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Posted to notifications@accumulo.apache.org by "Christopher Tubbs (JIRA)" <ji...@apache.org> on 2016/03/25 21:56:25 UTC

[jira] [Commented] (ACCUMULO-4171) Update to htrace-core4

    [ https://issues.apache.org/jira/browse/ACCUMULO-4171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15212385#comment-15212385 ] 

Christopher Tubbs commented on ACCUMULO-4171:
---------------------------------------------

Do we know how stable htrace's API is going to be as it moves forward from here on? Does htrace have an API statement, like semver?

My concern is that now that Hadoop and Accumulo are both using HTrace, updating HTrace might further constrain the Hadoop versions we support (same with not updating it). If HTrace's API is not stable (or if Hadoop or ourselves use items which are not in HTrace's declared stable API), we may be limited to using only the exact version that Hadoop is using.

> Update to htrace-core4
> ----------------------
>
>                 Key: ACCUMULO-4171
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-4171
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: trace
>            Reporter: Mike Drob
>             Fix For: 1.8.0
>
>
> We are currently using HTrace 3.1.0-incubating. There were some API changes and improvements on the way to HTrace 4.x-incubating, and we should stay up to date with those changes.



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