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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. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira