Redis自动化安装以及集群实现

发布时间 - 2025-07-09 00:00:00 点击率：次

redis实例安装与自动化集群实现

安装说明：自动解压安装包，并在指定路径编译安装。将配置文件模板复制到Redis实例的目录下，并根据端口号修改配置文件。

所需文件：配置文件、当前shell脚本、安装包。

参数说明：

参数1（basedir）：Redis安装包路径
参数2（installdir）：安装实例路径
参数3（installfilename）：安装包名称
参数4（port）：安装实例的端口号

#!/bin/bash
set -e
if [ $# -lt 4 ]; then
  echo "$(basename $0): Missing script argument"
  echo "$(basename $0) [installfilename] [port]"
  exit 9
fi
PortInUse=`netstat -anp | awk '{print $4}' | grep $4 | wc -l`
if [ $PortInUse -gt 0 ]; then
  echo "ERROR" $4 "Port is used by another process!"
  exit 9
fi
basedir=$1
installdir=$2
installfilename=$3
port=$4
cd $basedir
tar -zxvf $installfilename.tar.gz &>/dev/null 2>&1 &
cd $installfilename
mkdir -p $installdir
make PREFIX=$installdir install
sleep 1
scp $basedir/redis.conf $installdir
sed -i "s/instance_port/$port/g" $installdir/redis.conf
sleep 1
cd $installdir
./bin/redis-server redis.conf &>/dev/null 2>&1 &

配置文件模板：

################################## INCLUDES #################################### include /path/to/

local.conf # include /path/to/other.conf

################################## MODULES ###################################### loadmodule /path/to/my_module.so

loadmodule /path/to/other_module.so

################################## NETWORK ##################################### bind 127.0.0.1 & your ip port instance_port tcp-backlog 511 timeout 0 tcp-keepalive 300

################################# GENERAL ##################################### daemonize yes supervised no pidfile ./redis_instance_port.pid loglevel notice logfile ./redis_log.log databases 16 always-show-logo yes

################################ SNAPSHOTTING ################################ save 900 1 save 300 10 save 60 10000

stop-writes-on-bgsave-error yes rdbcompression yes rdbchecksum yes dbfilename dump.rdb dir ./

################################# REPLICATION ################################## masterauth replica-serve-stale-data yes replica-read-only yes repl-diskless-sync no repl-diskless-sync-delay 5 repl-disable-tcp-nodelay no replica-priority 100

################################## SECURITY ################################### requirepass your_password

################################### CLIENTS ##################################### maxclients 10000

############################## MEMORY MANAGEMENT ################################# maxmemory

maxmemory-policy noeviction

maxmemory-samples 5

replica-ignore-maxmemory yes

############################# LAZY FREEING #################################### lazyfree-lazy-eviction no lazyfree-lazy-expire no lazyfree-lazy-server-del no replica-lazy-flush no

############################## APPEND ONLY MODE ############################### appendonly no

appendfilename "appendonly.aof"

appendfsync always

appendfsync everysec

appendfsync no

no-appendfsync-on-rewrite no auto-aof-rewrite-percentage 100 auto-aof-rewrite-min-size 64mb aof-load-truncated yes aof-use-rdb-preamble yes

################################ LUA SCRIPTING ############################### lua-time-limit 5000

################################ REDIS CLUSTER ############################### cluster-enabled yes

cluster-replica-validity-factor 10

cluster-require-full-coverage yes

cluster-replica-no-failover no

########################## CLUSTER DOCKER/NAT support ########################

################################## SLOW LOG ################################### slowlog-log-slower-than 10000 slowlog-max-len 128

################################ LATENCY MONITOR ############################## latency-monitor-threshold 0

############################# EVENT NOTIFICATION ############################## notify-keyspace-events ""

############################### ADVANCED CONFIG ############################### hash-max-ziplist-entries 512 hash-max-ziplist-value 64 list-max-ziplist-size -2 list-compress-depth 0 set-max-intset-entries 512 zset-max-ziplist-entries 128 zset-max-ziplist-value 64 hll-sparse-max-bytes 3000 stream-node-max-bytes 4096 stream-node-max-entries 100 activerehashing yes client-output-buffer-limit normal 0 0 0 client-output-buffer-limit replica 256mb 64mb 60 client-output-buffer-limit pubsub 32mb 8mb 60

client-query-buffer-limit 1gb

proto-max-bulk-len 512mb

hz 10 dynamic-hz yes aof-rewrite-incremental-fsync yes rdb-save-incremental-fsync yes

########################### ACTIVE DEFRAGMENTATION #######################

Enabled active defragmentation

activedefrag yes

Minimum amount of fragmentation waste to start active defrag

active-defrag-ignore-bytes 100mb

Minimum percentage of fragmentation to start active defrag

active-defrag-threshold-lower 10

Maximum percentage of fragmentation at which we use maximum effort

active-defrag-threshold-upper 100

Minimal effort for defrag in CPU percentage

active-defrag-cycle-min 5

Maximal effort for defrag in CPU percentage

active-defrag-cycle-max 75

Maximum number of set/hash/zset/list fields that will be processed from

the main dictionary scan

active-defrag-max-scan-fields 1000

安装示例：

sh redis_install.sh /usr/local/redis/ /usr/local/redis5/redis9008/ redis-5.0.4 9008

Redis实例的目录结构：

基于Python的Redis自动化集群实现：

基于Python的自动化集群实现，初始化节点为node_1~node_6，节点实例需要为集群模式，三主三从，自动化集群，分配slots，加入从节点，约3秒钟完成。

import redismaster
node_1 = {'host': '127.0.0.1', 'port': 9001, 'password': ''}
node_2 = {'host': '127.0.0.1', 'port': 9002, 'password': ''}
node_3 = {'host': '127.0.0.1', 'port': 9003, 'password': '***'}
slave
node_4 = {'host': '127.0.0.1', 'port': 9004, 'password': ''}
node_5 = {'host': '127.0.0.1', 'port': 9005, 'password': ''}
node_6 = {'host': '127.0.0.1', 'port': 9006, 'password': '***'}
redis_conn_1 = redis.StrictRedis(host=node_1["host"], port=node_1["port"], password=node_1["password"])
redis_conn_2 = redis.StrictRedis(host=node_2["host"], port=node_2["port"], password=node_2["password"])
redis_conn_3 = redis.StrictRedis(host=node_3["host"], port=node_3["port"], password=node_3["password"])
cluster meet
redis_conn_1.execute_command("cluster meet {0} {1}".format(node_2["host"],node_2["port"]))
redis_conn_1.execute_command("cluster meet {0} {1}".format(node_3["host"],node_3["port"]))
print('#################flush slots #################')
redis_conn_1.execute_command('cluster flushslots')
redis_conn_2.execute_command('cluster flushslots')
redis_conn_3.execute_command('cluster flushslots')
print('#################add slots#################')
for i in range(0,16383+1):
if i < 5461:
redis_conn_1.execute_command('cluster addslots {0}'.format(i))
elif i < 10922:
redis_conn_2.execute_command('cluster addslots {0}'.format(i))
else:
redis_conn_3.execute_command('cluster addslots {0}'.format(i))
slave cluster meet
redis_conn_1.execute_command("cluster meet {0} {1}".format(node_4["host"],node_4["port"]))
redis_conn_2.execute_command("cluster meet {0} {1}".format(node_5["host"],node_5["port"]))
redis_conn_3.execute_command("cluster meet {0} {1}".format(node_6["host"],node_6["port"]))
cluster nodes
print(str(redis_conn_1.execute_command('cluster nodes'), encoding = "utf-8"))

示例：

这样一个Redis的集群，从实例的安装到集群的安装，如果环境依赖没有问题的话，基本上在一分钟内可以完成整个搭建过程。

# python # redis # docker # ai # shell脚本 # red

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