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Posted to common-issues@hadoop.apache.org by "Wei-Chiu Chuang (Jira)" <ji...@apache.org> on 2020/03/04 17:44:00 UTC

[jira] [Commented] (HADOOP-15566) Support Opentracing

    [ https://issues.apache.org/jira/browse/HADOOP-15566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17051450#comment-17051450 ] 

Wei-Chiu Chuang commented on HADOOP-15566:
------------------------------------------

Dropping this out from 3.3.0. We need 
(1) a design doc (I'm sorry it's in my draft folder forgot to publish it here)
(2) do this in a feature branch before merging into trunk. 

I'll start those work soon.

> Support Opentracing
> -------------------
>
>                 Key: HADOOP-15566
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15566
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: metrics, tracing
>    Affects Versions: 3.1.0
>            Reporter: Todd Lipcon
>            Assignee: Siyao Meng
>            Priority: Major
>              Labels: security
>         Attachments: HADOOP-15566.000.WIP.patch, Screen Shot 2018-06-29 at 11.59.16 AM.png, ss-trace-s3a.png
>
>
> The HTrace incubator project has voted to retire itself and won't be making further releases. The Hadoop project currently has various hooks with HTrace. It seems in some cases (eg HDFS-13702) these hooks have had measurable performance overhead. Given these two factors, I think we should consider removing the HTrace integration. If there is someone willing to do the work, replacing it with OpenTracing might be a better choice since there is an active community.



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