Query (id=2c426d6e7d439703:8113fe8600000000): Summary: Session ID: 264a0e1a2ff41556:53bafe6a738ffa9d Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 20:24:42.451168000 End Time: 2025-12-26 20:24:42.502035000 Duration: 50.867ms (50867 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: 172.19.143.25:43358 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 18.050us 18.050us 0 0 00:UNION 1 1 18.678us 18.678us 1 1 0 0 Errors: Query Compilation: 921.113us - Metadata of all 0 tables cached: 311.617us (311.617us) - Analysis finished: 466.346us (154.729us) - Authorization finished (noop): 529.791us (63.445us) - Value transfer graph computed: 574.507us (44.716us) - Single node plan created: 601.206us (26.699us) - Distributed plan created: 619.181us (17.975us) - Lineage info computed: 649.122us (29.941us) - Planning finished: 921.113us (271.991us) Query Timeline: 57.964ms - Query submitted: 50.301us (50.301us) - Planning finished: 1.495ms (1.444ms) - Submit for admission: 1.689ms (194.147us) - Completed admission: 11.689ms (9.999ms) - Ready to start on 1 backends: 11.780ms (91.027us) - All 1 execution backends (1 fragment instances) started: 12.461ms (681.174us) - Rows available: 13.473ms (1.012ms) - First row fetched: 43.530ms (30.056ms) - Last row fetched: 50.800ms (7.269ms) - Released admission control resources: 50.864ms (64.040us) - Unregister query: 57.964ms (7.099ms) - AdmissionControlTimeSinceLastUpdate: 94.000ms - 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: 18.633ms ; Min: 7.257ms ; Max: 30.009ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 467.000ns - ClientFetchWaitTimer: 37.267ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 10.000us - RPCWriteTimer: 292.000us - RowMaterializationRate: 5.01 K/sec - RowMaterializationTimer: 199.596us Execution Profile 2c426d6e7d439703:8113fe8600000000: 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(145.000us) 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: 145.000us - 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: 31.059ms, non-child: 90.454us, % non-child: 0.29%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:31.669ms max:31.669ms mean: 31.669ms 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: 31.669ms - 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: 30.980ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 145.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 31.059ms Fragment Instance Lifecycle Timings: - ExecTime: 30.979ms - ExecTreeExecTime: 7.467us - OpenTime: 8.243us - ExecTreeOpenTime: 2.250us - PrepareTime: 45.911us - ExecTreePrepareTime: 10.450us PLAN_ROOT_SINK:(Total: 30.950ms, non-child: 18.050us, % non-child: 0.06%) - CreateResultSetTime: 6.592us - InactiveTotalTime: 30.932ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 32.00 /sec - TotalTime: 30.950ms UNION_NODE (id=0):(Total: 18.678us, non-child: 18.678us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 53.54 K/sec - TotalTime: 18.678us Coordinator Fragment F00: Instance 2c426d6e7d439703:8113fe8600000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 20:24:42.495 Fragment Instance Lifecycle Event Timeline: 31.180ms - Prepare Finished: 185.253us (185.253us) - Open Finished: 194.843us (9.590us) - First Batch Produced: 202.828us (7.985us) - First Batch Sent: 31.155ms (30.952ms) - ExecInternal Finished: 31.180ms (24.800us) - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 31.669ms - 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: 30.980ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 145.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 31.059ms Fragment Instance Lifecycle Timings: - ExecTime: 30.979ms - ExecTreeExecTime: 7.467us - OpenTime: 8.243us - ExecTreeOpenTime: 2.250us - PrepareTime: 45.911us - ExecTreePrepareTime: 10.450us PLAN_ROOT_SINK: - CreateResultSetTime: 6.592us - InactiveTotalTime: 30.932ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 32.00 /sec - TotalTime: 30.950ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 31.164ms - Open Started: 189.204us (189.204us) - Open Finished: 190.240us (1.036us) - First Batch Requested: 195.692us (5.452us) - First Batch Returned: 201.451us (5.759us) - Last Batch Returned: 201.631us (180.000ns) - Closed: 31.164ms (30.963ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 53.54 K/sec - TotalTime: 18.678us