Query (id=4844240848b581a4:d41b740600000000): Summary: Session ID: 3e4e7965a5f2d1be:a2f3da3934eec9b9 Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 18:24:42.439986000 End Time: 2025-12-26 18:24:42.492404000 Duration: 52.418ms (52418 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: 172.19.143.25:38962 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 20.759us 20.759us 0 0 00:UNION 1 1 20.925us 20.925us 1 1 0 0 Errors: Query Compilation: 916.806us - Metadata of all 0 tables cached: 292.091us (292.091us) - Analysis finished: 448.617us (156.526us) - Authorization finished (noop): 511.165us (62.548us) - Value transfer graph computed: 555.383us (44.218us) - Single node plan created: 584.975us (29.592us) - Distributed plan created: 602.260us (17.285us) - Lineage info computed: 629.086us (26.826us) - Planning finished: 916.806us (287.720us) Query Timeline: 60.088ms - Query submitted: 56.698us (56.698us) - Planning finished: 1.561ms (1.505ms) - Submit for admission: 1.747ms (186.052us) - Completed admission: 11.669ms (9.921ms) - Ready to start on 1 backends: 11.757ms (88.406us) - All 1 execution backends (1 fragment instances) started: 12.419ms (661.439us) - Rows available: 13.402ms (983.260us) - First row fetched: 44.617ms (31.214ms) - Last row fetched: 52.336ms (7.719ms) - Released admission control resources: 52.415ms (78.797us) - Unregister query: 60.088ms (7.673ms) - AdmissionControlTimeSinceLastUpdate: 34.000ms - 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: 19.433ms ; Min: 7.708ms ; Max: 31.158ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 339.000ns - ClientFetchWaitTimer: 38.866ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 11.000us - RPCWriteTimer: 406.000us - RowMaterializationRate: 4.45 K/sec - RowMaterializationTimer: 224.496us Execution Profile 4844240848b581a4:d41b740600000000: 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(148.000us) 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: 148.000us - 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): 62.28 KB/sec - HostNetworkTx (50.000ms): 84.35 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: 32.172ms, non-child: 91.622us, % non-child: 0.28%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:32.801ms max:32.801ms mean: 32.801ms 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: 32.801ms - 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: 32.088ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 148.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 32.172ms Fragment Instance Lifecycle Timings: - ExecTime: 32.089ms - ExecTreeExecTime: 8.439us - OpenTime: 6.873us - ExecTreeOpenTime: 1.539us - PrepareTime: 50.182us - ExecTreePrepareTime: 12.574us PLAN_ROOT_SINK:(Total: 32.060ms, non-child: 20.759us, % non-child: 0.06%) - CreateResultSetTime: 7.985us - InactiveTotalTime: 32.039ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 31.00 /sec - TotalTime: 32.060ms UNION_NODE (id=0):(Total: 20.925us, non-child: 20.925us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 47.79 K/sec - TotalTime: 20.925us Coordinator Fragment F00: Instance 4844240848b581a4:d41b740600000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 18:24:42.485 Fragment Instance Lifecycle Event Timeline: 32.281ms - Prepare Finished: 175.076us (175.076us) - Open Finished: 183.455us (8.379us) - First Batch Produced: 192.475us (9.020us) - First Batch Sent: 32.254ms (32.061ms) - ExecInternal Finished: 32.281ms (27.477us) - MemoryUsage (50.000ms): 8.00 KB - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 32.801ms - 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: 32.088ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 148.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 32.172ms Fragment Instance Lifecycle Timings: - ExecTime: 32.089ms - ExecTreeExecTime: 8.439us - OpenTime: 6.873us - ExecTreeOpenTime: 1.539us - PrepareTime: 50.182us - ExecTreePrepareTime: 12.574us PLAN_ROOT_SINK: - CreateResultSetTime: 7.985us - InactiveTotalTime: 32.039ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 31.00 /sec - TotalTime: 32.060ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 32.263ms - Open Started: 177.436us (177.436us) - Open Finished: 178.366us (930.000ns) - First Batch Requested: 184.719us (6.353us) - First Batch Returned: 190.935us (6.216us) - Last Batch Returned: 191.071us (136.000ns) - Closed: 32.263ms (32.072ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 47.79 K/sec - TotalTime: 20.925us