验证redis的主从复制

1.1 修改配置文件

[root@ractdg3 redis-2.8.4]# cp redis.conf redis_master.conf

[root@ractdg3 redis-2.8.4]# cp redis.conf redis_slave.conf

[root@ractdg3 redis-2.8.4]# vi redis_slave.conf

从属服务器设置端口及主服务器端口：

port 6380

slaveof localhost 6379

1.2 启动主从服务器：

[root@ractdg3 redis-2.8.4]# src/redis-server redis_master.conf &

[root@ractdg3 redis-2.8.4]# src/redis-server redis_slave.conf &

[2] 32729

[root@ractdg3 redis-2.8.4]# [32729] 23 Jan 10:05:33.496 # Warning: 32 bit instance detected but no memory limit set. Setting 3 GB maxmemory limit with 'noeviction' policy now.

_._

_.-``__ ''-._

_.-`` `. `_. ''-._ Redis 2.8.4 (00000000/0) 32 bit

.-`` .-```. ```\/ _.,_ ''-._

( ' , .-` | `, ) Running in stand alone mode

|`-._`-...-` __...-.``-._|'` _.-'| Port: 6380

| `-._ `._ / _.-' | PID: 32729

`-._ `-._ `-./ _.-' _.-'

|`-._`-._ `-.__.-' _.-'_.-'|

| `-._`-._ _.-'_.-' | http://redis.io
`-._ `-._`-.__.-'_.-' _.-'

|`-._`-._ `-.__.-' _.-'_.-'|

| `-._`-._ _.-'_.-' |

`-._ `-._`-.__.-'_.-' _.-'

`-._ `-.__.-' _.-'

`-._ _.-'

`-.__.-'

[32729] 23 Jan 10:05:33.498 # Server started, Redis version 2.8.4

[32729] 23 Jan 10:05:33.499 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1'
for this to take effect.

[32729] 23 Jan 10:05:33.500 * DB loaded from disk: 0.001 seconds

[32729] 23 Jan 10:05:33.500 * The server is now ready to accept connections on port 6380

[32729] 23 Jan 10:05:34.495 * Connecting to MASTER localhost:6379

[32729] 23 Jan 10:05:34.498 * MASTER <-> SLAVE sync started

[32729] 23 Jan 10:05:34.498 * Non blocking connect for SYNC fired the event.

[32729] 23 Jan 10:05:34.498 * Master replied to PING, replication can continue...

[32729] 23 Jan 10:05:34.499 * Partial resynchronization not possible (no cached master)

[32726] 23 Jan 10:05:34.500 * Slave asks for synchronization

[32726] 23 Jan 10:05:34.500 * Full resync requested by slave.

[32726] 23 Jan 10:05:34.500 * Starting BGSAVE for SYNC

[32729] 23 Jan 10:05:34.500 * Full resync from master: 9a6eceefa217f57f5a9c99e6af494a997b871d47:1

[32726] 23 Jan 10:05:34.503 * Background saving started by pid 32735

[32735] 23 Jan 10:05:34.511 * DB saved on disk

[32735] 23 Jan 10:05:34.512 * RDB: 0 MB of memory used by copy-on-write

[32726] 23 Jan 10:05:34.585 * Background saving terminated with success

[32726] 23 Jan 10:05:34.586 * Synchronization with slave succeeded

[32729] 23 Jan 10:05:34.586 * MASTER <-> SLAVE sync: receiving 675 bytes from master

[32729] 23 Jan 10:05:34.587 * MASTER <-> SLAVE sync: Flushing old data

[32729] 23 Jan 10:05:34.587 * MASTER <-> SLAVE sync: Loading DB in memory

[32729] 23 Jan 10:05:34.588 * MASTER <-> SLAVE sync: Finished with success

[root@ractdg3 redis-2.8.4]# ps aux|grep redis

root 32726 0.0 0.0 33820 1948 pts/3 Sl 10:05 0:00 src/redis-server *:6379

root 32729 0.1 0.0 33868 2004 pts/3 Sl 10:05 0:00 src/redis-server *:6380

root 32740 0.0 0.0 4264 696 pts/3 S+ 10:05 0:00 grep redis

[root@ractdg3 redis-2.8.4]#

1.3 在主服务器赋值

[oracle@ractdg3 src]$ telnet localhost 6379

Trying 127.0.0.1...

Connected to localhost.localdomain (127.0.0.1).

Escape character is '^]'.

rpush data 1

:1

lrange data 0 -1

*1

$1

1

set name tang

+OK

get name

$4

tang

1.4 在从服务器测试数据

[root@ractdg3 redis-2.8.4]# telnet localhost 6380

Trying 127.0.0.1...

Connected to localhost.localdomain (127.0.0.1).

Escape character is '^]'.

[32726] 23 Jan 10:49:56.273 * 1 changes in 900 seconds. Saving...

[32729] 23 Jan 10:49:56.273 * 1 changes in 900 seconds. Saving...

[32729] 23 Jan 10:49:56.327 * Background saving started by pid 1185

[32726] 23 Jan 10:49:56.333 * Background saving started by pid 1184

[1184] 23 Jan 10:49:56.344 * DB saved on disk

[1185] 23 Jan 10:49:56.344 * DB saved on disk

[1184] 23 Jan 10:49:56.346 * RDB: 0 MB of memory used by copy-on-write

[1185] 23 Jan 10:49:56.347 * RDB: 0 MB of memory used by copy-on-write

[32729] 23 Jan 10:49:56.429 * Background saving terminated with success

[32726] 23 Jan 10:49:56.433 * Background saving terminated with success

lrange data 0 -1

*1

$1

1

get name

$4

tang

可以看到，数据已在从服务器中访问成功。