Lalit Pagaria 465ccbc12e
Allow multiple write calls to existing FAISS index. (#422)
- Fixing issue when update_embeddings always create new FAISS index instead of clearing existing one. New index creation may not free existing used memory and cause memory leak.

Co-authored-by: Malte Pietsch <malte.pietsch@deepset.ai>
2020-10-05 12:01:20 +02:00
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