报错
在5.1->5.6升级过程中，执行upgrade之后产生如下报错
代码语言：javascript复制[root@upgrade-slave ~]# time mysql_upgrade -u root -p
Enter password:
Looking for 'mysql' as: mysql
Looking for 'mysqlcheck' as: mysqlcheck
Running 'mysqlcheck' with connection arguments: '--port=3306' '--socket=/var/lib/mysql/mysql.sock'
Warning: Using a password on the command line interface can be insecure.
Running 'mysqlcheck' with connection arguments: '--port=3306' '--socket=/var/lib/mysql/mysql.sock'
Warning: Using a password on the command line interface can be insecure.
mysql.columns_priv OK
mysql.db OK
mysql.event OK
mysql.func OK
mysql.general_log
Error : Can't get stat of './mysql/general_log.CSV' (Errcode: 2 - No such file or directory)
Error : Out of memory; check if mysqld or some other process uses all available memory; if not, you may have to use 'ulimit' to allow mysqld to use more memory or you can add more swap space
error : Corrupt
mysql.help_category OK
mysql.help_keyword OK
mysql.help_relation OK
mysql.help_topic OK
mysql.host OK
mysql.innodb_index_stats OK
mysql.innodb_table_stats OK
mysql.ndb_binlog_index OK
mysql.plugin OK
mysql.proc OK
mysql.procs_priv OK
mysql.proxies_priv OK
mysql.servers OK
mysql.slave_master_info OK
mysql.slave_relay_log_info OK
mysql.slave_worker_info OK
mysql.slow_log OK
mysql.tables_priv OK
mysql.time_zone OK
mysql.time_zone_leap_second OK
mysql.time_zone_name OK
mysql.time_zone_transition OK
mysql.time_zone_transition_type OK
mysql.user OK
Repairing tables
mysql.general_log
Error : Can't get stat of './mysql/general_log.CSV' (Errcode: 2 - No such file or directory)
Error : Out of memory; check if mysqld or some other process uses all available memory; if not, you may have to use 'ulimit' to allow mysqld to use more memory or you can add more swap space
error : Corrupt
Running 'mysql_fix_privilege_tables'...
Warning: Using a password on the command line interface can be insecure.
ERROR 13 (HY000) at line 25: Can't get stat of './mysql/general_log.CSV' (Errcode: 2 - No such file or directory)
ERROR 1243 (HY000) at line 26: Unknown prepared statement handler (stmt) given to EXECUTE
ERROR 1243 (HY000) at line 27: Unknown prepared statement handler (stmt) given to DEALLOCATE PREPARE
ERROR 13 (HY000) at line 1591: Can't get stat of './mysql/general_log.CSV' (Errcode: 2 - No such file or directory)
ERROR 13 (HY000) at line 1598: Can't get stat of './mysql/general_log.CSV' (Errcode: 2 - No such file or directory)
FATAL ERROR: Upgrade failed
real 0m5.161s
user 0m0.051s
sys 0m0.049s
[root@upgrade-slave ~]# 
