Query b94822d3d5bc63df:4b7524ec00000000
Query (id=b94822d3d5bc63df:4b7524ec00000000):
Summary:
Session ID: 7244ccee8c5336cf:358835ef536195a7
Session Type: HIVESERVER2
HiveServer2 Protocol Version: V6
Start Time: 2025-12-26 15:44:42.434084000
End Time: 2025-12-26 15:44:42.477051000
Duration: 42.967ms (42967 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: 172.19.143.25:56984
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 19.805us 19.805us 0 0
00:UNION 1 1 19.181us 19.181us 1 1 0 0
Errors:
Query Compilation: 1.029ms
- Metadata of all 0 tables cached: 294.088us (294.088us)
- Analysis finished: 499.721us (205.633us)
- Authorization finished (noop): 586.228us (86.507us)
- Value transfer graph computed: 650.864us (64.635us)
- Single node plan created: 681.848us (30.984us)
- Distributed plan created: 702.661us (20.813us)
- Lineage info computed: 735.339us (32.677us)
- Planning finished: 1.029ms (293.869us)
Query Timeline: 50.239ms
- Query submitted: 57.746us (57.746us)
- Planning finished: 1.617ms (1.559ms)
- Submit for admission: 1.809ms (192.630us)
- Completed admission: 11.751ms (9.941ms)
- Ready to start on 1 backends: 11.845ms (93.996us)
- All 1 execution backends (1 fragment instances) started: 12.788ms (942.931us)
- Rows available: 13.731ms (943.766us)
- First row fetched: 35.420ms (21.688ms)
- Last row fetched: 42.902ms (7.481ms)
- Released admission control resources: 42.964ms (61.631us)
- Unregister query: 50.239ms (7.275ms)
- AdmissionControlTimeSinceLastUpdate: 88.000ms
- 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: 14.550ms ; Min: 7.471ms ; Max: 21.629ms ; Number of samples: 2)
- GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0)
- ClientFetchLockWaitTimer: 308.000ns
- ClientFetchWaitTimer: 29.100ms
- NumRowsFetched: 1 (1)
- NumRowsFetchedFromCache: 0 (0)
- RPCCount: 5 (5)
- RPCReadTimer: 8.000us
- RPCWriteTimer: 332.000us
- RowMaterializationRate: 4.76 K/sec
- RowMaterializationTimer: 210.170us
Execution Profile b94822d3d5bc63df:4b7524ec00000000:
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(135.000us)
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: 135.000us
- 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): 0
- HostCpuUserPercentage (50.000ms): 1
- HostDiskReadThroughput (50.000ms): 0.00 /sec
- HostDiskWriteThroughput (50.000ms): 128.00 KB/sec
- HostNetworkRx (50.000ms): 50.59 KB/sec
- HostNetworkTx (50.000ms): 78.11 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: 22.628ms, non-child: 81.723us, % non-child: 0.36%)
split sizes: min: 0, max: 0, avg: 0, stddev: 0
completion times: min:23.216ms max:23.216ms mean: 23.216ms 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: 23.216ms
- 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: 22.553ms
- TotalThreadsSysTime: 0.000ns
- TotalThreadsUserTime: 135.000us
- TotalThreadsVoluntaryContextSwitches: 1 (1)
- TotalTime: 22.628ms
Fragment Instance Lifecycle Timings:
- ExecTime: 22.552ms
- ExecTreeExecTime: 7.580us
- OpenTime: 6.943us
- ExecTreeOpenTime: 1.617us
- PrepareTime: 47.180us
- ExecTreePrepareTime: 11.015us
PLAN_ROOT_SINK:(Total: 22.527ms, non-child: 19.805us, % non-child: 0.09%)
- CreateResultSetTime: 6.706us
- InactiveTotalTime: 22.507ms
- PeakMemoryUsage: 0
- RowsSent: 1 (1)
- RowsSentRate: 44.00 /sec
- TotalTime: 22.527ms
UNION_NODE (id=0):(Total: 19.181us, non-child: 19.181us, % non-child: 100.00%)
- InactiveTotalTime: 0.000ns
- PeakMemoryUsage: 0
- RowsReturned: 1 (1)
- RowsReturnedRate: 52.13 K/sec
- TotalTime: 19.181us
Coordinator Fragment F00:
Instance b94822d3d5bc63df:4b7524ec00000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000):
Last report received time: 2025-12-26 15:44:42.470
Fragment Instance Lifecycle Event Timeline: 22.733ms
- Prepare Finished: 165.546us (165.546us)
- Open Finished: 173.881us (8.335us)
- First Batch Produced: 182.636us (8.755us)
- First Batch Sent: 22.711ms (22.528ms)
- ExecInternal Finished: 22.733ms (21.724us)
- MemoryUsage (50.000ms): 12.00 KB
- AverageThreadTokens: 0.00
- BytesAssigned: 0
- CompletionTime: 23.216ms
- 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: 22.553ms
- TotalThreadsSysTime: 0.000ns
- TotalThreadsUserTime: 135.000us
- TotalThreadsVoluntaryContextSwitches: 1 (1)
- TotalTime: 22.628ms
Fragment Instance Lifecycle Timings:
- ExecTime: 22.552ms
- ExecTreeExecTime: 7.580us
- OpenTime: 6.943us
- ExecTreeOpenTime: 1.617us
- PrepareTime: 47.180us
- ExecTreePrepareTime: 11.015us
PLAN_ROOT_SINK:
- CreateResultSetTime: 6.706us
- InactiveTotalTime: 22.507ms
- PeakMemoryUsage: 0
- RowsSent: 1 (1)
- RowsSentRate: 44.00 /sec
- TotalTime: 22.527ms
UNION_NODE (id=0):
Node Lifecycle Event Timeline: 22.718ms
- Open Started: 168.276us (168.276us)
- Open Finished: 169.250us (974.000ns)
- First Batch Requested: 175.610us (6.360us)
- First Batch Returned: 181.278us (5.668us)
- Last Batch Returned: 181.390us (112.000ns)
- Closed: 22.718ms (22.537ms)
- InactiveTotalTime: 0.000ns
- PeakMemoryUsage: 0
- RowsReturned: 1 (1)
- RowsReturnedRate: 52.13 K/sec
- TotalTime: 19.181us