Query (id=70489174748f087a:6774f1f000000000): Summary: Session ID: d6496209936fcb98:bcdf46c5a8c41f96 Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 20:39:53.709185000 End Time: 2025-12-26 20:39:53.769649000 Duration: 60.464ms (60464 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: 172.19.143.25:40702 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 19.440us 19.440us 0 0 00:UNION 1 1 21.648us 21.648us 1 1 0 0 Errors: Query Compilation: 1.183ms - Metadata of all 0 tables cached: 402.370us (402.370us) - Analysis finished: 589.607us (187.237us) - Authorization finished (noop): 681.262us (91.655us) - Value transfer graph computed: 744.647us (63.385us) - Single node plan created: 785.125us (40.478us) - Distributed plan created: 805.444us (20.319us) - Lineage info computed: 840.137us (34.693us) - Planning finished: 1.183ms (343.242us) Query Timeline: 68.166ms - Query submitted: 93.554us (93.554us) - Planning finished: 2.036ms (1.943ms) - Submit for admission: 2.228ms (191.885us) - Completed admission: 12.826ms (10.597ms) - Ready to start on 1 backends: 12.928ms (101.643us) - All 1 execution backends (1 fragment instances) started: 13.752ms (824.589us) - Rows available: 14.905ms (1.152ms) - First row fetched: 51.674ms (36.768ms) - Last row fetched: 60.395ms (8.721ms) - Released admission control resources: 60.461ms (66.334us) - Unregister query: 68.166ms (7.704ms) - AdmissionControlTimeSinceLastUpdate: 55.000ms - 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: 22.713ms ; Min: 8.709ms ; Max: 36.717ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 340.000ns - ClientFetchWaitTimer: 45.426ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 15.000us - RPCWriteTimer: 700.000us - RowMaterializationRate: 4.22 K/sec - RowMaterializationTimer: 236.951us Execution Profile 70489174748f087a:6774f1f000000000: 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(162.000us) 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: 162.000us - 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: 37.870ms, non-child: 95.669us, % non-child: 0.25%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:38.669ms max:38.669ms mean: 38.669ms 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: 38.669ms - 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: 37.783ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 162.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 37.870ms Fragment Instance Lifecycle Timings: - ExecTime: 37.784ms - ExecTreeExecTime: 8.850us - OpenTime: 7.192us - ExecTreeOpenTime: 1.679us - PrepareTime: 55.367us - ExecTreePrepareTime: 12.366us PLAN_ROOT_SINK:(Total: 37.753ms, non-child: 19.440us, % non-child: 0.05%) - CreateResultSetTime: 6.192us - InactiveTotalTime: 37.734ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 26.00 /sec - TotalTime: 37.753ms UNION_NODE (id=0):(Total: 21.648us, non-child: 21.648us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 46.19 K/sec - TotalTime: 21.648us Coordinator Fragment F00: Instance 70489174748f087a:6774f1f000000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 20:39:53.761 Fragment Instance Lifecycle Event Timeline: 38.025ms - Prepare Finished: 222.708us (222.708us) - Open Finished: 232.792us (10.084us) - First Batch Produced: 242.619us (9.827us) - First Batch Sent: 37.998ms (37.755ms) - ExecInternal Finished: 38.025ms (27.766us) - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 38.669ms - 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: 37.783ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 162.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 37.870ms Fragment Instance Lifecycle Timings: - ExecTime: 37.784ms - ExecTreeExecTime: 8.850us - OpenTime: 7.192us - ExecTreeOpenTime: 1.679us - PrepareTime: 55.367us - ExecTreePrepareTime: 12.366us PLAN_ROOT_SINK: - CreateResultSetTime: 6.192us - InactiveTotalTime: 37.734ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 26.00 /sec - TotalTime: 37.753ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 38.007ms - Open Started: 225.251us (225.251us) - Open Finished: 226.249us (998.000ns) - First Batch Requested: 234.091us (7.842us) - First Batch Returned: 241.137us (7.046us) - Last Batch Returned: 241.345us (208.000ns) - Closed: 38.007ms (37.765ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 46.19 K/sec - TotalTime: 21.648us