Sahil Takiar created IMPALA-9954:
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Summary: RpcRecvrTime can be negative
Key: IMPALA-9954
URL: https://issues.apache.org/jira/browse/IMPALA-9954
Project: IMPALA
Issue Type: Bug
Components: Backend
Reporter: Sahil Takiar
Attachments: profile_034e7209bd98c96c_9a448dfc00000000.txt
Saw this on a recent version of master. Attached the full runtime profile.
{code:java}
KrpcDataStreamSender (dst_id=2):(Total: 9.863ms, non-child: 3.185ms, %
non-child: 32.30%)
ExecOption: Unpartitioned Sender Codegen Disabled: not needed
- BytesSent (500.000ms): 0, 0
- NetworkThroughput: (Avg: 4.34 MB/sec ; Min: 4.34 MB/sec ; Max:
4.34 MB/sec ; Number of samples: 1)
- RpcNetworkTime: (Avg: 3.562ms ; Min: 679.676us ; Max: 6.445ms ;
Number of samples: 2)
- RpcRecvrTime: (Avg: -151281.000ns ; Min: -231485.000ns ; Max:
-71077.000ns ; Number of samples: 2)
- EosSent: 1 (1)
- PeakMemoryUsage: 416.00 B (416)
- RowsSent: 100 (100)
- RpcFailure: 0 (0)
- RpcRetry: 0 (0)
- SerializeBatchTime: 2.880ms
- TotalBytesSent: 28.67 KB (29355)
- UncompressedRowBatchSize: 69.29 KB (70950) {code}
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