Technologies/Apache DataFusion/datafusion.memory_pool.reserved
Apache DataFusionApache DataFusionMetric

datafusion.memory_pool.reserved

Memory reserved by pool
Dimensions:None
Available on:OpenTelemetryOpenTelemetry (1)
Interface Metrics (1)
OpenTelemetryOpenTelemetry
Current amount of memory reserved by the memory pool
Dimensions:None

Technical Annotations (8)

Error Signatures (1)
ResourcesExhaustedexception
Technical References (7)
memory_reservation_bytescomponentRepartitionExeccomponentAggregateExeccomponentBatchSplittercomponentMemoryReservationcomponentMemoryPoolcomponentarrow concatcomponent
Related Insights (4)
Memory pool lacks dual watermark causing premature OOM errorswarning
RepartitionExec memory exhaustion during aggregation spillwarning
Join operations create unaccounted large output batches causing memory pressurewarning
Arrow concat operation doubles memory consumption temporarilywarning