From ffad861e2c6b09459469bb742e36d88ee0a083e5 Mon Sep 17 00:00:00 2001
From: Jonny Rhea <5555162+jrhea@users.noreply.github.com>
Date: Tue, 6 Jan 2026 10:22:20 -0600
Subject: [PATCH] WithMaxExportBatchSize is specified twice (#16211)

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**What type of PR is this?**

> Bug fix


**What does this PR do? Why is it needed?**

It's just a simple fix. I was looking at how prysm uses OpenTelemetry
and I noticed it.

**Which issues(s) does this PR fix?**

**Other notes for review**

**Acknowledgements**

- [x] I have read
[CONTRIBUTING.md](https://github.com/prysmaticlabs/prysm/blob/develop/CONTRIBUTING.md).
- [x] I have included a uniquely named [changelog fragment
file](https://github.com/prysmaticlabs/prysm/blob/develop/CONTRIBUTING.md#maintaining-changelogmd).
- [x] I have added a description with sufficient context for reviewers
to understand this PR.
- [x] I have tested that my changes work as expected and I added a
testing plan to the PR description (if applicable).
---
 changelog/jrhea_duplicate_tracer_provider_setting.md | 3 +++
 monitoring/tracing/tracer.go                         | 1 -
 2 files changed, 3 insertions(+), 1 deletion(-)
 create mode 100644 changelog/jrhea_duplicate_tracer_provider_setting.md

diff --git a/changelog/jrhea_duplicate_tracer_provider_setting.md b/changelog/jrhea_duplicate_tracer_provider_setting.md
new file mode 100644
index 0000000000..a360c84a84
--- /dev/null
+++ b/changelog/jrhea_duplicate_tracer_provider_setting.md
@@ -0,0 +1,3 @@
+### Fixed
+
+- Don't call trace.WithMaxExportBatchSize(trace.DefaultMaxExportBatchSize) twice.
diff --git a/monitoring/tracing/tracer.go b/monitoring/tracing/tracer.go
index 4ccfee2dc7..f62747af14 100644
--- a/monitoring/tracing/tracer.go
+++ b/monitoring/tracing/tracer.go
@@ -45,7 +45,6 @@ func Setup(ctx context.Context, serviceName, processName, endpoint string, sampl
 			exporter,
 			trace.WithMaxExportBatchSize(trace.DefaultMaxExportBatchSize),
 			trace.WithBatchTimeout(trace.DefaultScheduleDelay*time.Millisecond),
-			trace.WithMaxExportBatchSize(trace.DefaultMaxExportBatchSize),
 		),
 		trace.WithResource(
 			resource.NewWithAttributes(