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https://issues.apache.org/jira/browse/HDFS-7189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14280412#comment-14280412
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Hudson commented on HDFS-7189:
------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #2026 (See 
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2026/])
HDFS-7189. Add trace spans for DFSClient metadata operations. (Colin P. McCabe 
via yliu) (yliu: rev c4ccbe62c0857261b197a68c1e03a02e92f21a38)
* 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java
* 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/EncryptionZoneIterator.java
* 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/BlockStorageLocationUtil.java
* 
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestCacheDirectives.java
* 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/CachePoolIterator.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSInotifyEventInputStream.java
* 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/CacheDirectiveIterator.java


> Add trace spans for DFSClient metadata operations
> -------------------------------------------------
>
>                 Key: HDFS-7189
>                 URL: https://issues.apache.org/jira/browse/HDFS-7189
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, namenode
>    Affects Versions: 2.7.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>             Fix For: 2.7.0
>
>         Attachments: HDFS-7189.001.patch, HDFS-7189.003.patch, 
> HDFS-7189.004.patch, HDFS-7189.005.patch, HDFS-7189.006.patch, 
> HDFS-7189.007.patch
>
>
> We should add trace spans for DFSClient metadata operations.  For example, 
> {{DFSClient#rename}} should have a trace span, etc. etc.



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