Bare-metal environment variables
A bare-metal node reads these environment variables when it starts with
polars-nanook-compute service.
polars-nanook-compute command
| Variable | Description |
|---|---|
OTLP_ENDPOINT |
Target endpoint for sending OTLP traces to your OpenTelemetry collector, see OpenTelemetry and logs. e.g. http://otel-collector:4317. |
PLC_LOG_LEVEL |
Controls logging verbosity for the Polars Nanook components (e.g. scheduler/worker), see OpenTelemetry and logs. One of off, error, warn, info, debug or trace. Defaults to info. |
POLARS_EULA_ACCEPTED |
Accepts the EULA of a cluster with a license file, see Install and license. e.g. 1. |
NANOOK__<SECTION>__<KEY> |
Overrides a key of the configuration file, see the Config file reference. |
Open-source Polars library
| Variable | Description |
|---|---|
POLARS_TEMP_DIR |
Overrides the default temporary directory Polars uses for scratch files and some I/O operations. |
The polars-nanook-compute command embeds the open-source Polars library, so every environment
variable that library recognizes also applies.