Query (id=7a4ae9db70229c38:e2450b7000000000): Summary: Session ID: 3742f9daf7f03231:eb5e43ba0a7ca897 Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 17:56:50.342978000 End Time: 2025-12-26 17:56:50.405628000 Duration: 62.650ms (62650 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: 172.19.143.25:46982 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 17.780us 17.780us 0 0 00:UNION 1 1 18.917us 18.917us 1 1 0 0 Errors: Query Compilation: 981.393us - Metadata of all 0 tables cached: 324.595us (324.595us) - Analysis finished: 477.313us (152.718us) - Authorization finished (noop): 543.701us (66.388us) - Value transfer graph computed: 587.224us (43.523us) - Single node plan created: 635.548us (48.324us) - Distributed plan created: 653.361us (17.813us) - Lineage info computed: 686.082us (32.720us) - Planning finished: 981.393us (295.311us) Query Timeline: 70.426ms - Query submitted: 67.766us (67.766us) - Planning finished: 1.573ms (1.505ms) - Submit for admission: 1.772ms (199.242us) - Completed admission: 11.429ms (9.656ms) - Ready to start on 1 backends: 11.526ms (97.404us) - All 1 execution backends (1 fragment instances) started: 12.274ms (747.836us) - Rows available: 13.133ms (858.678us) - First row fetched: 52.894ms (39.760ms) - Last row fetched: 62.581ms (9.687ms) - Released admission control resources: 62.647ms (66.411us) - Unregister query: 70.426ms (7.778ms) - AdmissionControlTimeSinceLastUpdate: 79.000ms - 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: 24.693ms ; Min: 9.676ms ; Max: 39.709ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 227.000ns - ClientFetchWaitTimer: 49.386ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 11.000us - RPCWriteTimer: 387.000us - RowMaterializationRate: 4.60 K/sec - RowMaterializationTimer: 217.418us Execution Profile 7a4ae9db70229c38:e2450b7000000000: 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(154.000us) 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: 154.000us - 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): 2 - HostDiskReadThroughput (50.000ms): 0.00 /sec - HostDiskWriteThroughput (50.000ms): 72.00 KB/sec - HostNetworkRx (50.000ms): 4.06 KB/sec - HostNetworkTx (50.000ms): 1.44 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: 40.593ms, non-child: 105.338us, % non-child: 0.26%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:41.177ms max:41.177ms mean: 41.177ms 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: 41.177ms - 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: 40.507ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 154.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 40.593ms Fragment Instance Lifecycle Timings: - ExecTime: 40.508ms - ExecTreeExecTime: 7.309us - OpenTime: 8.087us - ExecTreeOpenTime: 1.938us - PrepareTime: 48.984us - ExecTreePrepareTime: 10.829us PLAN_ROOT_SINK:(Total: 40.469ms, non-child: 17.780us, % non-child: 0.04%) - CreateResultSetTime: 7.328us - InactiveTotalTime: 40.451ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 24.00 /sec - TotalTime: 40.469ms UNION_NODE (id=0):(Total: 18.917us, non-child: 18.917us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 52.86 K/sec - TotalTime: 18.917us Coordinator Fragment F00: Instance 7a4ae9db70229c38:e2450b7000000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 17:56:50.396 Fragment Instance Lifecycle Event Timeline: 40.742ms - Prepare Finished: 214.544us (214.544us) - Open Finished: 225.563us (11.019us) - First Batch Produced: 233.426us (7.863us) - First Batch Sent: 40.704ms (40.470ms) - ExecInternal Finished: 40.742ms (38.139us) - MemoryUsage (50.000ms): 12.00 KB - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 41.177ms - 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: 40.507ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 154.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 40.593ms Fragment Instance Lifecycle Timings: - ExecTime: 40.508ms - ExecTreeExecTime: 7.309us - OpenTime: 8.087us - ExecTreeOpenTime: 1.938us - PrepareTime: 48.984us - ExecTreePrepareTime: 10.829us PLAN_ROOT_SINK: - CreateResultSetTime: 7.328us - InactiveTotalTime: 40.451ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 24.00 /sec - TotalTime: 40.469ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 40.723ms - Open Started: 218.052us (218.052us) - Open Finished: 219.199us (1.147us) - First Batch Requested: 226.430us (7.231us) - First Batch Returned: 231.883us (5.453us) - Last Batch Returned: 232.235us (352.000ns) - Closed: 40.723ms (40.491ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 52.86 K/sec - TotalTime: 18.917us