Query (id=c74db687353d4c21:9c78f07300000000): Summary: Session ID: 4b456432f300d0ef:326b60b62d534182 Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 16:39:49.393001000 End Time: 2025-12-26 16:39:49.455784000 Duration: 62.783ms (62783 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: 172.19.143.25:50578 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 19.567us 19.567us 0 0 00:UNION 1 1 20.391us 20.391us 1 1 0 0 Errors: Query Compilation: 949.334us - Metadata of all 0 tables cached: 335.927us (335.927us) - Analysis finished: 483.595us (147.668us) - Authorization finished (noop): 545.776us (62.181us) - Value transfer graph computed: 589.059us (43.283us) - Single node plan created: 622.699us (33.640us) - Distributed plan created: 641.228us (18.529us) - Lineage info computed: 669.253us (28.025us) - Planning finished: 949.334us (280.081us) Query Timeline: 70.451ms - Query submitted: 62.546us (62.546us) - Planning finished: 1.548ms (1.486ms) - Submit for admission: 1.758ms (209.423us) - Completed admission: 10.374ms (8.616ms) - Ready to start on 1 backends: 10.456ms (81.689us) - All 1 execution backends (1 fragment instances) started: 11.132ms (675.872us) - Rows available: 12.144ms (1.012ms) - First row fetched: 54.518ms (42.374ms) - Last row fetched: 62.722ms (8.203ms) - Released admission control resources: 62.780ms (57.626us) - Unregister query: 70.451ms (7.671ms) - AdmissionControlTimeSinceLastUpdate: 11.000ms - 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: 25.258ms ; Min: 8.194ms ; Max: 42.321ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 308.000ns - ClientFetchWaitTimer: 50.516ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 8.000us - RPCWriteTimer: 280.000us - RowMaterializationRate: 4.92 K/sec - RowMaterializationTimer: 203.287us Execution Profile c74db687353d4c21:9c78f07300000000: 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(136.000us) 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: 136.000us - 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): 119.76 KB/sec - HostNetworkRx (50.000ms): 9.27 KB/sec - HostNetworkTx (50.000ms): 7.20 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: 43.340ms, non-child: 91.328us, % non-child: 0.21%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:43.918ms max:43.918ms mean: 43.918ms 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: 43.918ms - 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: 43.257ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 136.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 43.340ms Fragment Instance Lifecycle Timings: - ExecTime: 43.259ms - ExecTreeExecTime: 8.782us - OpenTime: 6.073us - ExecTreeOpenTime: 1.617us - PrepareTime: 55.064us - ExecTreePrepareTime: 10.969us PLAN_ROOT_SINK:(Total: 43.229ms, non-child: 19.567us, % non-child: 0.05%) - CreateResultSetTime: 7.248us - InactiveTotalTime: 43.209ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 23.00 /sec - TotalTime: 43.229ms UNION_NODE (id=0):(Total: 20.391us, non-child: 20.391us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 49.04 K/sec - TotalTime: 20.391us Coordinator Fragment F00: Instance c74db687353d4c21:9c78f07300000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 16:39:49.448 Fragment Instance Lifecycle Event Timeline: 43.458ms - Prepare Finished: 184.590us (184.590us) - Open Finished: 192.547us (7.957us) - First Batch Produced: 201.928us (9.381us) - First Batch Sent: 43.433ms (43.231ms) - ExecInternal Finished: 43.458ms (25.234us) - MemoryUsage (50.000ms): 12.00 KB - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 43.918ms - 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: 43.257ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 136.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 43.340ms Fragment Instance Lifecycle Timings: - ExecTime: 43.259ms - ExecTreeExecTime: 8.782us - OpenTime: 6.073us - ExecTreeOpenTime: 1.617us - PrepareTime: 55.064us - ExecTreePrepareTime: 10.969us PLAN_ROOT_SINK: - CreateResultSetTime: 7.248us - InactiveTotalTime: 43.209ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 23.00 /sec - TotalTime: 43.229ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 43.442ms - Open Started: 186.934us (186.934us) - Open Finished: 187.923us (989.000ns) - First Batch Requested: 193.606us (5.683us) - First Batch Returned: 200.535us (6.929us) - Last Batch Returned: 200.706us (171.000ns) - Closed: 43.442ms (43.241ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 49.04 K/sec - TotalTime: 20.391us