參考:
http://redis.io/topics/cluster-tutorial(主要是Creating a Redis Cluster using the create-cluster script部分)
https://ruby.taobao.org/
安裝一款不熟悉的軟件前先看INSTALL,README,這是習(xí)慣,生產(chǎn)上要建立普通用戶并調(diào)節(jié)適當(dāng)參數(shù),下面是以root身份安裝運(yùn)行.
下載解壓并安裝redis
make test提示需要更高版本的tcl,跳到安裝過程可能遇到的問題
wget http://download.redis.io/releases/redis-3.0.7.tar.gztar xf redis-3.0.7.tar.gz cd redis-3.0.7mkdir -p /opt/redismake testmake PREFIX=/opt/redis install
復(fù)制兩個(gè)腳本到安裝的目錄
cp ~/redis-3.0.7/src/redis-trib.rb /opt/redis/ cp ~/redis-3.0.7/utils/create-cluster/create-cluster /opt/redis/1212
根據(jù)實(shí)際修改/opt/redis/create-cluster.改動(dòng)的地方有幾處
a.增加了三個(gè)變量BASEDIR,BINDIR和DATADIR,
b.修改相關(guān)命令路徑,
c.start前,先進(jìn)入DATADIR,start后,返回原目錄
d.clean前,先進(jìn)入DATADIR,start后,返回原目錄
e.create的host由127.0.0.1改為192.168.1.194(不改有時(shí)會(huì)報(bào)Too many Cluster redirections)
下面是修改后的shell
#!/bin/bash # Settings PORT=30000 TIMEOUT=2000 NODES=6 REPLICAS=1 BASEDIR=/opt/redis BINDIR=$BASEDIR/bin DATADIR=$BASEDIR/data # You may want to put the above config parameters into config.sh in order to # override the defaults without modifying this script. if [ -a config.sh ] then source "config.sh" fi # Computed vars ENDPORT=$((PORT+NODES)) if [ "$1" == "start" ] then cd $DATADIR while [ $((PORT < ENDPORT)) != "0" ]; do PORT=$((PORT+1)) echo "Starting $PORT" $BINDIR/redis-server --port $PORT --cluster-enabled yes --cluster-config-file nodes-${PORT}.conf --cluster-node-timeout $TIMEOUT --appendonly yes --appendfilename appendonly-${PORT}.aof --dbfilename dump-${PORT}.rdb --logfile ${PORT}.log --daemonize yes done cd - exit 0 fi if [ "$1" == "create" ] then HOSTS="" while [ $((PORT < ENDPORT)) != "0" ]; do PORT=$((PORT+1)) HOSTS="$HOSTS 192.168.1.194:$PORT" done $BASEDIR/redis-trib.rb create --replicas $REPLICAS $HOSTS exit 0 fi if [ "$1" == "stop" ] then while [ $((PORT < ENDPORT)) != "0" ]; do PORT=$((PORT+1)) echo "Stopping $PORT" $BINDIR/redis-cli -p $PORT shutdown nosave done exit 0 fi if [ "$1" == "watch" ] then PORT=$((PORT+1)) while [ 1 ]; do clear date $BINDIR/redis-cli -p $PORT cluster nodes | head -30 sleep 1 done exit 0 fi if [ "$1" == "tail" ] then INSTANCE=$2 PORT=$((PORT+INSTANCE)) tail -f ${PORT}.log exit 0 fi if [ "$1" == "call" ] then while [ $((PORT < ENDPORT)) != "0" ]; do PORT=$((PORT+1)) $BINDIR/redis-cli -p $PORT $2 $3 $4 $5 $6 $7 $8 $9 done exit 0 fi if [ "$1" == "clean" ] then cd $DATADIR rm -rf *.log rm -rf appendonly*.aof rm -rf dump*.rdb rm -rf nodes*.conf cd - exit 0 fi echo "Usage: $0 [start|create|stop|watch|tail|clean]" echo "start -- Launch Redis Cluster instances." echo "create -- Create a cluster using redis-trib create." echo "stop -- Stop Redis Cluster instances." echo "watch -- Show CLUSTER NODES output (first 30 lines) of first node." echo "tail -- Run tail -f of instance at base port + ID." echo "clean -- Remove all instances data, logs, configs."123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102不要忘了創(chuàng)建數(shù)據(jù)目錄mkdir -p /opt/redis/data
根據(jù)上面的參考,啟動(dòng)集群和停止集群
啟動(dòng)集群:先敲入/opt/redis/create-cluster start回車,再敲入/opt/redis/create-cluster create回車,再輸入yes回車
停止集群:敲入/opt/redis/create-cluster stop回車
如果以前啟動(dòng)過,造成不一致數(shù)據(jù),create時(shí)就會(huì)報(bào)錯(cuò),可先/opt/redis/create-cluster clean
測試
<dependency> <groupId>redis.clients</groupId> <artifactId>jedis</artifactId> <version>2.8.1</version></dependency>
聲明JedisCluster Bean
@Bean public JedisCluster jedisCluster(){ Set<HostAndPort> nodes=new HashSet<>(3); nodes.add(new HostAndPort("192.168.1.194",30001)); nodes.add(new HostAndPort("192.168.1.194",30002)); nodes.add(new HostAndPort("192.168.1.194",30003)); return new JedisCluster(nodes,2000,5); }測試set和get
AnnotationConfigApplicationContext context= new AnnotationConfigApplicationContext(AppConfig.class); JedisCluster jedisCluster = (JedisCluster) context.getBean("jedisCluster"); jedisCluster.set("xxx","123"); System.out.println("jedisCluster.get = " + jedisCluster.get("xxx"));安裝過程可能遇到的問題:
make test時(shí),提醒You need tcl 8.5 or newer in order to run the Redis test.到http://www.tcl.tk/software/tcltk/download.html下載Tcl,
wget http://prdownloads.sourceforge.net/tcl/tcl8.5.19-src.tar.gztar xf tcl8.5.19-src.tar.gzcd tcl8.5.19/unix./configuremakemake testmake install
因?yàn)閏reate-cluster create會(huì)調(diào)用redis-trib.rb,它是一個(gè)ruby腳本,所以提示沒有安裝ruby,就先安裝yum install -y ruby
如果提示加載rubygems錯(cuò)誤,使用以下辦法安裝rubygems
a.https://rubygems.org/pages/download下載tgz格式的安裝包(wget可能不通,在windows用旋風(fēng)或迅雷下載)
b.mount -t cifs -o username=xiejx618,password=123456 //192.168.1.115/share /share
cp /share/rubygems-2.6.4.tgz ./tar xf rubygems-2.6.4.tgzcd rubygems-2.6.4ruby setup.rb
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