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Feature/balanced channel#2251

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palfrey wants to merge 3 commits intoTraceMachina:mainfrom
palfrey:feature/balanced-channel
Closed

Feature/balanced channel#2251
palfrey wants to merge 3 commits intoTraceMachina:mainfrom
palfrey:feature/balanced-channel

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@palfrey
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@palfrey palfrey commented Mar 30, 2026

Description

Testing build fixes for #2175

Type of change

Please delete options that aren't relevant.

  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Breaking change (fix or feature that would cause existing functionality to
    not work as expected)
  • This change requires a documentation update

How Has This Been Tested?

Please also list any relevant details for your test configuration

Checklist

  • Updated documentation if needed
  • Tests added/amended
  • bazel test //... passes locally
  • PR is contained in a single commit, using git amend see some docs

This change is Reviewable

dkostyrev and others added 2 commits March 16, 2026 13:59
Add client-side load balancing to OTLP gRPC connections using ginepro.
When NL_OTEL_ENDPOINT is set, the telemetry system creates a load-balanced
channel shared across log, trace, and metric exporters. This enables better
distribution of telemetry traffic across multiple OTLP collector instances
and improves overall system resilience.

- Add ginepro dependency for gRPC load balancing
- Upgrade OpenTelemetry dependencies from 0.29 to 0.30
- Change init_tracing() to async to support channel initialization
- Add NL_OTEL_ENDPOINT environment variable for configuration
- Update all OTLP exporters to use shared load-balanced channel
@palfrey
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palfrey commented Mar 31, 2026

Tried setting LIBZSTD_NO_PKG_CONFIG to disable non-vendored zstd, but no luck there.

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