Query (id=9d4479448bf2c48f:d3e1c4b100000000): Summary: Session ID: db44f98120fb3e2e:42880cc8307c78a0 Session Type: HIVESERVER2 HiveServer2 Protocol Version: V6 Start Time: 2025-12-26 18:56:52.310934000 End Time: 2025-12-26 18:56:52.370179000 Duration: 59.245ms (59245 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: 172.19.143.25:49092 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 19.540us 19.540us 0 0 00:UNION 1 1 17.670us 17.670us 1 1 0 0 Errors: Query Compilation: 1.106ms - Metadata of all 0 tables cached: 308.012us (308.012us) - Analysis finished: 459.535us (151.523us) - Authorization finished (noop): 524.023us (64.488us) - Value transfer graph computed: 568.788us (44.765us) - Single node plan created: 603.939us (35.151us) - Distributed plan created: 622.277us (18.338us) - Lineage info computed: 650.392us (28.115us) - Planning finished: 1.106ms (456.497us) Query Timeline: 66.615ms - Query submitted: 68.657us (68.657us) - Planning finished: 1.696ms (1.627ms) - Submit for admission: 1.900ms (204.274us) - Completed admission: 11.385ms (9.485ms) - Ready to start on 1 backends: 11.471ms (85.934us) - All 1 execution backends (1 fragment instances) started: 12.344ms (873.225us) - Rows available: 13.192ms (847.318us) - First row fetched: 50.681ms (37.489ms) - Last row fetched: 59.186ms (8.505ms) - Released admission control resources: 59.243ms (56.489us) - Unregister query: 66.615ms (7.372ms) - AdmissionControlTimeSinceLastUpdate: 10.000ms - 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: 22.964ms ; Min: 8.493ms ; Max: 37.434ms ; Number of samples: 2) - GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0) - ClientFetchLockWaitTimer: 342.000ns - ClientFetchWaitTimer: 45.928ms - NumRowsFetched: 1 (1) - NumRowsFetchedFromCache: 0 (0) - RPCCount: 6 (6) - RPCReadTimer: 11.000us - RPCWriteTimer: 350.000us - RowMaterializationRate: 4.88 K/sec - RowMaterializationTimer: 204.824us Execution Profile 9d4479448bf2c48f:d3e1c4b100000000: 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(148.000us) 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: 148.000us - 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): 384.00 KB/sec - HostNetworkRx (50.000ms): 4.53 KB/sec - HostNetworkTx (50.000ms): 1.70 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: 38.443ms, non-child: 86.085us, % non-child: 0.22%) split sizes: min: 0, max: 0, avg: 0, stddev: 0 completion times: min:39.038ms max:39.038ms mean: 39.038ms 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: 39.038ms - 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: 38.366ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 148.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 38.443ms Fragment Instance Lifecycle Timings: - ExecTime: 38.365ms - ExecTreeExecTime: 7.726us - OpenTime: 7.144us - ExecTreeOpenTime: 1.610us - PrepareTime: 45.552us - ExecTreePrepareTime: 9.617us PLAN_ROOT_SINK:(Total: 38.339ms, non-child: 19.540us, % non-child: 0.05%) - CreateResultSetTime: 7.511us - InactiveTotalTime: 38.320ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 26.00 /sec - TotalTime: 38.339ms UNION_NODE (id=0):(Total: 17.670us, non-child: 17.670us, % non-child: 100.00%) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 56.59 K/sec - TotalTime: 17.670us Coordinator Fragment F00: Instance 9d4479448bf2c48f:d3e1c4b100000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000): Last report received time: 2025-12-26 18:56:52.362 Fragment Instance Lifecycle Event Timeline: 38.583ms - Prepare Finished: 203.490us (203.490us) - Open Finished: 211.492us (8.002us) - First Batch Produced: 219.812us (8.320us) - First Batch Sent: 38.561ms (38.341ms) - ExecInternal Finished: 38.583ms (22.485us) - MemoryUsage (50.000ms): 12.00 KB - AverageThreadTokens: 0.00 - BytesAssigned: 0 - CompletionTime: 39.038ms - 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: 38.366ms - TotalThreadsSysTime: 0.000ns - TotalThreadsUserTime: 148.000us - TotalThreadsVoluntaryContextSwitches: 1 (1) - TotalTime: 38.443ms Fragment Instance Lifecycle Timings: - ExecTime: 38.365ms - ExecTreeExecTime: 7.726us - OpenTime: 7.144us - ExecTreeOpenTime: 1.610us - PrepareTime: 45.552us - ExecTreePrepareTime: 9.617us PLAN_ROOT_SINK: - CreateResultSetTime: 7.511us - InactiveTotalTime: 38.320ms - PeakMemoryUsage: 0 - RowsSent: 1 (1) - RowsSentRate: 26.00 /sec - TotalTime: 38.339ms UNION_NODE (id=0): Node Lifecycle Event Timeline: 38.569ms - Open Started: 206.107us (206.107us) - Open Finished: 206.997us (890.000ns) - First Batch Requested: 212.459us (5.462us) - First Batch Returned: 218.293us (5.834us) - Last Batch Returned: 218.587us (294.000ns) - Closed: 38.569ms (38.351ms) - InactiveTotalTime: 0.000ns - PeakMemoryUsage: 0 - RowsReturned: 1 (1) - RowsReturnedRate: 56.59 K/sec - TotalTime: 17.670us