Query (id=8a46270c8e9643d5:930b67ad00000000): Summary: Session ID: 53407a94c7c12c2b:8f0ac5ff3a525098 Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 18:22:51.882217000 End Time: 2025-12-26 18:22:51.942128000 Duration: 59.911ms (59911 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: 172.19.143.25:38638 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 20.143us 20.143us 0 0 00:UNION 1 1 21.884us 21.884us 1 1 0 0 Errors: Query Compilation: 1.014ms - Metadata of all 0 tables cached: 309.430us (309.430us) - Analysis finished: 486.393us (176.963us) - Authorization finished (noop): 554.755us (68.362us) - Value transfer graph computed: 601.398us (46.643us) - Single node plan created: 641.605us (40.207us) - Distributed plan created: 661.131us (19.526us) - Lineage info computed: 689.833us (28.702us) - Planning finished: 1.014ms (324.816us) Query Timeline: 67.423ms - Query submitted: 67.089us (67.089us) - Planning finished: 1.643ms (1.576ms) - Submit for admission: 1.866ms (222.127us) - Completed admission: 11.644ms (9.778ms) - Ready to start on 1 backends: 11.740ms (95.261us) - All 1 execution backends (1 fragment instances) started: 12.538ms (798.073us) - Rows available: 13.407ms (869.256us) - First row fetched: 51.002ms (37.594ms) - Last row fetched: 59.843ms (8.840ms) - Released admission control resources: 59.908ms (65.735us) - Unregister query: 67.423ms (7.514ms) - AdmissionControlTimeSinceLastUpdate: 68.000ms - 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: 23.184ms ; Min: 8.829ms ; Max: 37.539ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 228.000ns - ClientFetchWaitTimer: 46.368ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 11.000us - RPCWriteTimer: 440.000us - RowMaterializationRate: 4.58 K/sec - RowMaterializationTimer: 218.158us Execution Profile 8a46270c8e9643d5:930b67ad00000000: 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(163.000us) 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: 163.000us - 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: 38.483ms, non-child: 139.122us, % non-child: 0.36%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:39.084ms max:39.084ms mean: 39.084ms 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: 39.084ms - 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: 38.353ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 163.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 38.483ms Fragment Instance Lifecycle Timings: - ExecTime: 38.391ms - ExecTreeExecTime: 8.885us - OpenTime: 8.213us - ExecTreeOpenTime: 2.142us - PrepareTime: 54.988us - ExecTreePrepareTime: 12.259us PLAN_ROOT_SINK:(Total: 38.322ms, non-child: 20.143us, % non-child: 0.05%) - CreateResultSetTime: 7.861us - InactiveTotalTime: 38.302ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 26.00 /sec - TotalTime: 38.322ms UNION_NODE (id=0):(Total: 21.884us, non-child: 21.884us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 45.70 K/sec - TotalTime: 21.884us Coordinator Fragment F00: Instance 8a46270c8e9643d5:930b67ad00000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 18:22:51.933 Fragment Instance Lifecycle Event Timeline: 38.638ms - Prepare Finished: 229.683us (229.683us) - Open Finished: 240.168us (10.485us) - First Batch Produced: 249.654us (9.486us) - First Batch Sent: 38.574ms (38.324ms) - ExecInternal Finished: 38.638ms (64.063us) - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 39.084ms - 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: 38.353ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 163.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 38.483ms Fragment Instance Lifecycle Timings: - ExecTime: 38.391ms - ExecTreeExecTime: 8.885us - OpenTime: 8.213us - ExecTreeOpenTime: 2.142us - PrepareTime: 54.988us - ExecTreePrepareTime: 12.259us PLAN_ROOT_SINK: - CreateResultSetTime: 7.861us - InactiveTotalTime: 38.302ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 26.00 /sec - TotalTime: 38.322ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 38.584ms - Open Started: 233.815us (233.815us) - Open Finished: 235.071us (1.256us) - First Batch Requested: 241.441us (6.370us) - First Batch Returned: 248.345us (6.904us) - Last Batch Returned: 248.553us (208.000ns) - Closed: 38.584ms (38.335ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 45.70 K/sec - TotalTime: 21.884us