MySQL server has gone away

Solution 1:

/applications/MAMP/library/bin/mysql -u [db_user] -p [db_name] -f --max_allowed_packet=2147483648

Solution 2:

/applications/MAMP/library/bin/mysql mysql -u root -p

> SET GLOBAL max_allowed_packet=134217728;

El valor se coloca en bytes.

134217728 = 128MB

ó

1073741824 = 1GB