Solutions for unexplained downtime of MySQL services

As shown in the figure below , Every morning MySQL（5.7 edition ） The service will stop automatically , Then you need to restart manually to run normally .

 

So I looked at it Windows System logs , Found that at more than three o'clock in the morning every day MySQL The service will report an error , And then automatically stop . The error message is shown in the figure below ：

 

Search information online , Say the buffer is too small , You need to change the configuration parameters of the buffer size , So I found my.ini file .

 

find innodb_buffer_pool_size Parameters , The original value was zero 8M, Change it to 1024M

 

After modification ：

 

  preservation , And then restart MySQL service .

Check the service operation the next day , It is found that the operation is normal , No more downtime , Problem solving .

Reference article ：

MySql Reasons for downtime for no reason