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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Work logged] (HADOOP-15566) Support OpenTelemetry
Date Tue, 01 Jun 2021 17:03:01 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-15566?focusedWorklogId=604625&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-604625
]

ASF GitHub Bot logged work on HADOOP-15566:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 01/Jun/21 17:02
            Start Date: 01/Jun/21 17:02
    Worklog Time Spent: 10m 
      Work Description: ArkenKiran commented on pull request #2816:
URL: https://github.com/apache/hadoop/pull/2816#issuecomment-852289733


   @steveloughran I have made changes to use opentelemetry-autoinitialse which needs the exporter
only in runtime. while using the opentelemetry-jaeger-exporter I see some conflicts. I am
planning to shade the opentelemetry-exporter-jaeger and place it in https://github.com/apache/hadoop-thirdparty.
Please let me know if any other options available.
   
   cc @liuml07 @apurtell 


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 604625)
    Time Spent: 2h 10m  (was: 2h)

> Support OpenTelemetry
> ---------------------
>
>                 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: pull-request-available, security
>         Attachments: HADOOP-15566.000.WIP.patch, OpenTelemetry Support Scope Doc v2.pdf,
OpenTracing Support Scope Doc.pdf, Screen Shot 2018-06-29 at 11.59.16 AM.png, ss-trace-s3a.png
>
>          Time Spent: 2h 10m
>  Remaining Estimate: 0h
>
> 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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