Query (id=57497a51b7020fb0:2b71f84000000000): Summary: Session ID: 034387c19eba773d:bac85e54e3f744b4 Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 19:04:42.461022000 End Time: 2025-12-26 19:04:42.512791000 Duration: 51.769ms (51769 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: 172.19.143.25:48710 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 18.989us 18.989us 0 0 00:UNION 1 1 21.576us 21.576us 1 1 0 0 Errors: Query Compilation: 980.600us - Metadata of all 0 tables cached: 350.255us (350.255us) - Analysis finished: 506.952us (156.697us) - Authorization finished (noop): 569.827us (62.875us) - Value transfer graph computed: 615.399us (45.572us) - Single node plan created: 644.401us (29.002us) - Distributed plan created: 662.567us (18.166us) - Lineage info computed: 689.412us (26.845us) - Planning finished: 980.600us (291.188us) Query Timeline: 59.170ms - Query submitted: 50.044us (50.044us) - Planning finished: 1.610ms (1.560ms) - Submit for admission: 2.017ms (406.924us) - Completed admission: 11.860ms (9.842ms) - Ready to start on 1 backends: 11.959ms (99.024us) - All 1 execution backends (1 fragment instances) started: 12.730ms (771.494us) - Rows available: 13.544ms (813.680us) - First row fetched: 44.473ms (30.929ms) - Last row fetched: 51.709ms (7.235ms) - Released admission control resources: 51.767ms (58.489us) - Unregister query: 59.170ms (7.403ms) - AdmissionControlTimeSinceLastUpdate: 10.000ms - 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: 19.052ms ; Min: 7.228ms ; Max: 30.876ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 310.000ns - ClientFetchWaitTimer: 38.105ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 9.000us - RPCWriteTimer: 292.000us - RowMaterializationRate: 5.22 K/sec - RowMaterializationTimer: 191.697us Execution Profile 57497a51b7020fb0:2b71f84000000000: 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(159.000us) 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: 159.000us - 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: 31.851ms, non-child: 93.149us, % non-child: 0.29%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:32.331ms max:32.331ms mean: 32.331ms 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: 32.331ms - 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: 31.766ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 159.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 31.851ms Fragment Instance Lifecycle Timings: - ExecTime: 31.765ms - ExecTreeExecTime: 9.491us - OpenTime: 7.850us - ExecTreeOpenTime: 1.879us - PrepareTime: 52.317us - ExecTreePrepareTime: 11.683us PLAN_ROOT_SINK:(Total: 31.737ms, non-child: 18.989us, % non-child: 0.06%) - CreateResultSetTime: 6.418us - InactiveTotalTime: 31.718ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 31.00 /sec - TotalTime: 31.737ms UNION_NODE (id=0):(Total: 21.576us, non-child: 21.576us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 46.35 K/sec - TotalTime: 21.576us Coordinator Fragment F00: Instance 57497a51b7020fb0:2b71f84000000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 19:04:42.506 Fragment Instance Lifecycle Event Timeline: 31.975ms - Prepare Finished: 192.452us (192.452us) - Open Finished: 202.681us (10.229us) - First Batch Produced: 213.195us (10.514us) - First Batch Sent: 31.951ms (31.738ms) - ExecInternal Finished: 31.975ms (23.750us) - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 32.331ms - 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: 31.766ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 159.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 31.851ms Fragment Instance Lifecycle Timings: - ExecTime: 31.765ms - ExecTreeExecTime: 9.491us - OpenTime: 7.850us - ExecTreeOpenTime: 1.879us - PrepareTime: 52.317us - ExecTreePrepareTime: 11.683us PLAN_ROOT_SINK: - CreateResultSetTime: 6.418us - InactiveTotalTime: 31.718ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 31.00 /sec - TotalTime: 31.737ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 31.959ms - Open Started: 195.620us (195.620us) - Open Finished: 196.723us (1.103us) - First Batch Requested: 204.271us (7.548us) - First Batch Returned: 211.760us (7.489us) - Last Batch Returned: 211.972us (212.000ns) - Closed: 31.959ms (31.747ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 46.35 K/sec - TotalTime: 21.576us