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docs: document LITELLM_ENABLE_HTTP2 and HTTP/2 pool env vars#346

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docs: document LITELLM_ENABLE_HTTP2 and HTTP/2 pool env vars#346
KevinZhao wants to merge 1 commit into
BerriAI:mainfrom
KevinZhao:docs/http2-env-vars

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What

Documents the three new environment variables introduced by the opt-in outbound HTTP/2 feature:

  • LITELLM_ENABLE_HTTP2
  • LITELLM_HTTP2_MAX_CONNECTIONS
  • LITELLM_HTTP2_MAX_KEEPALIVE_CONNECTIONS

Added to the environment variables - Reference table in docs/proxy/config_settings.md.

Why

Companion docs PR for BerriAI/litellm#30370 (opt-in HTTP/2 for outbound LLM requests). The litellm CI documentation_test_env_keys check requires every LITELLM_* env var to be documented in config_settings.md, which now lives in this repo.

Adds environment-variable reference entries for the new opt-in outbound
HTTP/2 support (LITELLM_ENABLE_HTTP2, LITELLM_HTTP2_MAX_CONNECTIONS,
LITELLM_HTTP2_MAX_KEEPALIVE_CONNECTIONS). Companion to BerriAI/litellm#30370.
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