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https://issues.apache.org/jira/browse/HBASE-6449?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13422833#comment-13422833
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Zhihong Ted Yu commented on HBASE-6449:
---------------------------------------
You're right about test categorization.
Please add htrace module to the root pom.xml (this was the reason why htrace
tests were not run):
{code}
Index: pom.xml
===================================================================
--- pom.xml (revision 1365854)
+++ pom.xml (working copy)
@@ -46,6 +46,7 @@
<module>hbase-hadoop-compat</module>
<module>hbase-common</module>
<module>hbase-it</module>
+ <module>htrace</module>
</modules>
<scm>
<connection>scm:svn:http://svn.apache.org/repos/asf/hbase/trunk</connection>
{code}
Then you should be able to run test individually at workspace root:
{code}
Running org.apache.hadoop.hbase.htrace.CountSamplerTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.039 sec
Results :
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] HBase ............................................. SUCCESS [1.479s]
[INFO] HBase - Common .................................... SUCCESS [0.792s]
[INFO] HBase - Hadoop Compatibility ...................... SUCCESS [0.089s]
[INFO] HBase - Hadoop One Compatibility .................. SUCCESS [0.235s]
[INFO] HBase - Server .................................... SUCCESS [3.212s]
[INFO] HBase - Hadoop Two Compatibility .................. SUCCESS [1.581s]
[INFO] HBase - Integration Tests ......................... SUCCESS [0.376s]
[INFO] htrace ............................................ SUCCESS [0.553s]
{code}
Please change the name of htrace to 'HBase - Trace' so that it aligns with
other module names.
Looks like you forgot to include a file in the patch:
{code}
Running org.apache.hadoop.hbase.htrace.TestHTrace
Error constructing LocalFileSpanReceiver: test/htrace-test-output-spans.txt (No
such file or directory)
{code}
> Dapper like tracing
> -------------------
>
> Key: HBASE-6449
> URL: https://issues.apache.org/jira/browse/HBASE-6449
> Project: HBase
> Issue Type: New Feature
> Components: client, ipc
> Affects Versions: 0.96.0
> Reporter: Jonathan Leavitt
> Labels: tracing
> Attachments: htrace1.diff, trace.png
>
>
> Add [Dapper|http://research.google.com/pubs/pub36356.html] like tracing to
> HBase. [Accumulo|http://accumulo.apache.org] added something similar with
> their cloudtrace package.
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