Query (id=3b48af24c3c8816b:9a398d0900000000): Summary: Session ID: 3548640526009d8e:54f00f18add8f6be Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 16:44:42.447395000 End Time: 2025-12-26 16:44:42.502511000 Duration: 55.116ms (55116 us) Query Type: QUERY Query State: FINISHED Impala Query State: FINISHED Query Status: OK Impala Version: impalad version 4.4.1-RELEASE RELEASE (build ced4193fbfdc9b5635407157c0f18ce00480327c) User: psantos Connected User: psantos Delegated User: Network Address: 172.19.143.25:56004 Default Db: default Sql Statement: select 1 Coordinator: impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000 Query Options (set by configuration): COMPRESSION_CODEC=TCompressionCodec(codec=ZSTD, compression_level=3),DEFAULT_JOIN_DISTRIBUTION_MODE=SHUFFLE,TIMEZONE=Europe/Moscow,DEFAULT_FILE_FORMAT=PARQUET,DEFAULT_HINTS_INSERT_STATEMENT=NOCLUSTERED,FETCH_ROWS_TIMEOUT_MS=0,ENABLE_OUTER_JOIN_TO_INNER_TRANSFORMATION=1,UTF8_MODE=1 Query Options (set by configuration and planner): NUM_NODES=1,NUM_SCANNER_THREADS=1,COMPRESSION_CODEC=TCompressionCodec(codec=ZSTD, compression_level=3),RUNTIME_FILTER_MODE=OFF,MT_DOP=0,DEFAULT_JOIN_DISTRIBUTION_MODE=SHUFFLE,TIMEZONE=Europe/Moscow,DEFAULT_FILE_FORMAT=PARQUET,DEFAULT_HINTS_INSERT_STATEMENT=NOCLUSTERED,SPOOL_QUERY_RESULTS=0,FETCH_ROWS_TIMEOUT_MS=0,ENABLE_OUTER_JOIN_TO_INNER_TRANSFORMATION=1,UTF8_MODE=1 Plan: ---------------- Max Per-Host Resource Reservation: Memory=0B Threads=1 Per-Host Resource Estimates: Memory=10MB Codegen disabled by planner Analyzed query: SELECT CAST(1 AS TINYINT) F00:PLAN FRAGMENT [UNPARTITIONED] hosts=1 instances=1 | Per-Host Resources: mem-estimate=0B mem-reservation=0B thread-reservation=1 PLAN-ROOT SINK | output exprs: 1 | mem-estimate=0B mem-reservation=0B thread-reservation=0 | 00:UNION constant-operands=1 mem-estimate=0B mem-reservation=0B thread-reservation=0 tuple-ids=0 row-size=1B cardinality=1 in pipelines: <none> ---------------- Estimated Per-Host Mem: 10485760 Request Pool: root.default Per Host Min Memory Reservation: impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000(0) Per Host Number of Fragment Instances: impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000(1) Admission result: Admitted as a trivial query Cluster Memory Admitted: 10.00 MB Executor Group: empty group (using coordinator only) Number of running queries in designated executor group when admitted: 0 ExecSummary: Operator #Hosts #Inst Avg Time Max Time #Rows Est. #Rows Peak Mem Est. Peak Mem Detail ------------------------------------------------------------------------------------------------- F00:ROOT 1 1 17.419us 17.419us 0 0 00:UNION 1 1 17.189us 17.189us 1 1 0 0 Errors: Query Compilation: 925.888us - Metadata of all 0 tables cached: 288.806us (288.806us) - Analysis finished: 452.276us (163.470us) - Authorization finished (noop): 517.563us (65.287us) - Value transfer graph computed: 565.036us (47.473us) - Single node plan created: 594.404us (29.368us) - Distributed plan created: 613.956us (19.552us) - Lineage info computed: 642.071us (28.115us) - Planning finished: 925.888us (283.817us) Query Timeline: 62.663ms - Query submitted: 49.773us (49.773us) - Planning finished: 1.510ms (1.460ms) - Submit for admission: 1.698ms (187.389us) - Completed admission: 11.675ms (9.977ms) - Ready to start on 1 backends: 11.765ms (90.382us) - All 1 execution backends (1 fragment instances) started: 12.573ms (808.406us) - Rows available: 13.432ms (858.370us) - First row fetched: 46.380ms (32.947ms) - Last row fetched: 55.035ms (8.655ms) - Released admission control resources: 55.114ms (78.265us) - Unregister query: 62.663ms (7.549ms) - AdmissionControlTimeSinceLastUpdate: 68.000ms - ComputeScanRangeAssignmentTimer: 0.000ns Memory Reserve: Frontend: Referenced Tables: Expr memory estimated bytes: 150 - ExecutorGroupsConsidered: 1 (1) Executor group 1: Verdict: Assign to first group because the number of nodes is 1 - MemoryMax: 8589934592.00 GB (9223372036854775807) ImpalaServer: - ClientFetchWaitTimeStats: (Avg: 20.772ms ; Min: 8.645ms ; Max: 32.899ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 224.000ns - ClientFetchWaitTimer: 41.545ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 10.000us - RPCWriteTimer: 336.000us - RowMaterializationRate: 4.62 K/sec - RowMaterializationTimer: 216.483us Execution Profile 3b48af24c3c8816b:9a398d0900000000: Backend startup latencies: Count: 1, sum: 1ms, min / max: 1ms / 1ms, 25th %-ile: 1ms, 50th %-ile: 1ms, 75th %-ile: 1ms, 90th %-ile: 1ms, 95th %-ile: 1ms, 99.9th %-ile: 1ms Slowest backend to start up: impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000 Per Node Peak Memory Usage: impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000(12.00 KB) Per Node Bytes Read: impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000(0) Per Node User Time: impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000(128.000us) Per Node System Time: impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000(0.000ns) - ExchangeScanRatio: 0.00 - FiltersReceived: 0 (0) - FinalizationTimer: 0.000ns - InnerNodeSelectivityRatio: 0.00 - NumBackends: 1 (1) - NumCompletedBackends: 1 (1) - NumFragmentInstances: 1 (1) - NumFragments: 1 (1) - TotalBytesRead: 0 - TotalBytesSent: 0 - TotalCpuTime: 128.000us - TotalInnerBytesSent: 0 - TotalScanBytesSent: 0 Per Node Profiles: impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000: - AdmissionSlots: 1 (1) - BloomFilterBytes: 0 - InListFilterItems: 0 (0) - ScratchBytesRead: 0 - ScratchBytesReadUseLocalDisk: 0 - ScratchBytesReadUseMem: 0 - ScratchBytesWritten: 0 - ScratchFileUsedBytes: 0 - ScratchReads: 0 (0) - ScratchReadsUseLocalDisk: 0 (0) - ScratchReadsUseMem: 0 (0) - ScratchWrites: 0 (0) - TotalEncryptionTime: 0.000ns - TotalReadBlockTime: 0.000ns - UncompressedScratchBytesWritten: 0 Buffer pool: - AllocTime: 0.000ns - CompressionTime: 0.000ns - CumulativeAllocationBytes: 0 - CumulativeAllocations: 0 (0) - EncryptionTime: 0.000ns - PeakReservation: 0 - PeakUnpinnedBytes: 0 - PeakUsedReservation: 0 - ReadIoBytes: 0 - ReadIoOps: 0 (0) - ReadIoWaitTime: 0.000ns - ReservationLimit: 0 - SystemAllocTime: 0.000ns - WriteIoBytes: 0 - WriteIoOps: 0 (0) - WriteIoWaitTime: 0.000ns JVM: - GcCount: 0 (0) - GcNumInfoThresholdExceeded: 0 (0) - GcNumWarnThresholdExceeded: 0 (0) - GcTimeMillis: 0 - GcTotalExtraSleepTimeMillis: 0 Fragment F00: Averaged Fragment F00:(Total: 33.991ms, non-child: 80.412us, % non-child: 0.24%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:34.599ms max:34.599ms mean: 34.599ms stddev:0.000ns execution rates: min:0.00 /sec max:0.00 /sec mean:0.00 /sec stddev:0.00 /sec num instances: 1 - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 34.599ms - ExchangeScanRatio: 0.00 - ExecutionRate: 0.00 /sec - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 12.00 KB (12288) - PeakReservation: 0 - PeakUsedReservation: 0 - PerHostPeakMemUsage: 12.00 KB (12288) - RowsProduced: 1 (1) - TotalNetworkReceiveTime: 0.000ns - TotalNetworkSendTime: 0.000ns - TotalStorageWaitTime: 0.000ns - TotalThreadsInvoluntaryContextSwitches: 0 (0) - TotalThreadsTotalWallClockTime: 33.919ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 128.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 33.991ms Fragment Instance Lifecycle Timings: - ExecTime: 33.919ms - ExecTreeExecTime: 7.917us - OpenTime: 7.105us - ExecTreeOpenTime: 2.055us - PrepareTime: 43.412us - ExecTreePrepareTime: 8.472us PLAN_ROOT_SINK:(Total: 33.893ms, non-child: 17.419us, % non-child: 0.05%) - CreateResultSetTime: 7.107us - InactiveTotalTime: 33.876ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 29.00 /sec - TotalTime: 33.893ms UNION_NODE (id=0):(Total: 17.189us, non-child: 17.189us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 58.18 K/sec - TotalTime: 17.189us Coordinator Fragment F00: Instance 3b48af24c3c8816b:9a398d0900000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 16:44:42.494 Fragment Instance Lifecycle Event Timeline: 34.096ms - Prepare Finished: 163.314us (163.314us) - Open Finished: 171.332us (8.018us) - First Batch Produced: 179.952us (8.620us) - First Batch Sent: 34.075ms (33.895ms) - ExecInternal Finished: 34.096ms (21.142us) - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 34.599ms - ExchangeScanRatio: 0.00 - ExecutionRate: 0.00 /sec - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 12.00 KB (12288) - PeakReservation: 0 - PeakUsedReservation: 0 - PerHostPeakMemUsage: 12.00 KB (12288) - RowsProduced: 1 (1) - TotalNetworkReceiveTime: 0.000ns - TotalNetworkSendTime: 0.000ns - TotalStorageWaitTime: 0.000ns - TotalThreadsInvoluntaryContextSwitches: 0 (0) - TotalThreadsTotalWallClockTime: 33.919ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 128.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 33.991ms Fragment Instance Lifecycle Timings: - ExecTime: 33.919ms - ExecTreeExecTime: 7.917us - OpenTime: 7.105us - ExecTreeOpenTime: 2.055us - PrepareTime: 43.412us - ExecTreePrepareTime: 8.472us PLAN_ROOT_SINK: - CreateResultSetTime: 7.107us - InactiveTotalTime: 33.876ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 29.00 /sec - TotalTime: 33.893ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 34.082ms - Open Started: 166.179us (166.179us) - Open Finished: 167.322us (1.143us) - First Batch Requested: 172.268us (4.946us) - First Batch Returned: 178.209us (5.941us) - Last Batch Returned: 178.512us (303.000ns) - Closed: 34.082ms (33.903ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 58.18 K/sec - TotalTime: 17.189us