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From "Jonathan Leavitt (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6449) Dapper like tracing
Date Thu, 26 Jul 2012 21:24:35 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6449?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13423482#comment-13423482
] 

Jonathan Leavitt commented on HBASE-6449:
-----------------------------------------

bq. What do you mean by having hbase dependent on htrace?
I meant having htrace as an independent maven project in the hbase source tree and add a <dependency>
for htrace in hbase's pom. 
The original plan was to get the tracing library committed to hbase first so the hbase committers
could review and would be more likely to commit the necessary hooks into hbase. It would also
save the initial hassle of getting the library into maven.

But you would recommend putting it on github, and only submitting patches with the instrumentation
for hbase? If htrace were on github and the hooks were in hbase, would those downloading hbase
source just have to grab htrace off github and have maven install it locally? 


                
> 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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