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https://issues.apache.org/jira/browse/HADOOP-15566?focusedWorklogId=677631&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-677631
]
ASF GitHub Bot logged work on HADOOP-15566:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 05/Nov/21 20:17
Start Date: 05/Nov/21 20:17
Worklog Time Spent: 10m
Work Description: cijothomas commented on a change in pull request #3445:
URL: https://github.com/apache/hadoop/pull/3445#discussion_r743193082
##########
File path: hadoop-common-project/hadoop-common/src/main/conf/hadoop-env.sh
##########
@@ -428,3 +428,14 @@ export HADOOP_OS_TYPE=${HADOOP_OS_TYPE:-$(uname -s)}
# By default, Hadoop uses jsvc which needs to know to launch a
# server jvm.
# export HADOOP_REGISTRYDNS_SECURE_EXTRA_OPTS="-jvm server"
+
+###
+# Opentelemetry Trace Exporters Configuration
+# TODO: javaagent is asummed to be stored in common/lib this should be moved
to seperate directory
Review comment:
```suggestion
# TODO: javaagent is assumed to be stored in common/lib this should be moved
to separate directory
```
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Issue Time Tracking
-------------------
Worklog Id: (was: 677631)
Time Spent: 6h 20m (was: 6h 10m)
> 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-WIP.1.patch, 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: 6h 20m
> 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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