[
https://issues.apache.org/jira/browse/HDFS-5274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13924490#comment-13924490
]
Hadoop QA commented on HDFS-5274:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12633485/3node_get_200mb.png
against trunk revision .
{color:red}-1 patch{color}. The patch command could not apply the patch.
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/6349//console
This message is automatically generated.
> Add Tracing to HDFS
> -------------------
>
> Key: HDFS-5274
> URL: https://issues.apache.org/jira/browse/HDFS-5274
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: datanode, namenode
> Affects Versions: 2.1.1-beta
> Reporter: Elliott Clark
> Assignee: Elliott Clark
> Attachments: 3node_get_200mb.png, 3node_put_200mb.png,
> HDFS-5274-0.patch, HDFS-5274-1.patch, HDFS-5274-10.patch, HDFS-5274-11.txt,
> HDFS-5274-12.patch, HDFS-5274-13.patch, HDFS-5274-2.patch, HDFS-5274-3.patch,
> HDFS-5274-4.patch, HDFS-5274-5.patch, HDFS-5274-6.patch, HDFS-5274-7.patch,
> HDFS-5274-8.patch, HDFS-5274-8.patch, HDFS-5274-9.patch, Zipkin Trace
> a06e941b0172ec73.png, Zipkin Trace d0f0d66b8a258a69.png, ss-5274v8-get.png,
> ss-5274v8-put.png
>
>
> Since Google's Dapper paper has shown the benefits of tracing for a large
> distributed system, it seems like a good time to add tracing to HDFS. HBase
> has added tracing using HTrace. I propose that the same can be done within
> HDFS.
--
This message was sent by Atlassian JIRA
(v6.2#6252)
