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https://issues.apache.org/jira/browse/HDFS-15936?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17389760#comment-17389760
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JiangHua Zhu commented on HDFS-15936:
-------------------------------------
[~weichiu], thank you for your comment and review.
> 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
> Fix For: 3.4.0, 3.3.2
>
> Time Spent: 2h 20m
> 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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