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litellm/litellm/caching
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yuneng-jiang d50932dea7
fix(caching): backport #45784 and #46488 to rc/1.106.0 (#47006) 
* fix(caching): give RedisClusterCache one async client per event loop (#45784)

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
(cherry picked from commit cb73bad48a)

* fix(caching): make Redis Cluster commands wait for a pool slot instead of tripping the circuit breaker (#46488)

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
(cherry picked from commit ca2f99edac)

---------

Co-authored-by: Yassin Kortam <yassin@berri.ai>
Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
2026-10-16 15:34:17 -07:00
..
__init__.py refactor(lint): apply every safe ruff autofix and zero 28 strict-rule budgets 2026-08-01 15:43:29 -07:00
_embedding_router.py refactor(types): replace Any with proven types in 137 files (#44478) 2026-10-05 11:01:45 -07:00
_internal_lru_cache.py feat(lint): enforce Final on locals and freeze function parameters (LIT010, LIT011) 2026-08-04 12:54:39 -07:00
affinity_cache.py fix(otel): nest cache spans under their operation and name service spans by purpose (#44150) 2026-10-03 09:20:27 -07:00
azure_blob_cache.py feat(lint): enforce Final on locals and freeze function parameters (LIT010, LIT011) 2026-08-04 12:54:39 -07:00
base_cache.py chore(lint): clear grandfathered over-limit lint drift and ratchet budgets down 2026-08-05 12:18:13 -07:00
caching.py feat(gemini): accept file content blocks with video_metadata on multimodal embeddings (#45305) 2026-10-08 13:20:03 -07:00
caching_handler.py feat(gemini): accept file content blocks with video_metadata on multimodal embeddings (#45305) 2026-10-08 13:20:03 -07:00
disk_cache.py chore(lint): clear grandfathered over-limit lint drift and ratchet budgets down 2026-08-05 12:18:13 -07:00
dual_cache.py chore(lint): remove the LIT002 mutable-construction rule (#43971) 2026-10-01 12:24:02 -07:00
evicted_client_closer.py chore(lint): remove the LIT002 mutable-construction rule (#43971) 2026-10-01 12:24:02 -07:00
gcs_cache.py refactor(llms): expose public names for private provider helpers (#45037) 2026-10-07 08:49:25 -07:00
in_memory_cache.py refactor(mcp): reuse in-memory discovery storage 2026-09-11 17:53:51 -07:00
llm_caching_handler.py fix(caching): clear strict-lint budget breaches in re-landed closer code 2026-08-05 11:08:19 -07:00
qdrant_semantic_cache.py fix(caching): skip the cache past max_messages and keep tool_result text in semantic prompts (#43878) 2026-10-07 17:32:39 +00:00
Readme.md add azure blob cache support (#12587) 2025-07-15 11:47:38 -07:00
redis_batch.py fix(otel): nest cache spans under their operation and name service spans by purpose (#44150) 2026-10-03 09:20:27 -07:00
redis_cache.py fix(caching): backport #45784 and #46488 to rc/1.106.0 (#47006) 2026-10-16 15:34:17 -07:00
redis_cluster_cache.py fix(caching): backport #45784 and #46488 to rc/1.106.0 (#47006) 2026-10-16 15:34:17 -07:00
redis_cluster_node_isolation.py fix(caching): keep a node timeout from forcing a cluster-wide topology reinit on redis-py 8.x (#39349) 2026-09-03 17:31:58 -07:00
redis_semantic_cache.py fix(caching): skip the cache past max_messages and keep tool_result text in semantic prompts (#43878) 2026-10-07 17:32:39 +00:00
s3_cache.py chore(lint): strip inert type: ignore comments and zero LIT009, LIT010, LIT011 headroom 2026-08-05 02:37:24 -07:00
valkey_semantic_cache.py refactor(types): replace Any with proven types in 157 files (#44798) 2026-10-06 15:31:54 +00:00

Readme.md

Caching on LiteLLM

LiteLLM supports multiple caching mechanisms. This allows users to choose the most suitable caching solution for their use case.

The following caching mechanisms are supported:

  1. RedisCache
  2. RedisSemanticCache
  3. QdrantSemanticCache
  4. InMemoryCache
  5. DiskCache
  6. S3Cache
  7. AzureBlobCache
  8. DualCache (updates both Redis and an in-memory cache simultaneously)

Folder Structure

litellm/caching/
├── base_cache.py
├── caching.py
├── caching_handler.py
├── disk_cache.py
├── dual_cache.py
├── in_memory_cache.py
├── qdrant_semantic_cache.py
├── redis_cache.py
├── redis_semantic_cache.py
├── s3_cache.py

Documentation