Query (id=4942e1cb2f44024a:e76ab13100000000): Summary: Session ID: 9d4dc9b18e80d9fa:5fc0d4d9533f3a94 Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 15:49:48.758507000 End Time: 2025-12-26 15:49:48.809154000 Duration: 50.647ms (50647 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: 172.19.143.25:48986 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 20.515us 20.515us 0 0 00:UNION 1 1 19.956us 19.956us 1 1 0 0 Errors: Query Compilation: 957.656us - Metadata of all 0 tables cached: 300.868us (300.868us) - Analysis finished: 469.296us (168.428us) - Authorization finished (noop): 536.100us (66.804us) - Value transfer graph computed: 581.216us (45.116us) - Single node plan created: 615.775us (34.559us) - Distributed plan created: 636.299us (20.524us) - Lineage info computed: 665.473us (29.174us) - Planning finished: 957.656us (292.183us) Query Timeline: 69.964ms - Query submitted: 65.808us (65.808us) - Planning finished: 1.546ms (1.480ms) - Submit for admission: 1.727ms (180.927us) - Completed admission: 11.652ms (9.925ms) - Ready to start on 1 backends: 11.746ms (93.681us) - All 1 execution backends (1 fragment instances) started: 12.696ms (949.642us) - Rows available: 13.525ms (829.139us) - First row fetched: 49.926ms (36.401ms) - Last row fetched: 49.932ms (5.219us) - Released admission control resources: 50.644ms (712.202us) - Unregister query: 69.964ms (19.320ms) - AdmissionControlTimeSinceLastUpdate: 75.000ms - 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: 36.335ms ; Min: 36.335ms ; Max: 36.335ms ; Number of samples: 1) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 236.000ns - ClientFetchWaitTimer: 36.335ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 11.000us - RPCWriteTimer: 417.000us - RowMaterializationRate: 1.09 K/sec - RowMaterializationTimer: 918.937us Execution Profile 4942e1cb2f44024a:e76ab13100000000: 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(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: - HostCpuIoWaitPercentage (50.000ms): 0 - HostCpuSysPercentage (50.000ms): 1 - HostCpuUserPercentage (50.000ms): 1 - HostDiskReadThroughput (50.000ms): 0.00 /sec - HostDiskWriteThroughput (50.000ms): 40.00 KB/sec - HostNetworkRx (50.000ms): 7.36 KB/sec - HostNetworkTx (50.000ms): 6.65 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: 37.355ms, non-child: 92.448us, % non-child: 0.25%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:37.939ms max:37.939ms mean: 37.939ms 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: 37.939ms - 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: 37.270ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 145.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 37.355ms Fragment Instance Lifecycle Timings: - ExecTime: 37.270ms - ExecTreeExecTime: 8.320us - OpenTime: 7.006us - ExecTreeOpenTime: 1.863us - PrepareTime: 52.562us - ExecTreePrepareTime: 10.967us PLAN_ROOT_SINK:(Total: 37.243ms, non-child: 20.515us, % non-child: 0.06%) - CreateResultSetTime: 7.402us - InactiveTotalTime: 37.222ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 26.00 /sec - TotalTime: 37.243ms UNION_NODE (id=0):(Total: 19.956us, non-child: 19.956us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 50.11 K/sec - TotalTime: 19.956us Coordinator Fragment F00: Instance 4942e1cb2f44024a:e76ab13100000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 15:49:48.808 Fragment Instance Lifecycle Event Timeline: 37.495ms - Prepare Finished: 209.799us (209.799us) - Open Finished: 217.706us (7.907us) - First Batch Produced: 227.106us (9.400us) - First Batch Sent: 37.471ms (37.244ms) - ExecInternal Finished: 37.495ms (24.236us) - MemoryUsage (50.000ms): 12.00 KB - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 37.939ms - 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: 37.270ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 145.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 37.355ms Fragment Instance Lifecycle Timings: - ExecTime: 37.270ms - ExecTreeExecTime: 8.320us - OpenTime: 7.006us - ExecTreeOpenTime: 1.863us - PrepareTime: 52.562us - ExecTreePrepareTime: 10.967us PLAN_ROOT_SINK: - CreateResultSetTime: 7.402us - InactiveTotalTime: 37.222ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 26.00 /sec - TotalTime: 37.243ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 37.479ms - Open Started: 212.574us (212.574us) - Open Finished: 213.692us (1.118us) - First Batch Requested: 219.338us (5.646us) - First Batch Returned: 225.478us (6.140us) - Last Batch Returned: 225.636us (158.000ns) - Closed: 37.479ms (37.254ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 50.11 K/sec - TotalTime: 19.956us