Query (id=6e47d4c23a20ef6a:6e810a7900000000): Summary: Session ID: 95444dd83fbf3cce:880b614bd40c5bbc Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 19:36:52.865299000 End Time: 2025-12-26 19:36:52.924778000 Duration: 59.479ms (59479 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: 172.19.143.25:53556 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 18.264us 18.264us 0 0 00:UNION 1 1 24.839us 24.839us 1 1 0 0 Errors: Query Compilation: 893.841us - Metadata of all 0 tables cached: 301.955us (301.955us) - Analysis finished: 452.680us (150.725us) - Authorization finished (noop): 513.594us (60.914us) - Value transfer graph computed: 557.106us (43.512us) - Single node plan created: 589.295us (32.189us) - Distributed plan created: 607.262us (17.967us) - Lineage info computed: 636.328us (29.066us) - Planning finished: 893.841us (257.512us) Query Timeline: 67.351ms - Query submitted: 66.588us (66.588us) - Planning finished: 1.469ms (1.402ms) - Submit for admission: 1.660ms (191.398us) - Completed admission: 11.073ms (9.412ms) - Ready to start on 1 backends: 11.162ms (88.916us) - All 1 execution backends (1 fragment instances) started: 11.902ms (740.429us) - Rows available: 12.923ms (1.020ms) - First row fetched: 50.580ms (37.657ms) - Last row fetched: 59.404ms (8.824ms) - Released admission control resources: 59.476ms (71.791us) - Unregister query: 67.351ms (7.874ms) - AdmissionControlTimeSinceLastUpdate: 84.000ms - 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: 23.209ms ; Min: 8.812ms ; Max: 37.607ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 320.000ns - ClientFetchWaitTimer: 46.419ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 10.000us - RPCWriteTimer: 345.000us - RowMaterializationRate: 4.59 K/sec - RowMaterializationTimer: 217.976us Execution Profile 6e47d4c23a20ef6a:6e810a7900000000: 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(127.000us) 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: 127.000us - 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): 4 - HostCpuUserPercentage (50.000ms): 11 - HostDiskReadThroughput (50.000ms): 0.00 /sec - HostDiskWriteThroughput (50.000ms): 135.73 KB/sec - HostNetworkRx (50.000ms): 50.92 KB/sec - HostNetworkTx (50.000ms): 77.41 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: 38.646ms, non-child: 116.916us, % non-child: 0.30%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:39.289ms max:39.289ms mean: 39.289ms 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: 39.289ms - 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: 38.537ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 127.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 38.646ms Fragment Instance Lifecycle Timings: - ExecTime: 38.536ms - ExecTreeExecTime: 10.056us - OpenTime: 8.544us - ExecTreeOpenTime: 1.850us - PrepareTime: 57.864us - ExecTreePrepareTime: 14.175us PLAN_ROOT_SINK:(Total: 38.505ms, non-child: 18.264us, % non-child: 0.05%) - CreateResultSetTime: 7.053us - InactiveTotalTime: 38.486ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 25.00 /sec - TotalTime: 38.505ms UNION_NODE (id=0):(Total: 24.839us, non-child: 24.839us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 40.26 K/sec - TotalTime: 24.839us Coordinator Fragment F00: Instance 6e47d4c23a20ef6a:6e810a7900000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 19:36:52.916 Fragment Instance Lifecycle Event Timeline: 38.788ms - Prepare Finished: 234.723us (234.723us) - Open Finished: 245.946us (11.223us) - First Batch Produced: 257.022us (11.076us) - First Batch Sent: 38.764ms (38.507ms) - ExecInternal Finished: 38.788ms (23.659us) - MemoryUsage (50.000ms): 12.00 KB - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 39.289ms - 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: 38.537ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 127.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 38.646ms Fragment Instance Lifecycle Timings: - ExecTime: 38.536ms - ExecTreeExecTime: 10.056us - OpenTime: 8.544us - ExecTreeOpenTime: 1.850us - PrepareTime: 57.864us - ExecTreePrepareTime: 14.175us PLAN_ROOT_SINK: - CreateResultSetTime: 7.053us - InactiveTotalTime: 38.486ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 25.00 /sec - TotalTime: 38.505ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 38.773ms - Open Started: 238.414us (238.414us) - Open Finished: 239.488us (1.074us) - First Batch Requested: 247.280us (7.792us) - First Batch Returned: 255.439us (8.159us) - Last Batch Returned: 255.611us (172.000ns) - Closed: 38.773ms (38.517ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 40.26 K/sec - TotalTime: 24.839us