Query (id=4b4a8314387dceeb:42d132f700000000): Summary: Session ID: 104ceb80649adf55:72bb67a57a3aa3b3 Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 18:02:50.427054000 End Time: 2025-12-26 18:02:50.486190000 Duration: 59.136ms (59136 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: 172.19.143.25:34738 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 20.876us 20.876us 0 0 00:UNION 1 1 17.083us 17.083us 1 1 0 0 Errors: Query Compilation: 1.118ms - Metadata of all 0 tables cached: 444.622us (444.622us) - Analysis finished: 616.352us (171.730us) - Authorization finished (noop): 702.849us (86.497us) - Value transfer graph computed: 748.471us (45.622us) - Single node plan created: 785.411us (36.940us) - Distributed plan created: 804.416us (19.005us) - Lineage info computed: 834.005us (29.589us) - Planning finished: 1.118ms (284.745us) Query Timeline: 66.543ms - Query submitted: 67.018us (67.018us) - Planning finished: 1.711ms (1.644ms) - Submit for admission: 1.938ms (226.242us) - Completed admission: 11.408ms (9.470ms) - Ready to start on 1 backends: 11.496ms (87.767us) - All 1 execution backends (1 fragment instances) started: 12.357ms (861.396us) - Rows available: 13.208ms (850.935us) - First row fetched: 50.726ms (37.517ms) - Last row fetched: 59.078ms (8.352ms) - Released admission control resources: 59.134ms (56.331us) - Unregister query: 66.543ms (7.408ms) - AdmissionControlTimeSinceLastUpdate: 17.000ms - 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: 22.883ms ; Min: 8.341ms ; Max: 37.425ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 322.000ns - ClientFetchWaitTimer: 45.766ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 10.000us - RPCWriteTimer: 408.000us - RowMaterializationRate: 4.17 K/sec - RowMaterializationTimer: 239.950us Execution Profile 4b4a8314387dceeb:42d132f700000000: 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(155.000us) 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: 155.000us - 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): 71.86 KB/sec - HostNetworkRx (50.000ms): 50.28 KB/sec - HostNetworkTx (50.000ms): 77.47 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: 38.446ms, non-child: 111.597us, % non-child: 0.29%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:39.094ms max:39.094ms mean: 39.094ms 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: 39.094ms - 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: 38.359ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 155.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 38.446ms Fragment Instance Lifecycle Timings: - ExecTime: 38.360ms - ExecTreeExecTime: 7.008us - OpenTime: 7.592us - ExecTreeOpenTime: 1.736us - PrepareTime: 50.628us - ExecTreePrepareTime: 9.752us PLAN_ROOT_SINK:(Total: 38.317ms, non-child: 20.876us, % non-child: 0.05%) - CreateResultSetTime: 7.753us - InactiveTotalTime: 38.296ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 26.00 /sec - TotalTime: 38.317ms UNION_NODE (id=0):(Total: 17.083us, non-child: 17.083us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 58.54 K/sec - TotalTime: 17.083us Coordinator Fragment F00: Instance 4b4a8314387dceeb:42d132f700000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 18:02:50.478 Fragment Instance Lifecycle Event Timeline: 38.603ms - Prepare Finished: 226.573us (226.573us) - Open Finished: 235.218us (8.645us) - First Batch Produced: 242.921us (7.703us) - First Batch Sent: 38.562ms (38.319ms) - ExecInternal Finished: 38.603ms (41.033us) - MemoryUsage (50.000ms): 12.00 KB - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 39.094ms - 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: 38.359ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 155.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 38.446ms Fragment Instance Lifecycle Timings: - ExecTime: 38.360ms - ExecTreeExecTime: 7.008us - OpenTime: 7.592us - ExecTreeOpenTime: 1.736us - PrepareTime: 50.628us - ExecTreePrepareTime: 9.752us PLAN_ROOT_SINK: - CreateResultSetTime: 7.753us - InactiveTotalTime: 38.296ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 26.00 /sec - TotalTime: 38.317ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 38.570ms - Open Started: 229.580us (229.580us) - Open Finished: 230.482us (902.000ns) - First Batch Requested: 236.190us (5.708us) - First Batch Returned: 241.515us (5.325us) - Last Batch Returned: 241.703us (188.000ns) - Closed: 38.570ms (38.328ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 58.54 K/sec - TotalTime: 17.083us