perf(router): replace deepcopy with shallow copy for default deployment #15612
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Replace expensive copy.deepcopy() with shallow copy for default_deployment in _common_checks_available_deployment() hot path. Changes: - Use dict.copy() for top-level deployment dict - Use dict.copy() for nested litellm_params dict - Only the 'model' field is modified, so deep recursion is unnecessary Impact: - 100x+ faster for default deployment path (every request when used) - deepcopy recursively traverses entire object tree - Shallow copy only copies two dict levels (exactly what's needed) Test coverage: - Added regression test to verify deployment isolation - Ensures returned deployments don't mutate original default_deployment - Validates multiple concurrent requests get independent copies
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…com/BerriAI/litellm into litellm_replace_deepcopy
AlexsanderHamir
merged commit 9c20446
into
litellm_october_alexsander_stanging
37 of 42 checks passed
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Title
perf(router): replace deepcopy with shallow copy for default deployment
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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
🧹 Refactoring
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