linux下redis的安装,使用
redis:1.直接下载: wget http://download.redis.io/releases/redis-2.8.9.tar.gz2.make编译3.设置配置文件redis.config,在src目录去执行启动 : ./redis-server ../redis.config 后面可以加上配置文件实现让服务器后台运行,成为守护进程4.登陆客户端,同样
redis: 1.直接下载: wget http://download.redis.io/releases/redis-2.8.9.tar.gz 2.make编译 3.设置配置文件redis.config,在src目录去执行启动 : ./redis-server ../redis.config 后面可以加上配置文件实现让服务器后台运行,成为守护进程 4.登陆客户端,同样在src目录 ./redis-cli 也可以telnet ip port不过输出键值对的时候有个$2 5.写程序的时候需要使用redis的api,方法,在hiredis目录下生产一个静态库文件libhiredis.a,把头文件放进/usr/include,静态库文件放进/lib,编译文件的时候加上-lhiredis,就可以使用了,动态库也是类似的调用方法 c语言连接插入redis实例: http://blog.csdn.net/hj19870806/article/details/8724907 http://yaocoder.blog.51cto.com/2668309/12970311 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 |
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memcache: http://php.net/manual/zh/book.memcache.php http://docs.linuxtone.org/ebooks/NOSQL/memcached/memcached--%E9%BB%91%E5%A4%9C%E8%B7%AF%E4%BA%BA.pdf
gcc源码编译: http://www.cnblogs.com/codemood/archive/2013/06/01/3113200.html 下载地址:http://ftp.gnu.org/ GNU的ftp服务器下载

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Redis cluster mode deploys Redis instances to multiple servers through sharding, improving scalability and availability. The construction steps are as follows: Create odd Redis instances with different ports; Create 3 sentinel instances, monitor Redis instances and failover; configure sentinel configuration files, add monitoring Redis instance information and failover settings; configure Redis instance configuration files, enable cluster mode and specify the cluster information file path; create nodes.conf file, containing information of each Redis instance; start the cluster, execute the create command to create a cluster and specify the number of replicas; log in to the cluster to execute the CLUSTER INFO command to verify the cluster status; make

Redis uses hash tables to store data and supports data structures such as strings, lists, hash tables, collections and ordered collections. Redis persists data through snapshots (RDB) and append write-only (AOF) mechanisms. Redis uses master-slave replication to improve data availability. Redis uses a single-threaded event loop to handle connections and commands to ensure data atomicity and consistency. Redis sets the expiration time for the key and uses the lazy delete mechanism to delete the expiration key.

To view the Redis version number, you can use the following three methods: (1) enter the INFO command, (2) start the server with the --version option, and (3) view the configuration file.

Steps to solve the problem that redis-server cannot find: Check the installation to make sure Redis is installed correctly; set the environment variables REDIS_HOST and REDIS_PORT; start the Redis server redis-server; check whether the server is running redis-cli ping.

Redis Ordered Sets (ZSets) are used to store ordered elements and sort by associated scores. The steps to use ZSet include: 1. Create a ZSet; 2. Add a member; 3. Get a member score; 4. Get a ranking; 5. Get a member in the ranking range; 6. Delete a member; 7. Get the number of elements; 8. Get the number of members in the score range.

Redis uses five strategies to ensure the uniqueness of keys: 1. Namespace separation; 2. HASH data structure; 3. SET data structure; 4. Special characters of string keys; 5. Lua script verification. The choice of specific strategies depends on data organization, performance, and scalability requirements.

To view all keys in Redis, there are three ways: use the KEYS command to return all keys that match the specified pattern; use the SCAN command to iterate over the keys and return a set of keys; use the INFO command to get the total number of keys.

There are two types of Redis data expiration strategies: periodic deletion: periodic scan to delete the expired key, which can be set through expired-time-cap-remove-count and expired-time-cap-remove-delay parameters. Lazy Deletion: Check for deletion expired keys only when keys are read or written. They can be set through lazyfree-lazy-eviction, lazyfree-lazy-expire, lazyfree-lazy-user-del parameters.
