Query (id=6744d899c24c16c7:4764814d00000000): Summary: Session ID: 1a4ae52da789dc14:dbb51aa0b1c0d588 Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 18:54:42.454616000 End Time: 2025-12-26 18:54:42.505921000 Duration: 51.305ms (51305 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: 172.19.143.25:42144 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 16.085us 16.085us 0 0 00:UNION 1 1 24.040us 24.040us 1 1 0 0 Errors: Query Compilation: 990.012us - Metadata of all 0 tables cached: 281.611us (281.611us) - Analysis finished: 450.609us (168.998us) - Authorization finished (noop): 516.842us (66.233us) - Value transfer graph computed: 560.041us (43.199us) - Single node plan created: 591.963us (31.922us) - Distributed plan created: 609.008us (17.045us) - Lineage info computed: 636.711us (27.703us) - Planning finished: 990.012us (353.301us) Query Timeline: 58.481ms - Query submitted: 54.129us (54.129us) - Planning finished: 1.551ms (1.497ms) - Submit for admission: 1.727ms (175.564us) - Completed admission: 11.486ms (9.759ms) - Ready to start on 1 backends: 11.569ms (82.978us) - All 1 execution backends (1 fragment instances) started: 12.162ms (593.054us) - Rows available: 13.015ms (852.914us) - First row fetched: 44.006ms (30.990ms) - Last row fetched: 51.245ms (7.239ms) - Released admission control resources: 51.302ms (57.217us) - Unregister query: 58.481ms (7.178ms) - AdmissionControlTimeSinceLastUpdate: 82.000ms - 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: 19.085ms ; Min: 7.229ms ; Max: 30.941ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 325.000ns - ClientFetchWaitTimer: 38.170ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 9.000us - RPCWriteTimer: 322.000us - RowMaterializationRate: 5.01 K/sec - RowMaterializationTimer: 199.589us Execution Profile 6744d899c24c16c7:4764814d00000000: 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(196.000us) 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: 196.000us - 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): 0 - HostDiskReadThroughput (50.000ms): 0.00 /sec - HostDiskWriteThroughput (50.000ms): 0.00 /sec - HostNetworkRx (50.000ms): 42.43 KB/sec - HostNetworkTx (50.000ms): 59.67 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: 31.783ms, non-child: 99.053us, % non-child: 0.31%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:32.404ms max:32.404ms mean: 32.404ms 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: 32.404ms - 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: 31.691ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 196.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 31.783ms Fragment Instance Lifecycle Timings: - ExecTime: 31.690ms - ExecTreeExecTime: 9.808us - OpenTime: 9.278us - ExecTreeOpenTime: 2.951us - PrepareTime: 55.774us - ExecTreePrepareTime: 12.867us PLAN_ROOT_SINK:(Total: 31.660ms, non-child: 16.085us, % non-child: 0.05%) - CreateResultSetTime: 5.217us - InactiveTotalTime: 31.644ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 31.00 /sec - TotalTime: 31.660ms UNION_NODE (id=0):(Total: 24.040us, non-child: 24.040us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 41.60 K/sec - TotalTime: 24.040us Coordinator Fragment F00: Instance 6744d899c24c16c7:4764814d00000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 18:54:42.499 Fragment Instance Lifecycle Event Timeline: 31.932ms - Prepare Finished: 224.474us (224.474us) - Open Finished: 235.567us (11.093us) - First Batch Produced: 246.107us (10.540us) - First Batch Sent: 31.908ms (31.662ms) - ExecInternal Finished: 31.932ms (23.942us) - MemoryUsage (50.000ms): 12.00 KB - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 32.404ms - 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: 31.691ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 196.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 31.783ms Fragment Instance Lifecycle Timings: - ExecTime: 31.690ms - ExecTreeExecTime: 9.808us - OpenTime: 9.278us - ExecTreeOpenTime: 2.951us - PrepareTime: 55.774us - ExecTreePrepareTime: 12.867us PLAN_ROOT_SINK: - CreateResultSetTime: 5.217us - InactiveTotalTime: 31.644ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 31.00 /sec - TotalTime: 31.660ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 31.916ms - Open Started: 227.682us (227.682us) - Open Finished: 229.501us (1.819us) - First Batch Requested: 236.589us (7.088us) - First Batch Returned: 244.547us (7.958us) - Last Batch Returned: 244.791us (244.000ns) - Closed: 31.916ms (31.671ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 41.60 K/sec - TotalTime: 24.040us