Query (id=8f4af2cd9184d8b1:d962118100000000): Summary: Session ID: 6449720d84d534aa:2b7ab3b3e90b7da9 Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 18:44:42.460657000 End Time: 2025-12-26 18:44:42.517140000 Duration: 56.483ms (56483 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: 172.19.143.25:59748 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 17.820us 17.820us 0 0 00:UNION 1 1 53.759us 53.759us 1 1 0 0 Errors: Query Compilation: 1.028ms - Metadata of all 0 tables cached: 287.679us (287.679us) - Analysis finished: 526.976us (239.297us) - Authorization finished (noop): 604.018us (77.042us) - Value transfer graph computed: 647.922us (43.904us) - Single node plan created: 678.710us (30.788us) - Distributed plan created: 695.548us (16.838us) - Lineage info computed: 738.938us (43.390us) - Planning finished: 1.028ms (289.570us) Query Timeline: 64.224ms - Query submitted: 57.156us (57.156us) - Planning finished: 1.606ms (1.548ms) - Submit for admission: 1.775ms (169.625us) - Completed admission: 11.759ms (9.983ms) - Ready to start on 1 backends: 11.845ms (85.958us) - All 1 execution backends (1 fragment instances) started: 12.482ms (637.369us) - Rows available: 13.439ms (956.664us) - First row fetched: 47.401ms (33.961ms) - Last row fetched: 56.409ms (9.008ms) - Released admission control resources: 56.479ms (70.340us) - Unregister query: 64.224ms (7.744ms) - AdmissionControlTimeSinceLastUpdate: 42.000ms - 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: 21.453ms ; Min: 8.997ms ; Max: 33.910ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 235.000ns - ClientFetchWaitTimer: 42.907ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 10.000us - RPCWriteTimer: 359.000us - RowMaterializationRate: 4.71 K/sec - RowMaterializationTimer: 212.236us Execution Profile 8f4af2cd9184d8b1:d962118100000000: 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(79.000us) 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: 79.000us - 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): 1 - HostDiskReadThroughput (50.000ms): 0.00 /sec - HostDiskWriteThroughput (50.000ms): 0.00 /sec - HostNetworkRx (50.000ms): 49.53 KB/sec - HostNetworkTx (50.000ms): 73.67 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: 34.870ms, non-child: 88.271us, % non-child: 0.25%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:35.505ms max:35.505ms mean: 35.505ms 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: 35.505ms - 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: 34.755ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 79.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 34.870ms Fragment Instance Lifecycle Timings: - ExecTime: 34.757ms - ExecTreeExecTime: 7.611us - OpenTime: 6.387us - ExecTreeOpenTime: 2.003us - PrepareTime: 84.406us - ExecTreePrepareTime: 45.435us PLAN_ROOT_SINK:(Total: 34.728ms, non-child: 17.820us, % non-child: 0.05%) - CreateResultSetTime: 7.490us - InactiveTotalTime: 34.711ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 28.00 /sec - TotalTime: 34.728ms UNION_NODE (id=0):(Total: 53.759us, non-child: 53.759us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 18.60 K/sec - TotalTime: 53.759us Coordinator Fragment F00: Instance 8f4af2cd9184d8b1:d962118100000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 18:44:42.508 Fragment Instance Lifecycle Event Timeline: 34.984ms - Prepare Finished: 213.632us (213.632us) - Open Finished: 223.023us (9.391us) - First Batch Produced: 231.353us (8.330us) - First Batch Sent: 34.962ms (34.730ms) - ExecInternal Finished: 34.984ms (22.653us) - MemoryUsage (50.000ms): 12.00 KB - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 35.505ms - 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: 34.755ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 79.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 34.870ms Fragment Instance Lifecycle Timings: - ExecTime: 34.757ms - ExecTreeExecTime: 7.611us - OpenTime: 6.387us - ExecTreeOpenTime: 2.003us - PrepareTime: 84.406us - ExecTreePrepareTime: 45.435us PLAN_ROOT_SINK: - CreateResultSetTime: 7.490us - InactiveTotalTime: 34.711ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 28.00 /sec - TotalTime: 34.728ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 34.970ms - Open Started: 215.762us (215.762us) - Open Finished: 216.861us (1.099us) - First Batch Requested: 224.009us (7.148us) - First Batch Returned: 229.575us (5.566us) - Last Batch Returned: 229.980us (405.000ns) - Closed: 34.970ms (34.740ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 18.60 K/sec - TotalTime: 53.759us