How to change max_allowed_packet size

Question

I am having a problem with BLOB fields in my MySQL database - when uploading files larger than approx 1MB I get an error Packets larger than max_allowed_packet are not

Answer 1

Change in the my.ini or ~/.my.cnf file by including the single line under [mysqld] or [client] section in your file:

max_allowed_packet=500M

then restart the MySQL service and you are done.

See the documentation for further information.