Query (id=9f48e7de0475e661:02c2283000000000): Summary: Session ID: 944ef4806633706b:cf1e03ce833f2b9c Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 19:32:52.821020000 End Time: 2025-12-26 19:32:52.881259000 Duration: 60.239ms (60239 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: 172.19.143.25:38340 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 19.101us 19.101us 0 0 00:UNION 1 1 20.555us 20.555us 1 1 0 0 Errors: Query Compilation: 1.140ms - Metadata of all 0 tables cached: 314.585us (314.585us) - Analysis finished: 503.932us (189.347us) - Authorization finished (noop): 623.769us (119.837us) - Value transfer graph computed: 691.824us (68.055us) - Single node plan created: 730.220us (38.396us) - Distributed plan created: 749.277us (19.057us) - Lineage info computed: 781.752us (32.475us) - Planning finished: 1.140ms (358.291us) Query Timeline: 67.612ms - Query submitted: 84.251us (84.251us) - Planning finished: 1.828ms (1.744ms) - Submit for admission: 2.059ms (231.469us) - Completed admission: 13.224ms (11.164ms) - Ready to start on 1 backends: 13.313ms (89.388us) - All 1 execution backends (1 fragment instances) started: 14.056ms (742.522us) - Rows available: 14.940ms (884.670us) - First row fetched: 50.770ms (35.829ms) - Last row fetched: 60.152ms (9.382ms) - Released admission control resources: 60.235ms (82.931us) - Unregister query: 67.612ms (7.377ms) - AdmissionControlTimeSinceLastUpdate: 43.000ms - 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: 22.575ms ; Min: 9.372ms ; Max: 35.779ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 220.000ns - ClientFetchWaitTimer: 45.151ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 10.000us - RPCWriteTimer: 348.000us - RowMaterializationRate: 4.39 K/sec - RowMaterializationTimer: 227.850us Execution Profile 9f48e7de0475e661:02c2283000000000: 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(163.000us) 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: 163.000us - 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): 0 - HostDiskReadThroughput (50.000ms): 0.00 /sec - HostDiskWriteThroughput (50.000ms): 128.00 KB/sec - HostNetworkRx (50.000ms): 7.83 KB/sec - HostNetworkTx (50.000ms): 6.91 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: 36.673ms, non-child: 94.604us, % non-child: 0.26%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:37.272ms max:37.272ms mean: 37.272ms 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: 37.272ms - 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: 36.585ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 163.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 36.673ms Fragment Instance Lifecycle Timings: - ExecTime: 36.585ms - ExecTreeExecTime: 8.113us - OpenTime: 7.241us - ExecTreeOpenTime: 1.931us - PrepareTime: 53.918us - ExecTreePrepareTime: 11.653us PLAN_ROOT_SINK:(Total: 36.558ms, non-child: 19.101us, % non-child: 0.05%) - CreateResultSetTime: 6.691us - InactiveTotalTime: 36.539ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 27.00 /sec - TotalTime: 36.558ms UNION_NODE (id=0):(Total: 20.555us, non-child: 20.555us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 48.65 K/sec - TotalTime: 20.555us Coordinator Fragment F00: Instance 9f48e7de0475e661:02c2283000000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 19:32:52.872 Fragment Instance Lifecycle Event Timeline: 36.807ms - Prepare Finished: 207.056us (207.056us) - Open Finished: 215.985us (8.929us) - First Batch Produced: 224.723us (8.738us) - First Batch Sent: 36.785ms (36.560ms) - ExecInternal Finished: 36.807ms (22.653us) - MemoryUsage (50.000ms): 12.00 KB - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 37.272ms - 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: 36.585ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 163.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 36.673ms Fragment Instance Lifecycle Timings: - ExecTime: 36.585ms - ExecTreeExecTime: 8.113us - OpenTime: 7.241us - ExecTreeOpenTime: 1.931us - PrepareTime: 53.918us - ExecTreePrepareTime: 11.653us PLAN_ROOT_SINK: - CreateResultSetTime: 6.691us - InactiveTotalTime: 36.539ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 27.00 /sec - TotalTime: 36.558ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 36.792ms - Open Started: 209.528us (209.528us) - Open Finished: 210.776us (1.248us) - First Batch Requested: 216.961us (6.185us) - First Batch Returned: 223.257us (6.296us) - Last Batch Returned: 223.407us (150.000ns) - Closed: 36.792ms (36.569ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 48.65 K/sec - TotalTime: 20.555us