Query (id=574bed395e2a8b83:d3b0884e00000000): Summary: Session ID: d647cdc87f822466:e2c6fbad1d1f7289 Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 17:54:42.446627000 End Time: 2025-12-26 17:54:42.500036000 Duration: 53.409ms (53409 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: 172.19.143.25:44772 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 16.967us 16.967us 0 0 00:UNION 1 1 18.339us 18.339us 1 1 0 0 Errors: Query Compilation: 937.387us - Metadata of all 0 tables cached: 287.323us (287.323us) - Analysis finished: 461.462us (174.139us) - Authorization finished (noop): 527.900us (66.438us) - Value transfer graph computed: 572.317us (44.417us) - Single node plan created: 607.999us (35.682us) - Distributed plan created: 624.914us (16.915us) - Lineage info computed: 653.369us (28.455us) - Planning finished: 937.387us (284.018us) Query Timeline: 60.968ms - Query submitted: 53.020us (53.020us) - Planning finished: 1.541ms (1.488ms) - Submit for admission: 1.727ms (185.995us) - Completed admission: 11.654ms (9.927ms) - Ready to start on 1 backends: 11.746ms (91.601us) - All 1 execution backends (1 fragment instances) started: 12.581ms (835.554us) - Rows available: 13.524ms (943.404us) - First row fetched: 45.723ms (32.198ms) - Last row fetched: 53.341ms (7.618ms) - Released admission control resources: 53.406ms (64.843us) - Unregister query: 60.968ms (7.562ms) - AdmissionControlTimeSinceLastUpdate: 28.000ms - 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: 19.877ms ; Min: 7.607ms ; Max: 32.147ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 215.000ns - ClientFetchWaitTimer: 39.755ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 9.000us - RPCWriteTimer: 288.000us - RowMaterializationRate: 4.84 K/sec - RowMaterializationTimer: 206.452us Execution Profile 574bed395e2a8b83:d3b0884e00000000: Backend startup latencies: Count: 1, sum: 0, min / max: 0 / 0, 25th %-ile: 0, 50th %-ile: 0, 75th %-ile: 0, 90th %-ile: 0, 95th %-ile: 0, 99.9th %-ile: 0 Slowest backend to start up: 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(131.000us) 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: 131.000us - 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): 3 - HostCpuUserPercentage (50.000ms): 3 - HostDiskReadThroughput (50.000ms): 0.00 /sec - HostDiskWriteThroughput (50.000ms): 0.00 /sec - HostNetworkRx (50.000ms): 4.37 KB/sec - HostNetworkTx (50.000ms): 1.82 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: 33.315ms, non-child: 79.645us, % non-child: 0.24%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:33.770ms max:33.770ms mean: 33.770ms 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: 33.770ms - 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: 33.243ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 131.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 33.315ms Fragment Instance Lifecycle Timings: - ExecTime: 33.243ms - ExecTreeExecTime: 7.190us - OpenTime: 6.015us - ExecTreeOpenTime: 1.616us - PrepareTime: 44.770us - ExecTreePrepareTime: 10.608us PLAN_ROOT_SINK:(Total: 33.217ms, non-child: 16.967us, % non-child: 0.05%) - CreateResultSetTime: 6.661us - InactiveTotalTime: 33.200ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 30.00 /sec - TotalTime: 33.217ms UNION_NODE (id=0):(Total: 18.339us, non-child: 18.339us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 54.53 K/sec - TotalTime: 18.339us Coordinator Fragment F00: Instance 574bed395e2a8b83:d3b0884e00000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 17:54:42.492 Fragment Instance Lifecycle Event Timeline: 33.426ms - Prepare Finished: 168.379us (168.379us) - Open Finished: 175.906us (7.527us) - First Batch Produced: 183.848us (7.942us) - First Batch Sent: 33.403ms (33.219ms) - ExecInternal Finished: 33.426ms (23.013us) - MemoryUsage (50.000ms): 12.00 KB - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 33.770ms - 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: 33.243ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 131.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 33.315ms Fragment Instance Lifecycle Timings: - ExecTime: 33.243ms - ExecTreeExecTime: 7.190us - OpenTime: 6.015us - ExecTreeOpenTime: 1.616us - PrepareTime: 44.770us - ExecTreePrepareTime: 10.608us PLAN_ROOT_SINK: - CreateResultSetTime: 6.661us - InactiveTotalTime: 33.200ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 30.00 /sec - TotalTime: 33.217ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 33.412ms - Open Started: 171.007us (171.007us) - Open Finished: 171.886us (879.000ns) - First Batch Requested: 177.343us (5.457us) - First Batch Returned: 182.912us (5.569us) - Last Batch Returned: 183.100us (188.000ns) - Closed: 33.412ms (33.229ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 54.53 K/sec - TotalTime: 18.339us