[Bug]: failed to flush collection

[rationalga]

Is there an existing issue for this?

• I have searched the existing issues

Describe the bug

During insertion of embeddings in collection, I encounter the following error after a while.
The index type is: DiskANN

ERROR:pymilvus.decorators:RPC error: [flush], <MilvusException: (code=65535, message=failed to flush collection 448693028345084105: etcdserver: request timed out)>, <Time:{'RPC start': '2024-04-30 14:56:29.043540', 'RPC error': '2024-04-30 14:56:36.047145'}>

Expected Behavior

No response

Steps/Code To Reproduce behavior

No response

Environment details

- Hardware/Softward conditions (OS, CPU, GPU, Memory): Ubuntu: 23.04
- Method of installation (Docker, or from source): Docker
- Milvus version: milvus:v2.3.5 
- Pymivus version: 2.3.4
- Milvus configuration (Settings you made in `server_config.yaml`):   
  gc:
    interval: 600 #every 10 minutes 
I set the gc interval to every 10 minutes to limit the excessive usage of hard disk.

Anything else?

No response

[rationalga]

By changing the interval from 10 to 20 minutes solved the issue for me. Thank you.