隔几分钟不操作，再请求数据库就报错2013, 'Lost connection to MySQL server during query，是怎么回事

[zhaoxingmin]

[fufuok]

在 secret_settings.py 配置中, 有这么一段:

SQLALCHEMY_ENGINE_OPTIONS = {
    'pool_recycle': 3599,
    'pool_size': 100
}

让 pool_recycle 的值小于您 MySQL 中 SHOW GLOBAL VARIABLES LIKE "wait_timeout"; 设置的值即可. 希望能帮到您.

Ref: https://flask-sqlalchemy.palletsprojects.com/en/2.x/config/#timeouts