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
Sources
datafusion.memory_pool.reservedgithub.com

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
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RepartitionExec memory exhaustion during aggregation spillwarning
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Join operations create unaccounted large output batches causing memory pressurewarning
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Arrow concat operation doubles memory consumption temporarilywarning
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