Query (id=43435cd55e754e3c:88b32a0400000000): Summary: Session ID: 284b65dcc9da3dc2:cb9a7c448bd0caa2 Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 19:09:52.500124000 End Time: 2025-12-26 19:09:52.560003000 Duration: 59.879ms (59879 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: 172.19.143.25:45472 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 30.508us 30.508us 0 0 00:UNION 1 1 56.996us 56.996us 1 1 0 0 Errors: Query Compilation: 1.189ms - Metadata of all 0 tables cached: 408.819us (408.819us) - Analysis finished: 596.800us (187.981us) - Authorization finished (noop): 693.841us (97.041us) - Value transfer graph computed: 757.119us (63.278us) - Single node plan created: 803.942us (46.823us) - Distributed plan created: 826.436us (22.494us) - Lineage info computed: 864.483us (38.047us) - Planning finished: 1.189ms (325.044us) Query Timeline: 67.511ms - Query submitted: 68.703us (68.703us) - Planning finished: 1.807ms (1.739ms) - Submit for admission: 2.013ms (205.308us) - Completed admission: 12.101ms (10.088ms) - Ready to start on 1 backends: 12.197ms (95.933us) - All 1 execution backends (1 fragment instances) started: 12.989ms (792.226us) - Rows available: 13.951ms (961.364us) - First row fetched: 50.912ms (36.960ms) - Last row fetched: 59.812ms (8.900ms) - Released admission control resources: 59.876ms (63.645us) - Unregister query: 67.511ms (7.634ms) - AdmissionControlTimeSinceLastUpdate: 60.000ms - 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: 22.891ms ; Min: 8.888ms ; Max: 36.894ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 242.000ns - ClientFetchWaitTimer: 45.783ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 11.000us - RPCWriteTimer: 411.000us - RowMaterializationRate: 4.35 K/sec - RowMaterializationTimer: 229.622us Execution Profile 43435cd55e754e3c:88b32a0400000000: 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(175.000us) 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: 175.000us - 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): 408.00 KB/sec - HostNetworkRx (50.000ms): 3.25 KB/sec - HostNetworkTx (50.000ms): 1.15 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: 37.895ms, non-child: 90.561us, % non-child: 0.24%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:38.476ms max:38.476ms mean: 38.476ms 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: 38.476ms - 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: 37.814ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 175.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 37.895ms Fragment Instance Lifecycle Timings: - ExecTime: 37.816ms - ExecTreeExecTime: 45.144us - OpenTime: 6.857us - ExecTreeOpenTime: 1.618us - PrepareTime: 50.031us - ExecTreePrepareTime: 11.442us PLAN_ROOT_SINK:(Total: 37.747ms, non-child: 30.508us, % non-child: 0.08%) - CreateResultSetTime: 18.271us - InactiveTotalTime: 37.716ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 26.00 /sec - TotalTime: 37.747ms UNION_NODE (id=0):(Total: 56.996us, non-child: 56.996us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 17.55 K/sec - TotalTime: 56.996us Coordinator Fragment F00: Instance 43435cd55e754e3c:88b32a0400000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 19:09:52.551 Fragment Instance Lifecycle Event Timeline: 38.028ms - Prepare Finished: 195.901us (195.901us) - Open Finished: 205.330us (9.429us) - First Batch Produced: 251.304us (45.974us) - First Batch Sent: 38.001ms (37.750ms) - ExecInternal Finished: 38.028ms (26.558us) - MemoryUsage (50.000ms): 12.00 KB - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 38.476ms - 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: 37.814ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 175.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 37.895ms Fragment Instance Lifecycle Timings: - ExecTime: 37.816ms - ExecTreeExecTime: 45.144us - OpenTime: 6.857us - ExecTreeOpenTime: 1.618us - PrepareTime: 50.031us - ExecTreePrepareTime: 11.442us PLAN_ROOT_SINK: - CreateResultSetTime: 18.271us - InactiveTotalTime: 37.716ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 26.00 /sec - TotalTime: 37.747ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 38.010ms - Open Started: 198.506us (198.506us) - Open Finished: 199.442us (936.000ns) - First Batch Requested: 206.294us (6.852us) - First Batch Returned: 249.825us (43.531us) - Last Batch Returned: 249.985us (160.000ns) - Closed: 38.010ms (37.760ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 17.55 K/sec - TotalTime: 56.996us