# jedis-demo

**Repository Path**: wangzhe_spring/jedis-demo

## Basic Information

- **Project Name**: jedis-demo
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2020-11-26
- **Last Updated**: 2020-12-19

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

## 搭建Redis集群

下载安装包

```shell
wget https://download.redis.io/releases/redis-5.0.5.tar.gz
tar -zxf redis-5.0.5.tar.gz 
cd redis-5.0.5/
```

准备编译环境

```shell
yum -y install gcc gcc-c++ libstdc++-devel
```

编译

```shell
make install PREFIX=/root/redis-master1 MALLOC=libc
```

复制配置文件

```shell
cp /root/redis-5.0.5/redis.conf /root/redis-master1/bin
```

将master1复制到master2、master3、slaver1、slaver2、slaver3

```shell
cp -r /root/redis-master1/ /root/redis-master2
cp -r /root/redis-master1/ /root/redis-master3
cp -r /root/redis-master1/ /root/redis-slaver1
cp -r /root/redis-master1/ /root/redis-slaver2
cp -r /root/redis-master1/ /root/redis-slaver3
```

修改配置

```shell
cd /root/redis-master1/bin/
vim redis.conf
# 修改端口
port 6379
# 注释访问限制
# bind 127.0.0.1
# 关闭保护模式
protected-mode no
# 将`daemonize`由`no`改为`yes`
deamonize yes
# 将`cluster-enable`由`no`改为`yes`
cluster-enable yes
```

```shell
cd /root/redis-master2/bin/
vim redis.conf
# 修改端口
port 6479
# 注释访问限制
# bind 127.0.0.1
# 关闭保护模式
protected-mode no
# 将`daemonize`由`no`改为`yes`
deamonize yes
# 将`cluster-enable`由`no`改为`yes`
cluster-enable yes
```

```shell
cd /root/redis-master3/bin/
vim redis.conf
# 修改端口
port 6579
# 注释访问限制
# bind 127.0.0.1
# 关闭保护模式
protected-mode no
# 将`daemonize`由`no`改为`yes`
deamonize yes
# 将`cluster-enable`由`no`改为`yes`
cluster-enable yes
```

```shell
cd /root/redis-slaver1/bin/
vim redis.conf
# 修改端口
port 6380
# 注释访问限制
# bind 127.0.0.1
# 关闭保护模式
protected-mode no
# 将`daemonize`由`no`改为`yes`
deamonize yes
# 将`cluster-enable`由`no`改为`yes`
cluster-enable yes
```

```shell
cd /root/redis-slaver2/bin/
vim redis.conf
# 修改端口
port 6480
# 注释访问限制
# bind 127.0.0.1
# 关闭保护模式
protected-mode no
# 将`daemonize`由`no`改为`yes`
deamonize yes
# 将`cluster-enable`由`no`改为`yes`
cluster-enable yes
```

```shell
cd /root/redis-slaver3/bin/
vim redis.conf
# 修改端口
port 6580
# 注释访问限制
# bind 127.0.0.1
# 关闭保护模式
protected-mode no
# 将`daemonize`由`no`改为`yes`
deamonize yes
# 将`cluster-enable`由`no`改为`yes`
cluster-enable yes
```

启动redis

```shell
cd /root/redis-master1/bin/
./redis-server redis.conf
cd /root/redis-master2/bin/
./redis-server redis.conf
cd /root/redis-master3/bin/
./redis-server redis.conf
cd /root/redis-slaver1/bin/
./redis-server redis.conf
cd /root/redis-slaver2/bin/
./redis-server redis.conf
cd /root/redis-slaver3/bin/
./redis-server redis.conf
```

创建redis集群

```shell
./redis-cli --cluster create 192.168.42.167:6379 192.168.42.167:6479 192.168.42.167:6579 192.168.42.167:6380 192.168.42.167:6480 192.168.42.167:6580 --cluster-replicas 1
```

```
[root@localhost bin]# ./redis-cli --cluster create 192.168.42.167:6379 192.168.42.167:6479 192.168.42.167:6579 192.168.42.167:6380 192.168.42.167:6480 192.168.42.167:6580 --cluster-replicas 1
>>> Performing hash slots allocation on 6 nodes...
Master[0] -> Slots 0 - 5460
Master[1] -> Slots 5461 - 10922
Master[2] -> Slots 10923 - 16383
Adding replica 192.168.42.167:6480 to 192.168.42.167:6379
Adding replica 192.168.42.167:6580 to 192.168.42.167:6479
Adding replica 192.168.42.167:6380 to 192.168.42.167:6579
>>> Trying to optimize slaves allocation for anti-affinity
[WARNING] Some slaves are in the same host as their master
M: 49fa4d94f96d8f83edfaac9946e720cf4c186d24 192.168.42.167:6379
   slots:[0-5460] (5461 slots) master
M: 3300be03f2ac597e801abbd4d30e701d86c35c96 192.168.42.167:6479
   slots:[5461-10922] (5462 slots) master
M: 7f863fb65c6dfd03d11d85c4bf4f2e9625616b43 192.168.42.167:6579
   slots:[10923-16383] (5461 slots) master
S: 6fd4ab08c34101eb875ecf707080cc2a68387621 192.168.42.167:6380
   replicates 7f863fb65c6dfd03d11d85c4bf4f2e9625616b43
S: 3a3ba0fc11acf0b3009a28c34a24b684add55038 192.168.42.167:6480
   replicates 49fa4d94f96d8f83edfaac9946e720cf4c186d24
S: 2d7184c7f92e06469603b428ac7807a20e2a8d03 192.168.42.167:6580
   replicates 3300be03f2ac597e801abbd4d30e701d86c35c96
Can I set the above configuration? (type 'yes' to accept): yes
>>> Nodes configuration updated
>>> Assign a different config epoch to each node
>>> Sending CLUSTER MEET messages to join the cluster
Waiting for the cluster to join
....
>>> Performing Cluster Check (using node 192.168.42.167:6379)
M: 49fa4d94f96d8f83edfaac9946e720cf4c186d24 192.168.42.167:6379
   slots:[0-5460] (5461 slots) master
   1 additional replica(s)
S: 6fd4ab08c34101eb875ecf707080cc2a68387621 192.168.42.167:6380
   slots: (0 slots) slave
   replicates 7f863fb65c6dfd03d11d85c4bf4f2e9625616b43
S: 2d7184c7f92e06469603b428ac7807a20e2a8d03 192.168.42.167:6580
   slots: (0 slots) slave
   replicates 3300be03f2ac597e801abbd4d30e701d86c35c96
S: 3a3ba0fc11acf0b3009a28c34a24b684add55038 192.168.42.167:6480
   slots: (0 slots) slave
   replicates 49fa4d94f96d8f83edfaac9946e720cf4c186d24
M: 3300be03f2ac597e801abbd4d30e701d86c35c96 192.168.42.167:6479
   slots:[5461-10922] (5462 slots) master
   1 additional replica(s)
M: 7f863fb65c6dfd03d11d85c4bf4f2e9625616b43 192.168.42.167:6579
   slots:[10923-16383] (5461 slots) master
   1 additional replica(s)
[OK] All nodes agree about slots configuration.
>>> Check for open slots...
>>> Check slots coverage...
[OK] All 16384 slots covered.
```

扩容

```shell
# 复制,注：/var/redis-master1/路径下是一个刚编译好的redis，该节点未启动过，干净节点
cp -r /var/redis-master1/ /root/redis-master4
cp -r /var/redis-master1/ /root/redis-slaver4
# 修改配置,master4端口号修改为6679，slaver4端口号修改为6680
vim /root/redis-master4/bin/redis.conf
vim /root/redis-slaver4/bin/redis.conf
# 启动master4和slaver4
cd /root/redis-master4/bin/
./redis-server redis.conf
cd /root/redis-slaver4/bin/
./redis-server redis.conf
```

```shell
# 添加主节点
./redis-cli --cluster add-node 192.168.42.167:6679 192.168.42.167:6379
```

```shell
# 重新分配槽
./redis-cli --cluster reshard 192.168.42.167:6679
# 依次输入 3000 354047330919579651073074385fa411863fa592 all yes
# 为master4分配3000个槽
```

```shell
# 添加从节点
./redis-cli --cluster add-node 192.168.42.167:6680 192.168.42.167:6679 --cluster-slave --cluster-master-id 354047330919579651073074385fa411863fa592
```