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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5274) Add Tracing to HDFS
Date Wed, 26 Feb 2014 21:20:26 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13913516#comment-13913516
] 

stack commented on HDFS-5274:
-----------------------------

Hmm... Add this repository in the top level hadoop pom?

+    <repository>
+      <id>oss.sonatype</id>
+      <name>Sonatype OSS Repository</name>
+      <url>https://oss.sonatype.org/content/groups/public</url>
+      <snapshots>
+        <enabled>true</enabled>
+      </snapshots>
+      <releases>
+        <enabled>true</enabled>
+      </releases>
+    </repository>

That makes it work for me.  Thanks [~iwasakims]

> 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: HDFS-5274-0.patch, HDFS-5274-1.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, 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.



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