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https://issues.apache.org/jira/browse/HBASE-22120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17244539#comment-17244539
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ramkrishna.s.vasudevan commented on HBASE-22120:
------------------------------------------------
We did a small POC with open telemetry changes and just updated some existing
Tracing calls to use the Open telemetry way and some new changes. We were able
to make it work with OpenTelemetry. JFYI.
> Replace HTrace with OpenTracing
> -------------------------------
>
> Key: HBASE-22120
> URL: https://issues.apache.org/jira/browse/HBASE-22120
> Project: HBase
> Issue Type: New Feature
> Components: tracing
> Affects Versions: 3.0.0-alpha-1
> Reporter: Sergey Shelukhin
> Assignee: Wei-Chiu Chuang
> Priority: Major
>
> h2. Deprecate HTrace usage in HBase
> * HBase 1.x (branch-1)
> * Declare HTrace (htrace 3.x) deprecated in the user doc.
> * HBase 2.x (branch-2)
> * Declare HTrace deprecated in the user doc. Furthermore, state that it is
> known not working.
> * Either fix the trace context propagation bug in HBase 2.x, or backport
> OpenTracing support from the master branch. I am inclined to the latter.
> * HBase 3.x (master branch)
> * Remove HTrace entirely.
> * Add OpenTracing APIs. Potentially backport to HBase 2.4.
> * Replace OpenTracing API with OpenTelemetry when the latter stabilizes.
> h1. Milestones
> # Doc -- deprecation notice
> # Replace existing HTrace code with OpenTracing code in the master branch
> (3.x)
> # Java (a [poc|https://github.com/jojochuang/hbase/tree/HBASE-22120] is
> currently under way)
> # HBase shell and scripts (Ruby, shell script)
> # Doc
> # Add new trace instrumentation code for new features not instrumented by
> the existing HTace code.
> # Propagate the traces to other systems such as HDFS and MapReduce.
> # Support other OpenTracing tracers.
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