Query (id=a542499937d9c489:60ff863500000000): Summary: Session ID: d54a6d4ab5106562:0054ce93582c4c8d Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 14:16:47.685589000 End Time: 2025-12-26 14:16:47.745396000 Duration: 59.807ms (59807 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: 172.19.143.25:35456 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 18.975us 18.975us 0 0 00:UNION 1 1 20.025us 20.025us 1 1 0 0 Errors: Query Compilation: 1.311ms - Metadata of all 0 tables cached: 431.793us (431.793us) - Analysis finished: 591.106us (159.313us) - Authorization finished (noop): 671.896us (80.790us) - Value transfer graph computed: 755.567us (83.671us) - Single node plan created: 823.617us (68.050us) - Distributed plan created: 852.798us (29.181us) - Lineage info computed: 896.246us (43.448us) - Planning finished: 1.311ms (415.387us) Query Timeline: 67.379ms - Query submitted: 87.760us (87.760us) - Planning finished: 2.050ms (1.962ms) - Submit for admission: 2.240ms (190.546us) - Completed admission: 12.081ms (9.840ms) - Ready to start on 1 backends: 12.176ms (94.682us) - All 1 execution backends (1 fragment instances) started: 12.991ms (815.433us) - Rows available: 13.889ms (897.505us) - First row fetched: 51.226ms (37.337ms) - Last row fetched: 59.743ms (8.516ms) - Released admission control resources: 59.804ms (61.156us) - Unregister query: 67.379ms (7.574ms) - AdmissionControlTimeSinceLastUpdate: 35.000ms - 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: 22.896ms ; Min: 8.507ms ; Max: 37.286ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 330.000ns - ClientFetchWaitTimer: 45.793ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 10.000us - RPCWriteTimer: 423.000us - RowMaterializationRate: 4.80 K/sec - RowMaterializationTimer: 208.098us Execution Profile a542499937d9c489:60ff863500000000: 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(168.000us) 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: 168.000us - 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): 64.00 KB/sec - HostNetworkRx (50.000ms): 53.65 KB/sec - HostNetworkTx (50.000ms): 79.34 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: 38.238ms, non-child: 102.014us, % non-child: 0.27%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:38.852ms max:38.852ms mean: 38.852ms 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: 38.852ms - 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: 38.149ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 168.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 38.238ms Fragment Instance Lifecycle Timings: - ExecTime: 38.147ms - ExecTreeExecTime: 9.379us - OpenTime: 8.952us - ExecTreeOpenTime: 1.750us - PrepareTime: 52.284us - ExecTreePrepareTime: 10.770us PLAN_ROOT_SINK:(Total: 38.116ms, non-child: 18.975us, % non-child: 0.05%) - CreateResultSetTime: 7.250us - InactiveTotalTime: 38.097ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 26.00 /sec - TotalTime: 38.116ms UNION_NODE (id=0):(Total: 20.025us, non-child: 20.025us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 49.94 K/sec - TotalTime: 20.025us Coordinator Fragment F00: Instance a542499937d9c489:60ff863500000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 14:16:47.737 Fragment Instance Lifecycle Event Timeline: 38.380ms - Prepare Finished: 214.837us (214.837us) - Open Finished: 225.257us (10.420us) - First Batch Produced: 235.489us (10.232us) - First Batch Sent: 38.353ms (38.118ms) - ExecInternal Finished: 38.380ms (26.513us) - MemoryUsage (50.000ms): 12.00 KB - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 38.852ms - 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: 38.149ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 168.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 38.238ms Fragment Instance Lifecycle Timings: - ExecTime: 38.147ms - ExecTreeExecTime: 9.379us - OpenTime: 8.952us - ExecTreeOpenTime: 1.750us - PrepareTime: 52.284us - ExecTreePrepareTime: 10.770us PLAN_ROOT_SINK: - CreateResultSetTime: 7.250us - InactiveTotalTime: 38.097ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 26.00 /sec - TotalTime: 38.116ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 38.364ms - Open Started: 218.669us (218.669us) - Open Finished: 219.543us (874.000ns) - First Batch Requested: 226.936us (7.393us) - First Batch Returned: 233.966us (7.030us) - Last Batch Returned: 234.180us (214.000ns) - Closed: 38.364ms (38.130ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 49.94 K/sec - TotalTime: 20.025us