fix(pubsub): return error when publishing messages that are too large#4732
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PhongChuong merged 2 commits intogoogleapis:mainfrom Feb 19, 2026
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #4732 +/- ##
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- Coverage 95.08% 95.07% -0.01%
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Files 198 198
Lines 7587 7599 +12
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+ Hits 7214 7225 +11
- Misses 373 374 +1 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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dbolduc
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dbolduc
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Feb 19, 2026
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Publisher returns ExceededByteThresholdError when the application publish a message that is larger (with topic and ordering key) than the configured batch threshold.
For messages without ordering key, the Publisher returns an ExceededByteThresholdError for that message and continue as normal.
For messages with an ordering key, the Publisher returns an ExceededByteThresholdError for that message and pause publishing for the ordering key.
Fixes #4650