install soname 'ha_cassandra';
select plugin_name,plugin_status,plugin_library from information_schema.plugins where plugin_name = 'cassandra';
plugin_name	plugin_status	plugin_library
CASSANDRA	ACTIVE	ha_cassandra.so
uninstall plugin cassandra;
select plugin_name,plugin_status,plugin_library from information_schema.plugins where plugin_name = 'cassandra';
plugin_name	plugin_status	plugin_library
install soname 'ha_cassandra';
select plugin_name,plugin_status,plugin_library from information_schema.plugins where plugin_name = 'cassandra';
plugin_name	plugin_status	plugin_library
CASSANDRA	ACTIVE	ha_cassandra.so
uninstall plugin cassandra;
select plugin_name,plugin_status,plugin_library from information_schema.plugins where plugin_name = 'cassandra';
plugin_name	plugin_status	plugin_library