OpenTelemetry Collector Extension monitoring & observability

Metric name	Metric key	Description	Unit
Otelcol Exporter Send Failed Metric Points	otelcol_exporter_send_failed_metric_points.count	Number of metric points in failed attempts to send to destination. [alpha]	Unspecified
Otelcol Exporter Send Failed Spans	otelcol_exporter_send_failed_spans.count	Number of spans in failed attempts to send to destination. [alpha]	Unspecified
Otelcol Exporter Sent Metric Points	otelcol_exporter_sent_metric_points.count	Number of metric points successfully sent to destination. [alpha]	Unspecified
Otelcol Exporter Sent Spans	otelcol_exporter_sent_spans.count	Number of spans successfully sent to destination. [alpha]	Unspecified
Otelcol Fileconsumer Open Files	otelcol_fileconsumer_open_files	Number of open files	Unspecified
Otelcol Processor Batch Timeout Trigger Send	otelcol_processor_batch_timeout_trigger_send.count	Number of times the batch was sent due to a timeout trigger	Unspecified
Otelcol Receiver Accepted Metric Points	otelcol_receiver_accepted_metric_points.count	Number of metric points successfully pushed into the pipeline. [alpha]	Unspecified
Otelcol Receiver Accepted Spans	otelcol_receiver_accepted_spans.count	Number of spans successfully pushed into the pipeline. [alpha]	Unspecified
Otelcol Receiver Refused Metric Points	otelcol_receiver_refused_metric_points.count	Number of metric points that could not be pushed into the pipeline. [alpha]	Unspecified
Otelcol Receiver Refused Spans	otelcol_receiver_refused_spans.count	Number of spans that could not be pushed into the pipeline. [alpha]	Unspecified
Promhttp Metric Handler Errors Total	promhttp_metric_handler_errors_total.count	Total number of internal errors encountered by the promhttp metric handler.	Unspecified
Target Info	target_info	Target metadata	Unspecified
Otelcol Exporter Queue Capacity	otelcol_exporter_queue_capacity	Fixed capacity of the retry queue (in batches)	Unspecified
Otelcol Exporter Queue Size	otelcol_exporter_queue_size	Current size of the retry queue (in batches)	Unspecified
Otelcol Exporter Send Failed Log Records	otelcol_exporter_send_failed_log_records.count	Number of log records in failed attempts to send to destination.	Unspecified
Otelcol Exporter Sent Log Records	otelcol_exporter_sent_log_records.count	Number of log record successfully sent to destination.	Unspecified
Otelcol Process Cpu Seconds	otelcol_process_cpu_seconds.count	Total CPU user and system time in seconds	Unspecified
Otelcol Process Memory Rss	otelcol_process_memory_rss	Total physical memory (resident set size)	Unspecified
Otelcol Process Runtime Heap Alloc Bytes	otelcol_process_runtime_heap_alloc_bytes	Bytes of allocated heap objects (see 'go doc runtime.MemStats.HeapAlloc')	Unspecified
Otelcol Process Runtime Total Alloc Bytes	otelcol_process_runtime_total_alloc_bytes.count	Cumulative bytes allocated for heap objects (see 'go doc runtime.MemStats.TotalAlloc')	Unspecified
Otelcol Process Runtime Total Sys Memory Bytes	otelcol_process_runtime_total_sys_memory_bytes	Total bytes of memory obtained from the OS (see 'go doc runtime.MemStats.Sys')	Unspecified
Otelcol Process Uptime	otelcol_process_uptime.count	Uptime of the process	Unspecified
Otelcol Processor Batch Batch Send Size	otelcol_processor_batch_batch_send_size	Number of units in the batch	Unspecified
-	otelcol_processor_batch_batch_send_size_sum.count	-	-
-	otelcol_processor_batch_batch_send_size_count	-	-
Otelcol Processor Batch Batch Size Trigger Send	otelcol_processor_batch_batch_size_trigger_send.count	Number of times the batch was sent due to a size trigger	Unspecified
Otelcol Processor Batch Metadata Cardinality	otelcol_processor_batch_metadata_cardinality	Number of distinct metadata value combinations being processed	Unspecified