Clean up corpus analysis and add new features

app/corpora/events.py

@@ -43,7 +43,7 @@ def corpus_analysis_query(query):
             response = {'code': 1}
             socketio.emit('corpus_analysis_query', response, room=request.sid)
     else:
-        chunk_size = 500
+        chunk_size = 100
         chunk_start = 0
         context = 100
         while chunk_start < client.match_count: