Query (id=5849f594a91a121a:65a1c10400000000): Summary: Session ID: 294ebac7353bf728:6ad0f67528649090 Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 17:44:42.369075000 End Time: 2025-12-26 17:44:42.433923000 Duration: 64.848ms (64848 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: 172.19.143.25:35026 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 18.197us 18.197us 0 0 00:UNION 1 1 19.401us 19.401us 1 1 0 0 Errors: Query Compilation: 1.039ms - Metadata of all 0 tables cached: 395.898us (395.898us) - Analysis finished: 555.138us (159.240us) - Authorization finished (noop): 628.518us (73.380us) - Value transfer graph computed: 673.745us (45.227us) - Single node plan created: 710.437us (36.692us) - Distributed plan created: 728.490us (18.053us) - Lineage info computed: 757.594us (29.104us) - Planning finished: 1.039ms (281.867us) Query Timeline: 72.763ms - Query submitted: 71.048us (71.048us) - Planning finished: 1.667ms (1.596ms) - Submit for admission: 1.868ms (200.611us) - Completed admission: 11.213ms (9.345ms) - Ready to start on 1 backends: 11.300ms (87.268us) - All 1 execution backends (1 fragment instances) started: 12.106ms (805.782us) - Rows available: 12.948ms (841.676us) - First row fetched: 54.255ms (41.306ms) - Last row fetched: 64.785ms (10.530ms) - Released admission control resources: 64.845ms (60.512us) - Unregister query: 72.763ms (7.918ms) - AdmissionControlTimeSinceLastUpdate: 58.000ms - 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: 25.887ms ; Min: 10.518ms ; Max: 41.257ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 247.000ns - ClientFetchWaitTimer: 51.775ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 12.000us - RPCWriteTimer: 419.000us - RowMaterializationRate: 4.63 K/sec - RowMaterializationTimer: 216.086us Execution Profile 5849f594a91a121a:65a1c10400000000: 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(90.000us) 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: 90.000us - 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): 0 - HostDiskReadThroughput (50.000ms): 0.00 /sec - HostDiskWriteThroughput (50.000ms): 0.00 /sec - HostNetworkRx (50.000ms): 4.53 KB/sec - HostNetworkTx (50.000ms): 1.70 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: 42.113ms, non-child: 100.306us, % non-child: 0.24%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:42.704ms max:42.704ms mean: 42.704ms 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: 42.704ms - 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: 42.020ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 90.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 42.113ms Fragment Instance Lifecycle Timings: - ExecTime: 42.020ms - ExecTreeExecTime: 7.681us - OpenTime: 6.138us - ExecTreeOpenTime: 1.708us - PrepareTime: 50.706us - ExecTreePrepareTime: 11.160us PLAN_ROOT_SINK:(Total: 41.993ms, non-child: 18.197us, % non-child: 0.04%) - CreateResultSetTime: 7.036us - InactiveTotalTime: 41.975ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 23.00 /sec - TotalTime: 41.993ms UNION_NODE (id=0):(Total: 19.401us, non-child: 19.401us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 51.54 K/sec - TotalTime: 19.401us Coordinator Fragment F00: Instance 5849f594a91a121a:65a1c10400000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 17:44:42.423 Fragment Instance Lifecycle Event Timeline: 42.248ms - Prepare Finished: 213.524us (213.524us) - Open Finished: 221.125us (7.601us) - First Batch Produced: 229.378us (8.253us) - First Batch Sent: 42.224ms (41.995ms) - ExecInternal Finished: 42.248ms (23.776us) - MemoryUsage (50.000ms): 12.00 KB - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 42.704ms - 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: 42.020ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 90.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 42.113ms Fragment Instance Lifecycle Timings: - ExecTime: 42.020ms - ExecTreeExecTime: 7.681us - OpenTime: 6.138us - ExecTreeOpenTime: 1.708us - PrepareTime: 50.706us - ExecTreePrepareTime: 11.160us PLAN_ROOT_SINK: - CreateResultSetTime: 7.036us - InactiveTotalTime: 41.975ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 23.00 /sec - TotalTime: 41.993ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 42.234ms - Open Started: 215.901us (215.901us) - Open Finished: 216.964us (1.063us) - First Batch Requested: 222.259us (5.295us) - First Batch Returned: 228.059us (5.800us) - Last Batch Returned: 228.222us (163.000ns) - Closed: 42.234ms (42.005ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 51.54 K/sec - TotalTime: 19.401us