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https://issues.apache.org/jira/browse/HDDS-17581?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDDS-17581:
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Labels: pull-request-available (was: )
> Add TracingUtil span helpers and span-kind aware tracing proxies
> ----------------------------------------------------------------
>
> Key: HDDS-17581
> URL: https://issues.apache.org/jira/browse/HDDS-17581
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Sravani Revuri
> Assignee: rajesh
> Priority: Major
> Labels: pull-request-available
>
> h3. Problem
> The OM, SCM and datanode tracing work (HDDS-17586, HDDS-17593, HDDS-17594)
> will wrap internal service components in tracing proxies and add attributes
> and errors to spans. The current \{{hdds-common}} tracing utilities don't
> support this:
> * Proxies can't wrap components created at service startup.
> * Proxy spans are always CLIENT and are named after the interface, not the
> implementation class.
> * Failed spans get only an ERROR status, without the exception or message.
> * There are no shared helpers for span attributes, events and exceptions, and
> no test helper to assert on spans.
> h3. Proposal
> Extend \{{TracingUtil}} and \{{TraceAllMethod}} with:
> * A tracing proxy that can be created at startup, takes a span kind, and
> names spans \{{<implementation class>.<method>}}.
> * Separate INTERNAL and CLIENT proxy helpers. Existing RPC client proxies
> keep CLIENT spans.
> * Standard exception recording on proxy spans, \{{executeInSpan}} and the
> protocol message dispatcher.
> * Null-safe helpers for span attributes, events and exceptions, plus a test
> span collector.
> Only \{{hdds-common}} changes; no new service spans. No proto, RPC,
> configuration or storage changes.
> This blocks HDDS-17586, HDDS-17593 and HDDS-17594.
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