Query (id=b94822d3d5bc63df:4b7524ec00000000): Summary: Session ID: 7244ccee8c5336cf:358835ef536195a7 Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 15:44:42.434084000 End Time: 2025-12-26 15:44:42.477051000 Duration: 42.967ms (42967 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: 172.19.143.25:56984 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 19.805us 19.805us 0 0 00:UNION 1 1 19.181us 19.181us 1 1 0 0 Errors: Query Compilation: 1.029ms - Metadata of all 0 tables cached: 294.088us (294.088us) - Analysis finished: 499.721us (205.633us) - Authorization finished (noop): 586.228us (86.507us) - Value transfer graph computed: 650.864us (64.635us) - Single node plan created: 681.848us (30.984us) - Distributed plan created: 702.661us (20.813us) - Lineage info computed: 735.339us (32.677us) - Planning finished: 1.029ms (293.869us) Query Timeline: 50.239ms - Query submitted: 57.746us (57.746us) - Planning finished: 1.617ms (1.559ms) - Submit for admission: 1.809ms (192.630us) - Completed admission: 11.751ms (9.941ms) - Ready to start on 1 backends: 11.845ms (93.996us) - All 1 execution backends (1 fragment instances) started: 12.788ms (942.931us) - Rows available: 13.731ms (943.766us) - First row fetched: 35.420ms (21.688ms) - Last row fetched: 42.902ms (7.481ms) - Released admission control resources: 42.964ms (61.631us) - Unregister query: 50.239ms (7.275ms) - AdmissionControlTimeSinceLastUpdate: 88.000ms - 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: 14.550ms ; Min: 7.471ms ; Max: 21.629ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 308.000ns - ClientFetchWaitTimer: 29.100ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 5 (5) - RPCReadTimer: 8.000us - RPCWriteTimer: 332.000us - RowMaterializationRate: 4.76 K/sec - RowMaterializationTimer: 210.170us Execution Profile b94822d3d5bc63df:4b7524ec00000000: 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(135.000us) 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: 135.000us - TotalInnerBytesSent: 0 - TotalScanBytesSent: 0 Per Node Profiles: impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000: - HostCpuIoWaitPercentage (50.000ms): 0 - HostCpuSysPercentage (50.000ms): 0 - HostCpuUserPercentage (50.000ms): 1 - HostDiskReadThroughput (50.000ms): 0.00 /sec - HostDiskWriteThroughput (50.000ms): 128.00 KB/sec - HostNetworkRx (50.000ms): 50.59 KB/sec - HostNetworkTx (50.000ms): 78.11 KB/sec - 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: 22.628ms, non-child: 81.723us, % non-child: 0.36%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:23.216ms max:23.216ms mean: 23.216ms 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: 23.216ms - 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: 22.553ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 135.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 22.628ms Fragment Instance Lifecycle Timings: - ExecTime: 22.552ms - ExecTreeExecTime: 7.580us - OpenTime: 6.943us - ExecTreeOpenTime: 1.617us - PrepareTime: 47.180us - ExecTreePrepareTime: 11.015us PLAN_ROOT_SINK:(Total: 22.527ms, non-child: 19.805us, % non-child: 0.09%) - CreateResultSetTime: 6.706us - InactiveTotalTime: 22.507ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 44.00 /sec - TotalTime: 22.527ms UNION_NODE (id=0):(Total: 19.181us, non-child: 19.181us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 52.13 K/sec - TotalTime: 19.181us Coordinator Fragment F00: Instance b94822d3d5bc63df:4b7524ec00000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 15:44:42.470 Fragment Instance Lifecycle Event Timeline: 22.733ms - Prepare Finished: 165.546us (165.546us) - Open Finished: 173.881us (8.335us) - First Batch Produced: 182.636us (8.755us) - First Batch Sent: 22.711ms (22.528ms) - ExecInternal Finished: 22.733ms (21.724us) - MemoryUsage (50.000ms): 12.00 KB - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 23.216ms - 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: 22.553ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 135.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 22.628ms Fragment Instance Lifecycle Timings: - ExecTime: 22.552ms - ExecTreeExecTime: 7.580us - OpenTime: 6.943us - ExecTreeOpenTime: 1.617us - PrepareTime: 47.180us - ExecTreePrepareTime: 11.015us PLAN_ROOT_SINK: - CreateResultSetTime: 6.706us - InactiveTotalTime: 22.507ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 44.00 /sec - TotalTime: 22.527ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 22.718ms - Open Started: 168.276us (168.276us) - Open Finished: 169.250us (974.000ns) - First Batch Requested: 175.610us (6.360us) - First Batch Returned: 181.278us (5.668us) - Last Batch Returned: 181.390us (112.000ns) - Closed: 22.718ms (22.537ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 52.13 K/sec - TotalTime: 19.181us