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我要评论#!/bin/bash
set -e
if [ $# -lt 4 ]; then
echo "$(basename $0): missing script argument"
echo "$(installdir $0) [installfilename] [port] "
exit 9
fi
potinuse=`netstat -anp | awk '{print $4}' | grep $4 | wc -l`
if [ $potinuse -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 1s
cp $basedir/redis.conf $installdir
sed -i "s/instance_port/$port/g" $installdir/redis.conf
sleep 1s
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 <master-password> 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_passwrod ################################### clients #################################### # maxclients 10000 ############################## memory management ################################ # maxmemory <bytes> # 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
redi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，3秒钟左右完成
import redis
#master
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:
try:
redis_conn_1.execute_command('cluster addslots {0}'.format(i))
except:
print('cluster addslots {0}'.format(i) +' error')
elif 5461 < i and i <= 10922:
try:
redis_conn_2.execute_command('cluster addslots {0}'.format(i))
except:
print('cluster addslots {0}'.format(i) + ' error')
elif 10922 < i:
try:
redis_conn_3.execute_command('cluster addslots {0}'.format(i))
except:
print('cluster addslots {0}'.format(i) + ' error')
print()
print('#################cluster status#################')
print()
print('##################'+str(node_1["host"])+':'+str(node_1["port"])+'##################')
print(str(redis_conn_1.execute_command('cluster info'), encoding = "utf-8").split("\n")[0])
print('##################'+str(node_2["host"])+':'+str(node_2["port"])+'##################')
print(str(redis_conn_1.execute_command('cluster info'), encoding = "utf-8").split("\n")[0])
print('##################'+str(node_3["host"])+':'+str(node_3["port"])+'##################')
print(str(redis_conn_1.execute_command('cluster info'), encoding = "utf-8").split("\n")[0])
#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，环境依赖本身没有问题的话，基本上1分钟之内可以完成这个搭建过程。
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