trino.execution.blocked_queries

Queries currently blocked

Dimensions:None

Available on:

Prometheus (1)

Interface Metrics (1)

Prometheus

trino_blocked_queries

Number of queries currently blocked

Dimensions:None

Sources

trino_blocked_queriestrino.io

Technical Annotations (14)

Configuration Parameters (3)

retry-policyrecommended: QUERY

Enables fault-tolerant query retry but triggers the FINISHING delay issue

query.remote-task.max-error-durationrecommended: 1s

Controls how quickly queries transition to BLOCKED after task failure

query.client.timeoutrecommended: 5m (default)

Does NOT affect the FINISHING state delay despite 5-minute correlation

CLI Commands (1)

EXPLAIN ANALYZE <query>diagnostic

Technical References (10)

RemoteSourcecomponentLocalExchangecomponentFragmentconceptphased execution policyconceptJFRcomponentJprofilercomponentFINISHINGcomponentBLOCKEDcomponentfault-tolerant executionconcepttrino-python-clientcomponent

Related Insights (4)

High fragment blocked time indicates data transfer bottleneckwarning

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Query execution hangs on failures with phased execution policycritical

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Query hangs with blocked threads when scanning large tablescritical

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Query hangs in FINISHING state for 5 minutes after fault-tolerant retrywarning

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