Results 290 comments of groot

The fix pr is: [Remove collection after GC finished](https://github.com/milvus-io/milvus/pull/21671)

Every time I run the script, always encounter unexpected results like this: ``` ...... {'id': 9594, 'distance': 69.77268981933594, 'entity': {}} {'id': 1656, 'distance': 71.5377197265625, 'entity': {}} The result of No.14...

Both float32 and float16 have similar problem: ``` import random import numpy as np from pymilvus import ( connections, utility, FieldSchema, CollectionSchema, DataType, Collection, ) index_params_ivf={"index_type": "IVF_FLAT", "params": {"nlist": 128},...