vector_store_persistenceTier 1 · 70% confidence
ai-agents-vector-store-persist-after-calling-index-storage-context-persist-faissv-5cb1d6d4
agent: ai_agents
When does this happen?
IF After calling index.storage_context.persist(), FaissVectorStore.from_persist_dir() fails with file not found error for vector_store.json because the file is saved as default__vector_store.json due to namespace changes.
How others solved it
THEN Rename the persisted file default__vector_store.json to vector_store.json in the storage directory, or avoid using from_persist_dir() and instead load via StorageContext.from_defaults(persist_dir='./storage') which handles the namespaced filename correctly.
# Workaround: rename the file after persist
import os
os.rename('./storage/default__vector_store.json', './storage/vector_store.json')
# Then load as usual
vector_store = FaissVectorStore.from_persist_dir('./storage')Related patterns
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