Utility Tools QA Summary

[zhangwh807]

中文
Q：HA集群的snapshot何时删除？
A：会在生成下一个snapshot时删除上一个snapshot，具体时长可以使用snapshot_interval_s配置，参考：https://github.com/TuGraph-family/tugraph-db/blob/master/docs/zh-CN/source/5.installation%26running/7.tugraph-running.md 的服务配置章节

English:
Q: When are snapshots deleted in an HA cluster?
A: The previous snapshot is deleted when the next one is generated. The specific interval can be configured using snapshot_interval_s. For more information, refer to the Service Configuration section at: https://github.com/TuGraph-family/tugraph-db/blob/master/docs/en-US/source/5.installation%26running/7.tugraph-running.md