Query (id=94408c48e50d384b:2d1e585600000000): Summary: Session ID: 294ebac7353bf728:6ad0f67528649090 Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 17:44:42.460100000 End Time: 2025-12-26 17:44:42.516780000 Duration: 56.680ms (56680 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: 172.19.143.25:35026 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 18.790us 18.790us 0 0 00:UNION 1 1 18.449us 18.449us 1 1 0 0 Errors: Query Compilation: 1.106ms - Metadata of all 0 tables cached: 281.915us (281.915us) - Analysis finished: 433.151us (151.236us) - Authorization finished (noop): 504.079us (70.928us) - Value transfer graph computed: 566.573us (62.494us) - Single node plan created: 605.513us (38.940us) - Distributed plan created: 625.494us (19.981us) - Lineage info computed: 657.111us (31.617us) - Planning finished: 1.106ms (449.263us) Query Timeline: 64.350ms - Query submitted: 52.833us (52.833us) - Planning finished: 1.699ms (1.646ms) - Submit for admission: 1.888ms (189.451us) - Completed admission: 11.596ms (9.708ms) - Ready to start on 1 backends: 11.699ms (102.421us) - All 1 execution backends (1 fragment instances) started: 12.330ms (630.644us) - Rows available: 13.310ms (980.329us) - First row fetched: 48.768ms (35.457ms) - Last row fetched: 56.613ms (7.845ms) - Released admission control resources: 56.677ms (64.367us) - Unregister query: 64.350ms (7.672ms) - AdmissionControlTimeSinceLastUpdate: 48.000ms - 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: 21.617ms ; Min: 7.834ms ; Max: 35.399ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 318.000ns - ClientFetchWaitTimer: 43.234ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 10.000us - RPCWriteTimer: 380.000us - RowMaterializationRate: 4.74 K/sec - RowMaterializationTimer: 211.138us Execution Profile 94408c48e50d384b:2d1e585600000000: 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(144.000us) 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: 144.000us - TotalInnerBytesSent: 0 - TotalScanBytesSent: 0 Per Node Profiles: impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000: - 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: 36.425ms, non-child: 89.409us, % non-child: 0.25%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:37.074ms max:37.074ms mean: 37.074ms 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: 37.074ms - 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: 36.344ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 144.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 36.425ms Fragment Instance Lifecycle Timings: - ExecTime: 36.345ms - ExecTreeExecTime: 8.245us - OpenTime: 6.275us - ExecTreeOpenTime: 1.578us - PrepareTime: 47.467us - ExecTreePrepareTime: 9.987us PLAN_ROOT_SINK:(Total: 36.317ms, non-child: 18.790us, % non-child: 0.05%) - CreateResultSetTime: 7.254us - InactiveTotalTime: 36.298ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 27.00 /sec - TotalTime: 36.317ms UNION_NODE (id=0):(Total: 18.449us, non-child: 18.449us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 54.20 K/sec - TotalTime: 18.449us Coordinator Fragment F00: Instance 94408c48e50d384b:2d1e585600000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 17:44:42.509 Fragment Instance Lifecycle Event Timeline: 36.527ms - Prepare Finished: 166.707us (166.707us) - Open Finished: 174.644us (7.937us) - First Batch Produced: 183.607us (8.963us) - First Batch Sent: 36.503ms (36.319ms) - ExecInternal Finished: 36.527ms (24.578us) - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 37.074ms - 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: 36.344ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 144.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 36.425ms Fragment Instance Lifecycle Timings: - ExecTime: 36.345ms - ExecTreeExecTime: 8.245us - OpenTime: 6.275us - ExecTreeOpenTime: 1.578us - PrepareTime: 47.467us - ExecTreePrepareTime: 9.987us PLAN_ROOT_SINK: - CreateResultSetTime: 7.254us - InactiveTotalTime: 36.298ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 27.00 /sec - TotalTime: 36.317ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 36.510ms - Open Started: 168.943us (168.943us) - Open Finished: 169.789us (846.000ns) - First Batch Requested: 175.735us (5.946us) - First Batch Returned: 181.609us (5.874us) - Last Batch Returned: 181.745us (136.000ns) - Closed: 36.510ms (36.329ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 54.20 K/sec - TotalTime: 18.449us