zhaohai666 opened a new pull request, #1386:
URL: https://github.com/apache/rocketmq-clients/pull/1386
## P7 feat(nodejs): consumer-side rate limiting via semaphore backpressure
- `src/util/Semaphore.ts` applied to `ProcessQueue`, bounding in-flight
consumption by
`consumeConcurrentlyMax` (default 32); the receive loop pauses while all
permits are
taken, providing per-queue consumption backpressure.
- `PushConsumerOptions#consumeConcurrentlyMax`; broker-side value parsed
from settings
when present.
**Tests:** `nodejs/test/util/Semaphore.test.ts` +
`nodejs/test/consumer/ProcessQueue.test.ts` (10 cases, offline, all pass)
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