clean up clean up

llama_stack/providers/inline/vector_io/faiss/faiss.py

@@ -207,6 +207,7 @@ class FaissVectorIOAdapter(OpenAIVectorStoreMixin, VectorIO, VectorDBsProtocolPr
         self.kvstore: KVStore | None = None
         self.openai_vector_stores: dict[str, dict[str, Any]] = {}
         self.openai_file_batches: dict[str, dict[str, Any]] = {}
+        self._last_file_batch_cleanup_time = 0
 
     async def initialize(self) -> None:
         self.kvstore = await kvstore_impl(self.config.kvstore)

llama_stack/providers/inline/vector_io/sqlite_vec/sqlite_vec.py

@@ -416,6 +416,7 @@ class SQLiteVecVectorIOAdapter(OpenAIVectorStoreMixin, VectorIO, VectorDBsProtoc
         self.cache: dict[str, VectorDBWithIndex] = {}
         self.openai_vector_stores: dict[str, dict[str, Any]] = {}
         self.openai_file_batches: dict[str, dict[str, Any]] = {}
+        self._last_file_batch_cleanup_time = 0
         self.kvstore: KVStore | None = None
 
     async def initialize(self) -> None:

llama_stack/providers/remote/vector_io/chroma/chroma.py

@@ -167,6 +167,7 @@ class ChromaVectorIOAdapter(OpenAIVectorStoreMixin, VectorIO, VectorDBsProtocolP
             self.client = chromadb.PersistentClient(path=self.config.db_path)
         self.openai_vector_stores = await self._load_openai_vector_stores()
         self.openai_file_batches: dict[str, dict[str, Any]] = {}
+        self._last_file_batch_cleanup_time = 0
 
     async def shutdown(self) -> None:
         pass

llama_stack/providers/remote/vector_io/milvus/milvus.py

@@ -318,6 +318,7 @@ class MilvusVectorIOAdapter(OpenAIVectorStoreMixin, VectorIO, VectorDBsProtocolP
         self.vector_db_store = None
         self.openai_vector_stores: dict[str, dict[str, Any]] = {}
         self.openai_file_batches: dict[str, dict[str, Any]] = {}
+        self._last_file_batch_cleanup_time = 0
         self.metadata_collection_name = "openai_vector_stores_metadata"
 
     async def initialize(self) -> None:

llama_stack/providers/remote/vector_io/pgvector/pgvector.py

@@ -354,6 +354,7 @@ class PGVectorVectorIOAdapter(OpenAIVectorStoreMixin, VectorIO, VectorDBsProtoco
         self.vector_db_store = None
         self.openai_vector_stores: dict[str, dict[str, Any]] = {}
         self.openai_file_batches: dict[str, dict[str, Any]] = {}
+        self._last_file_batch_cleanup_time = 0
         self.metadata_collection_name = "openai_vector_stores_metadata"
 
     async def initialize(self) -> None:

llama_stack/providers/remote/vector_io/qdrant/qdrant.py

@@ -171,6 +171,7 @@ class QdrantVectorIOAdapter(OpenAIVectorStoreMixin, VectorIO, VectorDBsProtocolP
         self.kvstore: KVStore | None = None
         self.openai_vector_stores: dict[str, dict[str, Any]] = {}
         self.openai_file_batches: dict[str, dict[str, Any]] = {}
+        self._last_file_batch_cleanup_time = 0
         self._qdrant_lock = asyncio.Lock()
 
     async def initialize(self) -> None:

llama_stack/providers/remote/vector_io/weaviate/weaviate.py

@@ -293,6 +293,7 @@ class WeaviateVectorIOAdapter(
         self.vector_db_store = None
         self.openai_vector_stores: dict[str, dict[str, Any]] = {}
         self.openai_file_batches: dict[str, dict[str, Any]] = {}
+        self._last_file_batch_cleanup_time = 0
         self.metadata_collection_name = "openai_vector_stores_metadata"
 
     def _get_client(self) -> weaviate.WeaviateClient:

llama_stack/providers/utils/memory/openai_vector_store_mixin.py

@@ -12,6 +12,8 @@ import uuid
 from abc import ABC, abstractmethod
 from typing import Any
 
+from pydantic import TypeAdapter
+
 from llama_stack.apis.common.errors import VectorStoreNotFoundError
 from llama_stack.apis.files import Files, OpenAIFileObject
 from llama_stack.apis.vector_dbs import VectorDB
@@ -50,6 +52,7 @@ logger = get_logger(name=__name__, category="providers::utils")
 
 # Constants for OpenAI vector stores
 CHUNK_MULTIPLIER = 5
+FILE_BATCH_CLEANUP_INTERVAL_SECONDS = 24 * 60 * 60  # 1 day in seconds
 
 VERSION = "v3"
 VECTOR_DBS_PREFIX = f"vector_dbs:{VERSION}::"
@@ -73,7 +76,7 @@ class OpenAIVectorStoreMixin(ABC):
     # KV store for persisting OpenAI vector store metadata
     kvstore: KVStore | None
     # Track last cleanup time to throttle cleanup operations
-    _last_cleanup_time: int
+    _last_file_batch_cleanup_time: int
 
     async def _save_openai_vector_store(self, store_id: str, store_info: dict[str, Any]) -> None:
         """Save vector store metadata to persistent storage."""
@@ -215,16 +218,6 @@ class OpenAIVectorStoreMixin(ABC):
         if expired_count > 0:
             logger.info(f"Cleaned up {expired_count} expired file batches")
 
-    async def _cleanup_expired_file_batches_if_needed(self) -> None:
-        """Run cleanup if enough time has passed since the last cleanup."""
-        current_time = int(time.time())
-        cleanup_interval = 24 * 60 * 60  # 1 day in seconds
-
-        if current_time - self._last_cleanup_time >= cleanup_interval:
-            logger.info("Running throttled cleanup of expired file batches")
-            await self._cleanup_expired_file_batches()
-            self._last_cleanup_time = current_time
-
     async def _resume_incomplete_batches(self) -> None:
         """Resume processing of incomplete file batches after server restart."""
         for batch_id, batch_info in self.openai_file_batches.items():
@@ -238,7 +231,7 @@ class OpenAIVectorStoreMixin(ABC):
         self.openai_vector_stores = await self._load_openai_vector_stores()
         self.openai_file_batches = await self._load_openai_vector_store_file_batches()
         await self._resume_incomplete_batches()
-        self._last_cleanup_time = 0
+        self._last_file_batch_cleanup_time = 0
 
     @abstractmethod
     async def delete_chunks(self, store_id: str, chunks_for_deletion: list[ChunkForDeletion]) -> None:
@@ -945,7 +938,11 @@ class OpenAIVectorStoreMixin(ABC):
         asyncio.create_task(self._process_file_batch_async(batch_id, batch_info))
 
         # Run cleanup if needed (throttled to once every 1 day)
-        asyncio.create_task(self._cleanup_expired_file_batches_if_needed())
+        current_time = int(time.time())
+        if current_time - self._last_file_batch_cleanup_time >= FILE_BATCH_CLEANUP_INTERVAL_SECONDS:
+            logger.info("Running throttled cleanup of expired file batches")
+            asyncio.create_task(self._cleanup_expired_file_batches())
+            self._last_file_batch_cleanup_time = current_time
 
         return batch_object
 
@@ -962,11 +959,10 @@ class OpenAIVectorStoreMixin(ABC):
 
         for file_id in file_ids:
             try:
-                chunking_strategy_obj = (
-                    VectorStoreChunkingStrategyStatic(**chunking_strategy)
-                    if chunking_strategy.get("type") == "static"
-                    else VectorStoreChunkingStrategyAuto(**chunking_strategy)
+                chunking_strategy_adapter: TypeAdapter[VectorStoreChunkingStrategy] = TypeAdapter(
+                    VectorStoreChunkingStrategy
                 )
+                chunking_strategy_obj = chunking_strategy_adapter.validate_python(chunking_strategy)
                 await self.openai_attach_file_to_vector_store(
                     vector_store_id=vector_store_id,
                     file_id=file_id,