Query 3b48af24c3c8816b:9a398d0900000000
Query (id=3b48af24c3c8816b:9a398d0900000000):
Summary:
Session ID: 3548640526009d8e:54f00f18add8f6be
Session Type: HIVESERVER2
HiveServer2 Protocol Version: V6
Start Time: 2025-12-26 16:44:42.447395000
End Time: 2025-12-26 16:44:42.502511000
Duration: 55.116ms (55116 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: 172.19.143.25:56004
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 17.419us 17.419us 0 0
00:UNION 1 1 17.189us 17.189us 1 1 0 0
Errors:
Query Compilation: 925.888us
- Metadata of all 0 tables cached: 288.806us (288.806us)
- Analysis finished: 452.276us (163.470us)
- Authorization finished (noop): 517.563us (65.287us)
- Value transfer graph computed: 565.036us (47.473us)
- Single node plan created: 594.404us (29.368us)
- Distributed plan created: 613.956us (19.552us)
- Lineage info computed: 642.071us (28.115us)
- Planning finished: 925.888us (283.817us)
Query Timeline: 62.663ms
- Query submitted: 49.773us (49.773us)
- Planning finished: 1.510ms (1.460ms)
- Submit for admission: 1.698ms (187.389us)
- Completed admission: 11.675ms (9.977ms)
- Ready to start on 1 backends: 11.765ms (90.382us)
- All 1 execution backends (1 fragment instances) started: 12.573ms (808.406us)
- Rows available: 13.432ms (858.370us)
- First row fetched: 46.380ms (32.947ms)
- Last row fetched: 55.035ms (8.655ms)
- Released admission control resources: 55.114ms (78.265us)
- Unregister query: 62.663ms (7.549ms)
- AdmissionControlTimeSinceLastUpdate: 68.000ms
- 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: 20.772ms ; Min: 8.645ms ; Max: 32.899ms ; Number of samples: 2)
- GetInFlightProfileTimeStats: 0.000ns (Number of samples: 0)
- ClientFetchLockWaitTimer: 224.000ns
- ClientFetchWaitTimer: 41.545ms
- NumRowsFetched: 1 (1)
- NumRowsFetchedFromCache: 0 (0)
- RPCCount: 6 (6)
- RPCReadTimer: 10.000us
- RPCWriteTimer: 336.000us
- RowMaterializationRate: 4.62 K/sec
- RowMaterializationTimer: 216.483us
Execution Profile 3b48af24c3c8816b:9a398d0900000000:
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(128.000us)
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: 128.000us
- TotalInnerBytesSent: 0
- TotalScanBytesSent: 0
Per Node Profiles:
impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000:
- 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: 33.991ms, non-child: 80.412us, % non-child: 0.24%)
split sizes: min: 0, max: 0, avg: 0, stddev: 0
completion times: min:34.599ms max:34.599ms mean: 34.599ms 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: 34.599ms
- 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: 33.919ms
- TotalThreadsSysTime: 0.000ns
- TotalThreadsUserTime: 128.000us
- TotalThreadsVoluntaryContextSwitches: 1 (1)
- TotalTime: 33.991ms
Fragment Instance Lifecycle Timings:
- ExecTime: 33.919ms
- ExecTreeExecTime: 7.917us
- OpenTime: 7.105us
- ExecTreeOpenTime: 2.055us
- PrepareTime: 43.412us
- ExecTreePrepareTime: 8.472us
PLAN_ROOT_SINK:(Total: 33.893ms, non-child: 17.419us, % non-child: 0.05%)
- CreateResultSetTime: 7.107us
- InactiveTotalTime: 33.876ms
- PeakMemoryUsage: 0
- RowsSent: 1 (1)
- RowsSentRate: 29.00 /sec
- TotalTime: 33.893ms
UNION_NODE (id=0):(Total: 17.189us, non-child: 17.189us, % non-child: 100.00%)
- InactiveTotalTime: 0.000ns
- PeakMemoryUsage: 0
- RowsReturned: 1 (1)
- RowsReturnedRate: 58.18 K/sec
- TotalTime: 17.189us
Coordinator Fragment F00:
Instance 3b48af24c3c8816b:9a398d0900000000 (host=impala-0.impala-sv.impala-flight-sql.svc.cluster.local:27000):
Last report received time: 2025-12-26 16:44:42.494
Fragment Instance Lifecycle Event Timeline: 34.096ms
- Prepare Finished: 163.314us (163.314us)
- Open Finished: 171.332us (8.018us)
- First Batch Produced: 179.952us (8.620us)
- First Batch Sent: 34.075ms (33.895ms)
- ExecInternal Finished: 34.096ms (21.142us)
- AverageThreadTokens: 0.00
- BytesAssigned: 0
- CompletionTime: 34.599ms
- 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: 33.919ms
- TotalThreadsSysTime: 0.000ns
- TotalThreadsUserTime: 128.000us
- TotalThreadsVoluntaryContextSwitches: 1 (1)
- TotalTime: 33.991ms
Fragment Instance Lifecycle Timings:
- ExecTime: 33.919ms
- ExecTreeExecTime: 7.917us
- OpenTime: 7.105us
- ExecTreeOpenTime: 2.055us
- PrepareTime: 43.412us
- ExecTreePrepareTime: 8.472us
PLAN_ROOT_SINK:
- CreateResultSetTime: 7.107us
- InactiveTotalTime: 33.876ms
- PeakMemoryUsage: 0
- RowsSent: 1 (1)
- RowsSentRate: 29.00 /sec
- TotalTime: 33.893ms
UNION_NODE (id=0):
Node Lifecycle Event Timeline: 34.082ms
- Open Started: 166.179us (166.179us)
- Open Finished: 167.322us (1.143us)
- First Batch Requested: 172.268us (4.946us)
- First Batch Returned: 178.209us (5.941us)
- Last Batch Returned: 178.512us (303.000ns)
- Closed: 34.082ms (33.903ms)
- InactiveTotalTime: 0.000ns
- PeakMemoryUsage: 0
- RowsReturned: 1 (1)
- RowsReturnedRate: 58.18 K/sec
- TotalTime: 17.189us