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https://issues.apache.org/jira/browse/HADOOP-15566?focusedWorklogId=571411&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-571411
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ASF GitHub Bot logged work on HADOOP-15566:
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Author: ASF GitHub Bot
Created on: 24/Mar/21 19:02
Start Date: 24/Mar/21 19:02
Worklog Time Spent: 10m
Work Description: yurishkuro commented on pull request #2816:
URL: https://github.com/apache/hadoop/pull/2816#issuecomment-806079414
OpenTelemetry has an API jar and an SDK jar. The API jar is the one on which
your code needs to depend the most, and it brings no additional dependencies.
But in order to actually export the telemetry, you do need an SDK. There should
be a way to initialize the SDK at runtime without creating a compile time
dependency.
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Issue Time Tracking
-------------------
Worklog Id: (was: 571411)
Time Spent: 0.5h (was: 20m)
> 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, OpenTracing Support Scope
> Doc.pdf, Screen Shot 2018-06-29 at 11.59.16 AM.png, ss-trace-s3a.png
>
> Time Spent: 0.5h
> 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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