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https://issues.apache.org/jira/browse/IMPALA-9954?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sahil Takiar resolved IMPALA-9954.
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Fix Version/s: Impala 4.0
Resolution: Fixed
> RpcRecvrTime can be negative
> ----------------------------
>
> Key: IMPALA-9954
> URL: https://issues.apache.org/jira/browse/IMPALA-9954
> Project: IMPALA
> Issue Type: Sub-task
> Components: Backend
> Reporter: Sahil Takiar
> Assignee: Riza Suminto
> Priority: Major
> Fix For: Impala 4.0
>
> 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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