Query (id=a0400756508d1363:7087038500000000): Summary: Session ID: 324542b12ec62cb1:421ec80564539b8f Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 16:26:49.221016000 End Time: 2025-12-26 16:26:49.281389000 Duration: 60.373ms (60373 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: 172.19.143.25:48136 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 16.231us 16.231us 0 0 00:UNION 1 1 18.903us 18.903us 1 1 0 0 Errors: Query Compilation: 933.024us - Metadata of all 0 tables cached: 303.707us (303.707us) - Analysis finished: 458.573us (154.866us) - Authorization finished (noop): 523.325us (64.751us) - Value transfer graph computed: 566.127us (42.802us) - Single node plan created: 602.770us (36.643us) - Distributed plan created: 622.774us (20.004us) - Lineage info computed: 650.128us (27.354us) - Planning finished: 933.024us (282.896us) Query Timeline: 67.860ms - Query submitted: 79.703us (79.703us) - Planning finished: 1.585ms (1.506ms) - Submit for admission: 1.780ms (194.906us) - Completed admission: 10.957ms (9.176ms) - Ready to start on 1 backends: 11.035ms (78.121us) - All 1 execution backends (1 fragment instances) started: 11.764ms (729.634us) - Rows available: 12.663ms (898.887us) - First row fetched: 51.240ms (38.576ms) - Last row fetched: 60.288ms (9.048ms) - Released admission control resources: 60.370ms (81.290us) - Unregister query: 67.860ms (7.490ms) - AdmissionControlTimeSinceLastUpdate: 19.000ms - 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: 23.780ms ; Min: 9.038ms ; Max: 38.522ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 314.000ns - ClientFetchWaitTimer: 47.561ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 9.000us - RPCWriteTimer: 319.000us - RowMaterializationRate: 4.18 K/sec - RowMaterializationTimer: 238.993us Execution Profile a0400756508d1363:7087038500000000: 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(140.000us) 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: 140.000us - 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): 1 - HostCpuUserPercentage (50.000ms): 2 - HostDiskReadThroughput (50.000ms): 0.00 /sec - HostDiskWriteThroughput (50.000ms): 199.60 KB/sec - HostNetworkRx (50.000ms): 9.79 KB/sec - HostNetworkTx (50.000ms): 10.97 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: 39.464ms, non-child: 86.874us, % non-child: 0.22%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:39.982ms max:39.982ms mean: 39.982ms 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: 39.982ms - 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: 39.385ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 140.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 39.464ms Fragment Instance Lifecycle Timings: - ExecTime: 39.386ms - ExecTreeExecTime: 7.577us - OpenTime: 6.695us - ExecTreeOpenTime: 2.064us - PrepareTime: 46.475us - ExecTreePrepareTime: 10.413us PLAN_ROOT_SINK:(Total: 39.359ms, non-child: 16.231us, % non-child: 0.04%) - CreateResultSetTime: 6.295us - InactiveTotalTime: 39.342ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 25.00 /sec - TotalTime: 39.359ms UNION_NODE (id=0):(Total: 18.903us, non-child: 18.903us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 52.90 K/sec - TotalTime: 18.903us Coordinator Fragment F00: Instance a0400756508d1363:7087038500000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 16:26:49.272 Fragment Instance Lifecycle Event Timeline: 39.588ms - Prepare Finished: 185.755us (185.755us) - Open Finished: 194.557us (8.802us) - First Batch Produced: 202.597us (8.039us) - First Batch Sent: 39.564ms (39.361ms) - ExecInternal Finished: 39.588ms (24.060us) - MemoryUsage (50.000ms): 12.00 KB - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 39.982ms - 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: 39.385ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 140.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 39.464ms Fragment Instance Lifecycle Timings: - ExecTime: 39.386ms - ExecTreeExecTime: 7.577us - OpenTime: 6.695us - ExecTreeOpenTime: 2.064us - PrepareTime: 46.475us - ExecTreePrepareTime: 10.413us PLAN_ROOT_SINK: - CreateResultSetTime: 6.295us - InactiveTotalTime: 39.342ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 25.00 /sec - TotalTime: 39.359ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 39.572ms - Open Started: 188.473us (188.473us) - Open Finished: 189.863us (1.390us) - First Batch Requested: 195.745us (5.882us) - First Batch Returned: 201.265us (5.520us) - Last Batch Returned: 201.457us (192.000ns) - Closed: 39.572ms (39.370ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 52.90 K/sec - TotalTime: 18.903us