Rate Limiting: Check all slots on redis, Reduce number of cache writes #11299
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…on subsequent requests to instance
…rom cache more accurate rate limiting with sliding window
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stefan--
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Jun 12, 2025
BerriAI#11299) * fix(base_routing_strategy.py): compress increments to redis - reduces write ops * fix(base_routing_strategy.py): make get and reset in memory keys atomic * fix(base_routing_strategy.py): don't reset keys - causes discrepency on subsequent requests to instance * fix(parallel_request_limiter.py): retrieve values of previous slots from cache more accurate rate limiting with sliding window * fix: fix test * fix: fix linting error
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Title
Relevant issues
Pre-Submission checklist
Please complete all items before asking a LiteLLM maintainer to review your PR
tests/litellm/directory, Adding at least 1 test is a hard requirement - see detailsmake test-unitType
🆕 New Feature
🐛 Bug Fix
🧹 Refactoring
📖 Documentation
🚄 Infrastructure
✅ Test
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