[jira] [Commented] (HDFS-4916) DataTransfer may mask the IOException during block transfering

["Hadoop QA (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-4916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16914042#comment-16914042 ] 

Hadoop QA commented on HDFS-4916:
---------------------------------

| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  7s{color} | {color:red} HDFS-4916 does not apply to trunk. Rebase required? Wrong Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
\\
\\
|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-4916 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12588510/4916.v0.patch |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/27647/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> DataTransfer may mask the IOException during block transfering
> --------------------------------------------------------------
>
>                 Key: HDFS-4916
>                 URL: https://issues.apache.org/jira/browse/HDFS-4916
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>    Affects Versions: 2.0.4-alpha, 2.0.5-alpha
>            Reporter: Zesheng Wu
>            Assignee: Lisheng Sun
>            Priority: Critical
>              Labels: BB2015-05-TBR
>         Attachments: 4916.v0.patch
>
>
> When a new datanode is added to the pipeline, the client will trigger the block transfer process. In the current implementation, the src datanode calls the run() method of the DataTransfer to transfer the block, this method will mask the IOExceptions during the transfering, and will make the client not realize the failure during the transferring, as a result the client will mistake the failing transferring as successful one. 



--
This message was sent by Atlassian Jira
(v8.3.2#803003)

---------------------------------------------------------------------
To unsubscribe, e-mail: hdfs-issues-unsubscribe@hadoop.apache.org
For additional commands, e-mail: hdfs-issues-help@hadoop.apache.org