change embedding model

app.py

@@ -159,8 +159,8 @@ class UploadDoc:
     
         return documents
     
-def split_docs(documents,chunk_size=1000):
-    text_splitter = RecursiveCharacterTextSplitter(chunk_size=chunk_size, chunk_overlap=200)
+def split_docs(documents,chunk_size=500):
+    text_splitter = RecursiveCharacterTextSplitter(chunk_size=chunk_size, chunk_overlap=100)
     sp_docs = text_splitter.split_documents(documents)
     return sp_docs
 
@@ -199,7 +199,7 @@ def set_custom_prompt():
 
 @st.cache_resource
 def load_embeddings():
-    embeddings = HuggingFaceEmbeddings(model_name = "thenlper/gte-small",
+    embeddings = HuggingFaceEmbeddings(model_name = "all-MiniLM-L6-v2",
                                        model_kwargs = {'device': 'cpu'})
     return embeddings