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2025-09-17 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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Http://dev.mysql.com/doc/refman/5.7/en/innodb-memcached.html
I. Test environment
Mysql:5.7.15
Centos:6.6_x86_64
II. Installation and deployment
1. Install libevent
# yum install libevent-y
two。 Perform configuration sql
# find /-name innodb_memcached_config.sql
(root@localhost) [(none)] > source / usr/share/mysql/innodb_memcached_config.sql
3. Load plug-in
(root@localhost) [test] > INSTALL PLUGIN daemon_memcached soname "libmemcached.so"
III. Testing
1. Table generated by default
(root@localhost) [test] > show tables
+-+
| | Tables_in_test |
+-+
| | demo_test |
+-+
1 row in set (0.00 sec)
two。 Table structure
(root@localhost) [test] > show create table demo_test\ G
* * 1. Row *
Table: demo_test
Create Table: CREATE TABLE `demo_ test` (
`c1` varchar (32) NOT NULL
`c2` varchar (1024) DEFAULT NULL
`c3` int (11) DEFAULT NULL
`c4` bigint (20) unsigned DEFAULT NULL
`c5` int (11) DEFAULT NULL
PRIMARY KEY (`c1`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8
1 row in set (0.00 sec)
ERROR:
No query specified
3. Table data
(root@localhost) [test] > select * from demo_test
+-- +
| | C1 | c2 | c3 | c4 | c5 |
+-- +
| | AA | HELLO, HELLO | 8 | 0 | 0 | |
+-- +
1 row in set (0.00 sec)
4. Generate database
(root@localhost) [test] > show databases
+-+
| | Database |
+-+
| | information_schema |
| | innodb_memcache |-- newly generated |
| | mysql |
| | performance_schema |
| | test |
+-+
5. Newly generated table
(root@localhost) [test] > use innodb_memcache
Database changed
(root@localhost) [innodb_memcache] > show tables
+-+
| | Tables_in_innodb_memcache |
+-+
| | cache_policies |
| | config_options |
| | containers |
+-+
6. Table structure and content
(root@localhost) [innodb_memcache] > select * from containers\ G
* * 1. Row *
Name: aaa
Db_schema: test
Db_table: demo_test
Key_columns: c1
Value_columns: c2
Flags: c3
Cas_column: c4
Expire_time_column: c5
Unique_idx_name_on_key: PRIMARY
1 row in set (0.00 sec)
ERROR:
No query specified
7.memcache default port 11211, which can be modified
[root@mysql5 ~] # netstat-antp | grep 11211
Tcp 0 0 0.0.0.0 11211 0.0.0.015 * LISTEN 4241/mysqld
Tcp 0 0: 11211: * LISTEN 4241/mysqld
8. Install test commands
# yum install telnet nc
9. Use telnet to read and write
[root@mysql5 ~] # telnet localhost 11211
Trying:: 1...
Connected to localhost.
Escape character is'^]'.
Get AA
VALUE AA 8 12
HELLO, HELLO
END
Set BB 10 0 16
GOODBYE, GOODBYE
STORED
10. Verify that the data is modified
(root@localhost) [test] > select * from demo_test
+-- +
| | C1 | c2 | c3 | c4 | c5 |
+-- +
| | AA | HELLO, HELLO | 8 | 0 | 0 | |
| | BB | GOODBYE, GOODBYE | 10 | 1 | 0 |-data has been modified |
+-- +
Specific theory, look at the official documents.
Http://dev.mysql.com/doc/refman/5.7/en/innodb-memcached.html
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