[jira] [Updated] (HDFS-15936) Solve BlockSender#sendPacket() does not record SocketTimeout exception

["JiangHua Zhu (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-15936?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

JiangHua Zhu updated HDFS-15936:
--------------------------------
    Summary: Solve BlockSender#sendPacket() does not record SocketTimeout exception  (was: Solve SocketTimeoutException#sendPacket() does not record SocketTimeout exception)

> Solve BlockSender#sendPacket() does not record SocketTimeout exception
> ----------------------------------------------------------------------
>
>                 Key: HDFS-15936
>                 URL: https://issues.apache.org/jira/browse/HDFS-15936
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: JiangHua Zhu
>            Assignee: JiangHua Zhu
>            Priority: Minor
>              Labels: pull-request-available
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> In BlockSender#sendPacket(), if a SocketTimeout exception occurs, no information is recorded here.
> try {
>    ......
> } catch (IOException e) {
>        if (e instanceof SocketTimeoutException) {
>          /*
>           * writing to client timed out. This happens if the client reads
>           * part of a block and then decides not to read the rest (but leaves
>           * the socket open).
>           *
>           * Reporting of this case is done in DataXceiver#run
>           */
>        }
> }
> No records are generated here, which is not conducive to troubleshooting.
> We should add a line of warning type log.



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