·聲明
1，已官網中文教程為基礎，邊看邊學，結合環境現狀搭建。
2，哥對Ruby不熱愛、不熟悉、不感冒，所述內容如有疑義請諒解。
3，3.0官說集群還在測試中，其實用用也還算馬馬虎虎，對外集群API真心少，望有識之士能夠出力。
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·準備材料
VM9，CentOS 6.4_x86_64（2.6+），SecureCRT，CentOS-6.4-x86_64-bin-DVD1.iso
redis官網：redis-3.0.0-beta1.tar.gz
ruby官網：rubygems-2.0.7.zip
rubygem官網：redis-3.0.7.gem
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·下鍋
1，把一些基礎包裝一下，后面會用到
service iptables stop
放入DVD1-
yum install –y gcc*
yum install –y ruby
yum install –y ruby-rdoc
2，裝redis
tar -xvf redis-3.0.0-beta1.tar.gz
cd redis-3.0.0-beta
make
make install
ll /usr/local/bin
3，配置集群（假定 $REDIS_HOME=/root/soft/redis，就像ORACLE_HOME一樣）
cd $REDIS_HOME
mkdir cluster-test
cd cluster-test
mkdir 7000 7001 7002 7003 7004 7005
vim redis.conf，修改內容如下：
port 7000 個性化
cluster-
enabled yes
cluster
-config-file nodes.
7000
.conf 個性化
cluster
-node-timeout
5000
appendonly yes
appendfilename
"
appendonly.7000.aof
"
個性化
deamonize yes
pidfile 個性化
log 個性化
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cp ../redis.conf ./7000
cp ../redis.conf ./7001
cp ../redis.conf ./7002
cp ../redis.conf ./7003
cp ../redis.conf ./7004
cp ../redis.conf ./7005
cp /usr/local/bin/redis-server ./7000
cp /usr/local/bin/redis-server ./7001
cp /usr/local/bin/redis-server ./7002
cp /usr/local/bin/redis-server ./7003
cp /usr/local/bin/redis-server ./7004
cp /usr/local/bin/redis-server ./7005
/root/soft/redis/cluster-test/redis-server /root/soft/redis/cluster-test/7000/redis.conf
/root/soft/redis/cluster-test/redis-server /root/soft/redis/cluster-test/7001/redis.conf
/root/soft/redis/cluster-test/redis-server /root/soft/redis/cluster-test/7002/redis.conf
/root/soft/redis/cluster-test/redis-server /root/soft/redis/cluster-test/7003/redis.conf
/root/soft/redis/cluster-test/redis-server /root/soft/redis/cluster-test/7004/redis.conf
/root/soft/redis/cluster-test/redis-server /root/soft/redis/cluster-test/7005/redis.conf
如果需要看一看：ps –ef|grep redis
如果需要殺一殺：ps -ef|grep redis|egrep -v grep|awk -F ' ' '{print $2}'|xargs kill -9
4，配置ruby集群腳本
cd /root/soft/rubygems
ruby setup.rb
到redis-3.0.7.gem路徑下
gem install -l redis（不用L的話，走ruby官網，95%被WALL，你懂得，自己改source吧）
./redis-trib.rb create --replicas 1 127.0.0.1:7000 127.0.0.1:7002 127.0.0.3:7003 127.0.0.1:7004 127.0.0.1:7005 127.0.0.1:7005（半路記得“yes"一下）
>>>
Creating cluster
Connecting to node
127.0
.
0.1
:
7000
: OK
Connecting to node
127.0
.
0.1
:
7001
: OK
Connecting to node
127.0
.
0.1
:
7002
: OK
Connecting to node
127.0
.
0.1
:
7003
: OK
Connecting to node
127.0
.
0.1
:
7004
: OK
Connecting to node
127.0
.
0.1
:
7005
: OK
>>> Performing hash slots allocation on
6
nodes...
Using
3
masters:
127.0
.
0.1
:
7000
127.0
.
0.1
:
7001
127.0
.
0.1
:
7002
127.0
.
0.1
:
7000
replica #
1
is
127.0
.
0.1
:
7003
127.0
.
0.1
:
7001
replica #
1
is
127.0
.
0.1
:
7004
127.0
.
0.1
:
7002
replica #
1
is
127.0
.
0.1
:
7005
M: bc66d90ca24eb6b69a3b375a4e242fef00de2052
127.0
.
0.1
:
7000
slots:
0
-
5460
(
5461
slots) master
M: bc66d90ca24eb6b69a3b375a4e242fef00de2052
127.0
.
0.1
:
7001
slots:
5461
-
10921
(
5461
slots) master
M: bc66d90ca24eb6b69a3b375a4e242fef00de2052
127.0
.
0.1
:
7002
slots:
10922
-
16383
(
5462
slots) master
S: bc66d90ca24eb6b69a3b375a4e242fef00de2052
127.0
.
0.1
:
7003
replicates bc66d90ca24eb6b69a3b375a4e242fef00de2052
S: bc66d90ca24eb6b69a3b375a4e242fef00de2052
127.0
.
0.1
:
7004
replicates bc66d90ca24eb6b69a3b375a4e242fef00de2052
S: bc66d90ca24eb6b69a3b375a4e242fef00de2052
127.0
.
0.1
:
7005
replicates bc66d90ca24eb6b69a3b375a4e242fef00de2052
Can I
set
the above configuration? (type
'
yes
'
to accept): yes
>>>
Nodes configuration updated
>>>
Sending CLUSTER MEET messages to join the cluster
Waiting
for
the cluster to join...
>>> Performing Cluster Check (
using
node
127.0
.
0.1
:
7000
)
M: 75bab28893c3536aecdb9879df97db89b24ce21e
127.0
.
0.1
:
7000
slots:
5461
-
10921
(
5461
slots) master
M: cfc344721cad8a5ddb7a8d675eb3a4d6e5b9d1c1
127.0
.
0.1
:
7002
slots:
10922
-
16383
(
5462
slots) master
M: 01b3977a3f592fd1538e8c83f86bbba37d0c1058
127.0
.
0.3
:
7003
slots:
0
-
5460
(
5461
slots) master
M: df59fce238a1c538933bdc170edb27835d0b7cc7
127.0
.
0.1
:
7004
slots: (
0
slots) master
replicates 01b3977a3f592fd1538e8c83f86bbba37d0c1058
M: b6bdb2d309aa7f0b810288f24e975230419f25b1
127.0
.
0.1
:
7005
slots: (
0
slots) master
replicates 75bab28893c3536aecdb9879df97db89b24ce21e
M: b6bdb2d309aa7f0b810288f24e975230419f25b1
127.0
.
0.1
:
7005
slots: (
0
slots) master
replicates cfc344721cad8a5ddb7a8d675eb3a4d6e5b9d1c1
[OK] All nodes agree about slots configuration.
>>> Check
for
open slots...
>>>
Check slots coverage...
[OK] All
16384
slots covered.
??redis-cli -c -p 7000
127.0
.
0.1
:
7000
>
set
b c
-> Redirected to slot [
3300
] located at
127.0
.
0.1
:
7003
OK
127.0
.
0.1
:
7003
>
set
hello world
OK
127.0
.
0.1
:
7003
>
get
foo
-> Redirected to slot [
12182
] located at
127.0
.
0.1
:
7002
(nil)
127.0
.
0.1
:
7002
>
get
hello
-> Redirected to slot [
866
] located at
127.0
.
0.1
:
7003
"
world
"
127.0
.
0.1
:
7003
>
get
b
"
c
"
127.0
.
0.1
:
7003
>
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·FAQ
*** ERROR: Invalid configuration
for
cluster creation.
*** Redis Cluster requires at least
3
master nodes.
*** This
is
not possible with
4
nodes and
1
replicas per node.
*** At least
6
nodes are required.
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·Redis官說，至少3+3，還延續著Master-Slave的設計理念，這點上個人覺得Cassandra的一致性確實了得。
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Either the node already knows other nodes
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·因為報錯是ruby報的，不太能夠理解其意思，因為我之前做了些單機壓測，可能直接疊上集群會有垃圾數據，所以把/var/db/和/var/log/下能清空的都清空了。
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[
13321
]
09
Mar
08
:
09
:
24.290
# Handshake error: we already know node bc66d90ca24eb6b69a3b375a4e242fef00de2052, updating the address
if
needed.
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·同樣道理，ruby報的錯，一開始一直在join被我ctrl+c之后開始報錯，用上面的方法無果。把所有app目錄清空然后redis重裝。大家測試時，最后事先vmware快照一下或者redis現網數據備份一下。
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·OK，自己爽一下吧
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