Query (id=2f4daf456ab0dead:0de7583900000000): Summary: Session ID: 5b4f1243ecadb60f:e4c2531c07f3aeb8 Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 20:56:53.928328000 End Time: 2025-12-26 20:56:53.987706000 Duration: 59.378ms (59378 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: 172.19.143.25:46996 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 19.388us 19.388us 0 0 00:UNION 1 1 19.750us 19.750us 1 1 0 0 Errors: Query Compilation: 1.293ms - Metadata of all 0 tables cached: 414.368us (414.368us) - Analysis finished: 616.333us (201.965us) - Authorization finished (noop): 750.056us (133.723us) - Value transfer graph computed: 822.603us (72.547us) - Single node plan created: 868.979us (46.376us) - Distributed plan created: 893.606us (24.627us) - Lineage info computed: 931.196us (37.590us) - Planning finished: 1.293ms (362.408us) Query Timeline: 66.802ms - Query submitted: 120.990us (120.990us) - Planning finished: 2.058ms (1.937ms) - Submit for admission: 2.346ms (288.509us) - Completed admission: 12.058ms (9.711ms) - Ready to start on 1 backends: 12.165ms (107.682us) - All 1 execution backends (1 fragment instances) started: 12.897ms (732.005us) - Rows available: 13.801ms (903.467us) - First row fetched: 51.121ms (37.319ms) - Last row fetched: 59.298ms (8.177ms) - Released admission control resources: 59.375ms (77.305us) - Unregister query: 66.802ms (7.426ms) - AdmissionControlTimeSinceLastUpdate: 99.000ms - 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: 22.718ms ; Min: 8.168ms ; Max: 37.268ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 264.000ns - ClientFetchWaitTimer: 45.436ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 12.000us - RPCWriteTimer: 380.000us - RowMaterializationRate: 4.53 K/sec - RowMaterializationTimer: 220.945us Execution Profile 2f4daf456ab0dead:0de7583900000000: 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(110.000us) 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: 110.000us - 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: 38.153ms, non-child: 105.618us, % non-child: 0.28%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:38.757ms max:38.757ms mean: 38.757ms 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: 38.757ms - 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: 38.055ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 110.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 38.153ms Fragment Instance Lifecycle Timings: - ExecTime: 38.056ms - ExecTreeExecTime: 8.068us - OpenTime: 6.936us - ExecTreeOpenTime: 1.608us - PrepareTime: 49.228us - ExecTreePrepareTime: 11.456us PLAN_ROOT_SINK:(Total: 38.028ms, non-child: 19.388us, % non-child: 0.05%) - CreateResultSetTime: 7.768us - InactiveTotalTime: 38.009ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 26.00 /sec - TotalTime: 38.028ms UNION_NODE (id=0):(Total: 19.750us, non-child: 19.750us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 50.63 K/sec - TotalTime: 19.750us Coordinator Fragment F00: Instance 2f4daf456ab0dead:0de7583900000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 20:56:53.979 Fragment Instance Lifecycle Event Timeline: 38.310ms - Prepare Finished: 238.872us (238.872us) - Open Finished: 247.259us (8.387us) - First Batch Produced: 255.826us (8.567us) - First Batch Sent: 38.286ms (38.030ms) - ExecInternal Finished: 38.310ms (24.130us) - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 38.757ms - 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: 38.055ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 110.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 38.153ms Fragment Instance Lifecycle Timings: - ExecTime: 38.056ms - ExecTreeExecTime: 8.068us - OpenTime: 6.936us - ExecTreeOpenTime: 1.608us - PrepareTime: 49.228us - ExecTreePrepareTime: 11.456us PLAN_ROOT_SINK: - CreateResultSetTime: 7.768us - InactiveTotalTime: 38.009ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 26.00 /sec - TotalTime: 38.028ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 38.294ms - Open Started: 241.536us (241.536us) - Open Finished: 242.418us (882.000ns) - First Batch Requested: 248.075us (5.657us) - First Batch Returned: 254.243us (6.168us) - Last Batch Returned: 254.413us (170.000ns) - Closed: 38.294ms (38.039ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 50.63 K/sec - TotalTime: 19.750us