A卍

kvrocks During a 10-minute stress test, the master node became unavailable and reported an error. E20240808 16:57:31.393215 14244 replication.cc:146] Write error while sending batch to slave: Connection reset by peer. batches:

1

### Search before asking - [X] I had searched in the [issues](https://github.com/apache/kvrocks/issues) and found no similar issues. ### Version 1、kvrocks version 2.7.0 Node specifications 16C32G 10 Sharding 3Replica worker 8...

After the cluster expansion completes the slot migration, the total dbsize value of all shard master nodes is greater than the value before the expansion

6

### Search before asking - [X] I had searched in the [issues](https://github.com/apache/kvrocks/issues) and found no similar issues. ### Version v2.9.0 ### Minimal reproduce step 1、kvrocks version：v2.9.0 2、init env：3 shard，One master...