fix(pubsublite): reduce pscompat BufferedByteLimit#14234
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This pull request updates several byte limits, specifically BufferedByteLimit and MaxOutstandingBytes, from 1e10 to 1e9 in both test settings and the default publish settings. The review highlights that the MaxOutstandingBytes default in pscompat receive settings still needs to be updated to prevent a 32-bit incompatibility issue for subscribers.
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Code Review
This pull request updates several byte limits in Pub/Sub Lite settings and their corresponding tests, specifically reducing BufferedByteLimit and MaxOutstandingBytes from 10 GB to 1 GB. The review suggests updating the documentation for PublishSettings.BufferedByteLimit to reflect the new 1 GB default and to ensure the correct unit (GB) is used.
🤖 I have created a release *beep* *boop* --- ## [1.9.0](pubsublite/v1.8.2...pubsublite/v1.9.0) (2026-07-06) ### Features * Enable open telemetry attrs ([#14426](#14426)) ([74eab64](74eab64)) * **pubsublite:** Add GMK Implementation changes ([#14466](#14466)) ([50a5550](50a5550)) ### Bug Fixes * **pubsublite:** Reduce pscompat BufferedByteLimit ([#14234](#14234)) ([e768524](e768524)), closes [#14237](#14237) ### Reverts * Release pubsublite 2.0.0 ([#19998](#19998)) ([#20006](#20006)) ([d7b7078](d7b7078)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
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Reduced default BufferedByteLimit in pscompat layer to ensure compatibility with 32-bit architectures. This prevents compilation errors and potential OOM issues on memory-constrained systems (10 GB default is too high).
Users requiring extremely large buffers on 64-bit systems can still override these settings manually.
Note: Pub/Sub Lite has been deprecated and is scheduled to be shut down in June 2026.
Fixes #14237