关于ibtmp1 回收空间只有重启数据库了，有点坑啊 啊啊！

[root@raca1 data]# ls -lhtotal 7.6G-rw-r----- 1 mysql mysql 56 Jul 17 17:22 auto.cnf-rw-r----- 1 mysql mysql 142K Jul 18 16:56 ib_buffer_pool-rw-r----- 1 mysql mysql12M Jul 18 17:15 ibdata1-rw-r----- 1 mysql mysql32M Jul 18 17:15 ib_logfile0-rw-r----- 1 mysql mysql32M Jul 18 17:15 ib_logfile1-rw-r----- 1 mysql mysql32M Jul 18 17:15 ib_logfile2-rw-r----- 1 mysql mysql 5.7G Jul 18 17:15 ibtmp1drwxr-x--- 2 mysql mysql 4.0K Jul 17 17:22 mysql-rw-r----- 1 mysql mysql177 Jul 17 17:22 mysql-bin.000001-rw-r----- 1 mysql mysql 7.7K Jul 17 19:37 mysql-bin.000002-rw-r----- 1 mysql mysql479 Jul 17 19:49 mysql-bin.000003-rw-r----- 1 mysql mysql177 Jul 18 16:56 mysql-bin.000004-rw-r----- 1 mysql mysql432 Jul 18 17:15 mysql-bin.000005-rw-r----- 1 mysql mysql 95 Jul 18 16:57 mysql-bin.index-rw-r----- 1 mysql mysql5 Jul 18 16:57 mysql.piddrwxr-x--- 2 mysql mysql 4.0K Jul 17 17:22 performance_schemadrwxr-x--- 2 mysql mysql12K Jul 17 17:22 sysdrwxr-x--- 2 mysql mysql 4.0K Jul 17 18:20 test-rw-r----- 1 mysql mysql 556M Jul 18 17:15 undo001-rw-r----- 1 mysql mysql 1.1G Jul 18 17:15 undo002-rw-r----- 1 mysql mysql 228M Jul 18 17:15 undo003[root@raca1 data]# /usr/local/mysql/bin/mysql -uroot -pEnter password: Welcome to the MySQL monitor.Commands end with ; or \g.Your MySQL connection id is 4Server version: 5.7.19-log MySQL Community Server (GPL)Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> shutdown-> ;Query OK, 0 rows affected (0.01 sec)mysql> exitBye[root@raca1 data]# /usr/local/mysql/bin/mysqld_safe --defaults-file=/etc/my.cnf &[1] 11533[root@raca1 data]# 2018-07-18T09:23:59.089943Z mysqld_safe Logging to '/mysql/log/mysql-error.log'.2018-07-18T09:23:59.113955Z mysqld_safe Starting mysqld daemon with databases from /mysql/data[root@raca1 data]# [root@raca1 data]# ls -ltotal 2060504-rw-r----- 1 mysql mysql 56 Jul 17 17:22 auto.cnf-rw-r----- 1 mysql mysql 131100 Jul 18 17:23 ib_buffer_pool-rw-r----- 1 mysql mysql 12582912 Jul 18 17:23 ibdata1-rw-r----- 1 mysql mysql 33554432 Jul 18 17:23 ib_logfile0-rw-r----- 1 mysql mysql 33554432 Jul 18 17:24 ib_logfile1-rw-r----- 1 mysql mysql 33554432 Jul 18 17:15 ib_logfile2-rw-r----- 1 mysql mysql 12582912 Jul 18 17:23 ibtmp1drwxr-x--- 2 mysql mysql 4096 Jul 17 17:22 mysql-rw-r----- 1 mysql mysql177 Jul 17 17:22 mysql-bin.000001-rw-r----- 1 mysql mysql 7846 Jul 17 19:37 mysql-bin.000002-rw-r----- 1 mysql mysql479 Jul 17 19:49 mysql-bin.000003-rw-r----- 1 mysql mysql177 Jul 18 16:56 mysql-bin.000004-rw-r----- 1 mysql mysql455 Jul 18 17:23 mysql-bin.000005-rw-r----- 1 mysql mysql154 Jul 18 17:23 mysql-bin.000006-rw-r----- 1 mysql mysql114 Jul 18 17:23 mysql-bin.index-rw-r----- 1 mysql mysql6 Jul 18 17:23 mysql.piddrwxr-x--- 2 mysql mysql 4096 Jul 17 17:22 performance_schemadrwxr-x--- 2 mysql mysql12288 Jul 17 17:22 sysdrwxr-x--- 2 mysql mysql 4096 Jul 17 18:20 test-rw-r----- 1 mysql mysql583008256 Jul 18 17:23 undo001-rw-r----- 1 mysql mysql 1161822208 Jul 18 17:23 undo002-rw-r----- 1 mysql mysql239075328 Jul 18 17:23 undo003[root@raca1 data]# ls -lhtotal 2.0G-rw-r----- 1 mysql mysql 56 Jul 17 17:22 auto.cnf-rw-r----- 1 mysql mysql 129K Jul 18 17:23 ib_buffer_pool-rw-r----- 1 mysql mysql12M Jul 18 17:24 ibdata1-rw-r----- 1 mysql mysql32M Jul 18 17:24 ib_logfile0-rw-r----- 1 mysql mysql32M Jul 18 17:24 ib_logfile1-rw-r----- 1 mysql mysql32M Jul 18 17:15 ib_logfile2-rw-r----- 1 mysql mysql12M Jul 18 17:24 ibtmp1drwxr-x--- 2 mysql mysql 4.0K Jul 17 17:22 mysql-rw-r----- 1 mysql mysql177 Jul 17 17:22 mysql-bin.000001-rw-r----- 1 mysql mysql 7.7K Jul 17 19:37 mysql-bin.000002-rw-r----- 1 mysql mysql479 Jul 17 19:49 mysql-bin.000003-rw-r----- 1 mysql mysql177 Jul 18 16:56 mysql-bin.000004-rw-r----- 1 mysql mysql455 Jul 18 17:23 mysql-bin.000005-rw-r----- 1 mysql mysql154 Jul 18 17:23 mysql-bin.000006-rw-r----- 1 mysql mysql114 Jul 18 17:23 mysql-bin.index-rw-r----- 1 mysql mysql6 Jul 18 17:23 mysql.piddrwxr-x--- 2 mysql mysql 4.0K Jul 17 17:22 performance_schemadrwxr-x--- 2 mysql mysql12K Jul 17 17:22 sysdrwxr-x--- 2 mysql mysql 4.0K Jul 17 18:20 test-rw-r----- 1 mysql mysql 556M Jul 18 17:23 undo001-rw-r----- 1 mysql mysql 1.1G Jul 18 17:23 undo002-rw-r----- 1 mysql mysql 228M Jul 18 17:23 undo003[root@raca1 data]#