Query (id=93407a6508a7f74a:45ba7a8000000000): Summary: Session ID: be4807497df12c79:69246c2e2b6e4d8b Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 19:14:42.371698000 End Time: 2025-12-26 19:14:42.429725000 Duration: 58.027ms (58027 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: 172.19.143.25:58508 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 57.599us 57.599us 0 0 00:UNION 1 1 18.194us 18.194us 1 1 0 0 Errors: Query Compilation: 931.395us - Metadata of all 0 tables cached: 297.510us (297.510us) - Analysis finished: 462.958us (165.448us) - Authorization finished (noop): 530.732us (67.774us) - Value transfer graph computed: 578.885us (48.153us) - Single node plan created: 614.869us (35.984us) - Distributed plan created: 633.443us (18.574us) - Lineage info computed: 662.606us (29.163us) - Planning finished: 931.395us (268.789us) Query Timeline: 65.416ms - Query submitted: 66.510us (66.510us) - Planning finished: 1.511ms (1.445ms) - Submit for admission: 1.727ms (216.052us) - Completed admission: 11.163ms (9.435ms) - Ready to start on 1 backends: 11.251ms (88.531us) - All 1 execution backends (1 fragment instances) started: 12.206ms (955.015us) - Rows available: 13.050ms (843.456us) - First row fetched: 49.578ms (36.528ms) - Last row fetched: 57.959ms (8.380ms) - Released admission control resources: 58.024ms (64.741us) - Unregister query: 65.416ms (7.392ms) - AdmissionControlTimeSinceLastUpdate: 57.000ms - 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: 22.409ms ; Min: 8.371ms ; Max: 36.447ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 327.000ns - ClientFetchWaitTimer: 44.818ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 12.000us - RPCWriteTimer: 436.000us - RowMaterializationRate: 3.88 K/sec - RowMaterializationTimer: 257.445us Execution Profile 93407a6508a7f74a:45ba7a8000000000: 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(0.000ns) Per Node System Time: impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000(165.000us) - 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: 165.000us - 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: 37.371ms, non-child: 84.637us, % non-child: 0.23%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:37.932ms max:37.932ms mean: 37.932ms 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: 37.932ms - 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: 37.297ms - TotalThreadsSysTime: 165.000us - TotalThreadsUserTime: 0.000ns - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 37.371ms Fragment Instance Lifecycle Timings: - ExecTime: 37.296ms - ExecTreeExecTime: 7.487us - OpenTime: 7.783us - ExecTreeOpenTime: 1.811us - PrepareTime: 45.171us - ExecTreePrepareTime: 10.279us PLAN_ROOT_SINK:(Total: 37.268ms, non-child: 57.599us, % non-child: 0.15%) - CreateResultSetTime: 7.279us - InactiveTotalTime: 37.210ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 26.00 /sec - TotalTime: 37.268ms UNION_NODE (id=0):(Total: 18.194us, non-child: 18.194us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 54.96 K/sec - TotalTime: 18.194us Coordinator Fragment F00: Instance 93407a6508a7f74a:45ba7a8000000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 19:14:42.421 Fragment Instance Lifecycle Event Timeline: 37.504ms - Prepare Finished: 189.449us (189.449us) - Open Finished: 198.836us (9.387us) - First Batch Produced: 207.147us (8.311us) - First Batch Sent: 37.478ms (37.271ms) - ExecInternal Finished: 37.504ms (26.345us) - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 37.932ms - 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: 37.297ms - TotalThreadsSysTime: 165.000us - TotalThreadsUserTime: 0.000ns - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 37.371ms Fragment Instance Lifecycle Timings: - ExecTime: 37.296ms - ExecTreeExecTime: 7.487us - OpenTime: 7.783us - ExecTreeOpenTime: 1.811us - PrepareTime: 45.171us - ExecTreePrepareTime: 10.279us PLAN_ROOT_SINK: - CreateResultSetTime: 7.279us - InactiveTotalTime: 37.210ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 26.00 /sec - TotalTime: 37.268ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 37.486ms - Open Started: 192.992us (192.992us) - Open Finished: 194.001us (1.008us) - First Batch Requested: 199.995us (5.994us) - First Batch Returned: 205.872us (5.877us) - Last Batch Returned: 206.045us (173.000ns) - Closed: 37.486ms (37.280ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 54.96 K/sec - TotalTime: 18.194us