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OBSDOCS-2245: Release notes for Distributed Tracing and OpenTelemetry 3.7

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This commit is contained in:
Max Leonov
2025-08-18 18:10:26 +02:00
committed by openshift-cherrypick-robot
parent 927331a8a4
commit 4cc973595c
9 changed files with 61 additions and 14 deletions
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4
modules/distr-tracing-tempo-rn-bug-fixes.adoc
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@@ -6,4 +6,6 @@
[id="fixed-issues_{context}"]
= Fixed issues
None.
This release fixes the following CVE:
* link:https://access.redhat.com/security/cve/cve-2025-22874[CVE-2025-22874]

3
modules/distr-tracing-tempo-rn-enhancements.adoc
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@@ -6,4 +6,5 @@
[id="new-features-and-enhancements_{context}"]
= New features and enhancements
None.
Network policy to restrict API access::
With this update, the {TempoOperator} creates a network policy for the Operator to restrict access to the used APIs.

7
modules/distr-tracing-tempo-rn-known-issues.adoc
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@@ -6,4 +6,9 @@
[id="known-issues_{context}"]
= Known issues
None.
Tempo query frontend fails to fetch trace JSON::
In the Jaeger UI, clicking on *Trace* and refreshing the page, or accessing *Trace* -> *Trace Timeline* -> *Trace JSON* from the Tempo query frontend, might result in the Tempo query pod failing with an EOF error.
+
To work around this problem, use the distributed tracing UI plugin to view traces.
+
link:https://issues.redhat.com/browse/TRACING-5483[TRACING-5483]

7
modules/otel-config-send-metrics-monitoring-stack.adoc
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@@ -27,7 +27,12 @@ spec:
service:
telemetry:
metrics:
address: ":8888"
readers:
- pull:
exporter:
prometheus:
host: 0.0.0.0
port: 8888
pipelines:
metrics:
exporters: [prometheus]

24
modules/otel-rn-deprecated-features.adoc
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@@ -6,4 +6,26 @@
[id="deprecated-features_{context}"]
= Deprecated features
The OpenCensus Receiver, which provided backward compatibility with the OpenCensus format, is deprecated and might be removed in a future major release.
The OpenCensus Receiver is deprecated::
The OpenCensus Receiver, which provided backward compatibility with the OpenCensus format, is deprecated and might be removed in a future release.
The Collector's service metrics telemetry address is deprecated::
The `metrics.address` field in the `OpenTelemetryCollector` custom resource (CR) is deprecated and might be removed in a future release. As an alternative, use the `metrics.readers` field instead.
+
Example of using the `readers` field:
+
[source,yaml]
----
# ...
config:
service:
telemetry:
metrics:
readers:
- pull:
exporter:
prometheus:
host: 0.0.0.0
port: 8888
# ...
----

2
modules/otel-rn-removed-features.adoc
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@@ -6,6 +6,8 @@
[id="removed-features_{context}"]
= Removed features
The LokiStack Exporter is removed::
The LokiStack Exporter, which exported data to a LokiStack instance, is removed and no longer supported. You can export data to a LokiStack instance by using the OTLP HTTP Exporter instead.
The Routing Processor is removed::
The Routing Processor, which routed telemetry data to an exporter is removed and no longer supported. You can route telemetry data by using the Routing Connector instead.

13
modules/otel-rn-technology-preview-features.adoc
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@@ -6,8 +6,13 @@
[id="technology-preview-features_{context}"]
= Technology Preview features
Probabilistic Sampling Processor (Technology Preview):: This release introduces the Probabilistic Sampling Processor as a Technology Preview feature for the {OTELShortName} Collector. The Probabilistic Sampling Processor samples a specified percentage of trace spans or log records statelessly and per request. You can use the Probabilistic Sampling Processor if you handle high volumes of telemetry data and seek to reduce costs by reducing processed data volumes.
[IMPORTANT]
====
[subs="attributes+"]
Technology Preview features are not supported with Red{nbsp}Hat production service level agreements (SLAs) and might not be functionally complete. Red{nbsp}Hat does not recommend using them in production. These features provide early access to upcoming product features, enabling customers to test functionality and provide feedback during the development process.
:FeatureName: The Probabilistic Sampling Processor
//:FeatureName: Each of these features
include::snippets/technology-preview.adoc[leveloffset=+1]
For more information about the support scope of Red{nbsp}Hat Technology Preview features, see link:https://access.redhat.com/support/offerings/techpreview/[Technology Preview Features Support Scope].
====
Probabilistic Sampling Processor (Technology Preview)::
This release introduces the Probabilistic Sampling Processor as a Technology Preview feature for the {OTELShortName} Collector. The Probabilistic Sampling Processor samples a specified percentage of trace spans or log records statelessly and per request. You can use the Probabilistic Sampling Processor if you handle high volumes of telemetry data and seek to reduce costs by reducing processed data volumes.

9
observability/distr_tracing/distr-tracing-rn.adoc
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@@ -13,11 +13,14 @@ include::snippets/distr-tracing-and-otel-disclaimer-about-docs-for-supported-fea
include::modules/distr-tracing-tempo-rn-enhancements.adoc[leveloffset=+1]
include::modules/distr-tracing-tempo-rn-technology-preview-features.adoc[leveloffset=+1]
// None included with this release
// include::modules/distr-tracing-tempo-rn-technology-preview-features.adoc[leveloffset=+1]
include::modules/distr-tracing-tempo-rn-deprecated-features.adoc[leveloffset=+1]
// None included with this release
// include::modules/distr-tracing-tempo-rn-deprecated-features.adoc[leveloffset=+1]
include::modules/distr-tracing-tempo-rn-removed-features.adoc[leveloffset=+1]
// None included with this release
// include::modules/distr-tracing-tempo-rn-removed-features.adoc[leveloffset=+1]
include::modules/distr-tracing-tempo-rn-known-issues.adoc[leveloffset=+1]

6
observability/otel/otel-rn.adoc
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@@ -18,8 +18,10 @@ include::modules/otel-rn-deprecated-features.adoc[leveloffset=+1]
include::modules/otel-rn-removed-features.adoc[leveloffset=+1]
include::modules/otel-rn-known-issues.adoc[leveloffset=+1]
// None included with this release
// include::modules/otel-rn-known-issues.adoc[leveloffset=+1]
include::modules/otel-rn-bug-fixes.adoc[leveloffset=+1]
// None included with this release
// include::modules/otel-rn-bug-fixes.adoc[leveloffset=+1]
include::modules/support.adoc[leveloffset=+1]