Hot answers tagged shutdown
Ideally you can shutdown using /etc/init.d/mysqld stop I cannot add comments so requesting to post what do you see in error log when you do mysqladmin shutdown About kill commands please note that mysqld_safe is wrapper script which will start mysqld upon killing... so you should kill mysqld_safe first followed by mysqld. ( not a suggested way ...
this is surely a resources or limits problem. For the first check if you have RemoveIPC enabled (Man for login.conf If it does not solve, review the Database Quick Installation Guide in the sections Configuring Kernel Parameters and Resource Limits and Creating Required Operating System Groups and Users Regards Giova
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