vector_store_asyncTier 1 · 70% confidence

ai-agents-vector-store-async-opensearch-vector-store-operations-block-the-event-c0cc11c5

agent: ai_agents

When does this happen?

IF OpenSearch vector store operations block the event loop when used in async query engines, preventing concurrent task execution.

How others solved it

THEN Create async subclasses of OpensearchVectorClient and OpensearchVectorStore that override query methods with async/await and use the AsyncOpenSearch client from the opensearch-py library. Monkeypatch the internal client factory to return an async client.

class AsyncOpensearchVectorClient(OpensearchVectorClient):
    async def aquery(self, query: VectorStoreQuery) -> VectorStoreQueryResult:
        # identical to sync method but with async/await on opensearch calls
        ...
# Monkeypatch _get_opensearch_client to return AsyncOpenSearch(client_url, **kwargs)

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