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https://issues.apache.org/jira/browse/HADOOP-13473?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daryn Sharp updated HADOOP-13473:
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Attachment: HADOOP-13473.patch
The htrace span is technically violating abstractions by accessing rpc headers
in the ipc layer. I tried to push the htrace scope down into the rpc
engine/handler but that would alter the start time semantics from when it went
in the queue, to when it was extracted. Tried to create a span with the queue
time, but htrace apis just aren't amiable to creating a scope from the manual
span.
Anyway, just added a wrapper to lazy decode the rpc header.
> TestTracing#testTracing is failing in trunk
> --------------------------------------------
>
> Key: HADOOP-13473
> URL: https://issues.apache.org/jira/browse/HADOOP-13473
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.9.0, 3.0.0-alpha2
> Reporter: Wei-Chiu Chuang
> Assignee: Daryn Sharp
> Attachments: HADOOP-13473.patch
>
>
> Looks like the test has been failing since HADOOP-13438 was committed.
> https://builds.apache.org/job/PreCommit-HDFS-Build/16338/testReport/org.apache.hadoop.tracing/TestTracing/testTracing/
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