Purpose |
+|---------------------------|---------------------------|------------------------------------------------------------------------------|
+| otel.bsp.schedule.delay | OTEL_BSP_SCHEDULE_DELAY | The interval in milliseconds between two consecutive exports (default: 5000) |
+| otel.bsp.max.queue | OTEL_BSP_MAX_QUEUE | Maximum queue size (default: 2048) |
+| otel.bsp.max.export.batch | OTEL_BSP_MAX_EXPORT_BATCH | Maximum batch size (default: 512) |
+| otel.bsp.export.timeout | OTEL_BSP_EXPORT_TIMEOUT | Maximum allowed time in milliseconds to export data (default: 30000) |
+| otel.bsp.export.sampled | OTEL_BSP_EXPORT_SAMPLED | Whether only sampled spans should be exported (default: true) |
+
+#### Trace config
+
+| System property | Environment variable | Purpose |
+|---------------------------------|---------------------------------|------------------------------------------------------|
+| otel.config.sampler.probability | OTEL_CONFIG_SAMPLER_PROBABILITY | Sampling probability between 0 and 1 (default: 1) |
+| otel.config.max.attrs | OTEL_CONFIG_MAX_ATTRS | Maximum number of attributes per span (default: 32) |
+| otel.config.max.events | OTEL_CONFIG_MAX_EVENTS | Maximum number of events per span (default: 128) |
+| otel.config.max.links | OTEL_CONFIG_MAX_LINKS | Maximum number of links per span (default: 32) |
+| otel.config.max.event.attrs | OTEL_CONFIG_MAX_EVENT_ATTRS | Maximum number of attributes per event (default: 32) |
+| otel.config.max.link.attrs | OTEL_CONFIG_MAX_LINK_ATTRS | Maximum number of attributes per link (default: 32) |
+
+#### Interval metric reader
+
+| System property | Environment variable | Purpose |
+|--------------------------|--------------------------|------------------------------------------------------------------------------|
+| otel.imr.export.interval | OTEL_IMR_EXPORT_INTERVAL | The interval in milliseconds between pushes to the exporter (default: 60000) |
+
##### Customizing the OpenTelemetry SDK
*This is highly advanced behavior and still in the prototyping phase. It may change drastically or be removed completely. Use

Document more config properties from otel-java (#685)