mysql> show engines;
ERROR 2006 (HY000): MySQL server has gone away
No connection. Trying to reconnect...
Connection id: 5
Current database: *** NONE ***
+--------------------+---------+----------------------------------------------------------------------------+--------------+------+------------+
| Engine | Support | Comment | Transactions | XA | Savepoints |
+--------------------+---------+----------------------------------------------------------------------------+--------------+------+------------+
| PERFORMANCE_SCHEMA | YES | Performance Schema | NO | NO | NO |
| MRG_MYISAM | YES | Collection of identical MyISAM tables | NO | NO | NO |
| CSV | YES | CSV storage engine | NO | NO | NO |
| BLACKHOLE | YES | /dev/null storage engine (anything you write to it disappears) | NO | NO | NO |
| InnoDB | DEFAULT | Percona-XtraDB, Supports transactions, row-level locking, and foreign keys | YES | YES | YES |
| MEMORY | YES | Hash based, stored in memory, useful for temporary tables | NO | NO | NO |
| ARCHIVE | YES | Archive storage engine | NO | NO | NO |
| MyISAM | YES | MyISAM storage engine | NO | NO | NO |
| FEDERATED | NO | Federated MySQL storage engine | NULL | NULL | NULL |
+--------------------+---------+----------------------------------------------------------------------------+--------------+------+------------+
9 rows in set (0.00 sec)
mysql> show plugins;
....
....
| TokuDB_background_job_status | ACTIVE | INFORMATION SCHEMA | ha_tokudb.so | GPL |
| TokuDB_file_map | ACTIVE | INFORMATION SCHEMA | ha_tokudb.so | GPL |
| TokuDB_fractal_tree_block_map | ACTIVE | INFORMATION SCHEMA | ha_tokudb.so | GPL |
| TokuDB_fractal_tree_info | ACTIVE | INFORMATION SCHEMA | ha_tokudb.so | GPL |
| TokuDB_locks | ACTIVE | INFORMATION SCHEMA | ha_tokudb.so | GPL |
| TokuDB_lock_waits | ACTIVE | INFORMATION SCHEMA | ha_tokudb.so | GPL |
| TokuDB_trx | ACTIVE | INFORMATION SCHEMA | ha_tokudb.so | GPL |
| validate_password | ACTIVE | VALIDATE PASSWORD | validate_password.so | GPL |
+-------------------------------+----------+--------------------+----------------------+---------+
mysql> INSTALL PLUGIN tokudb SONAME 'ha_tokudb.so';
ERROR 2013 (HY000): Lost connection to MySQL server during query
mysql> INSTALL PLUGIN tokudb_file_map SONAME 'ha_tokudb.so';
ERROR 2006 (HY000): MySQL server has gone away
No connection. Trying to reconnect...
Connection id: 4
Current database: *** NONE ***
ERROR 1125 (HY000): Function 'tokudb_file_map' already exists
ERROR 2013 (HY000): Lost connection to MySQL server during query
HiJen
commented
5 years ago