Redis cluster is an official redis cluster function provided by redis.1. Why is redis Cluster implemented?
1. master-slave replication cannot achieve high availability 2. as the company develops, the number of users increases, concurrency increases, and business needs higher QPS. However, the QPS of a single machine in
of 1 elements in the order position 2 (where 2 refers to the number, not the position), and returns a list (3,17)$redis->sort (' tab ', Array (' limit ' = = Array (' alpha ' = true)); Sort by first character returns array (17,2,3), because the first character of 17 is ' 1′ so the first place$redis->sort (' tab ', Array (' limit ' = = Array (' store ' = ' ordered '))); Represents a permanent sort, returning
First, under Windows installation:https://github.com/MSOpenTech/redis/releases version 3.2.100Baidu Network disk : HTTPS://PAN.BAIDU.COM/S/1JI9G1XKAccording to the system, choose 32-bit or 64-bit (Zip) to download, extract to any directory to save.You can also download the installation files for installation and see if the Redis service is properly installed in t
downloaded directly, and then unzip, and then extract the following files:1.1 Brief introduction of the following part of the file: redis-server.exe: Service Program redis-check-dump.exe: Local Database Check redis-check-aof.exe: update log Check redis-benchmark.exe: Per
so on.
Run the cp command in the usr directory.
Cp redis-server/usr/local/bin/
Cp redis-cli/usr/local/bin/
Create a directory to store the configuration file.
Mkdir/etc/redis
Mkdir/var/redis
Mkdir/var/redis/log
Mkdir/var/redis/ru
Windows Redis InstallationDownload Windows version redis or github download
Unzip the download of the compressed package is the following figure:
Three ways to start: Enter the Downloads folder to select the version you want to unzip into the folder: The first way does not add a profile: Double-click Redis-server.exe, or select "Open Command Window Here" in the c
provide your redis. conf, you have to run it using an additional
% Cd src
#/Usr/redis-2.8.17/src/redis-server/usr/redis-2.8.17/redis. conf
View redis Processes
# Ps aux | grep redis
S
Build environment: Linux is centos7.4 (please note that centos7 the following version of the firewall and CENTOS7 above, the use of Redis Client connection Redis will be different, it is recommended to use CENTOS7 version) One, download Redis client Official Download Address: https://github.com/uglide/RedisDesktopManager/releasesBecause it is a foreign website, d
this situation, Redis supports an interesting feature: You can rebuild the AoF file without interrupting the service client (rebuild). To execute the bgrewriteaof command, Redis will generate a new aof file that contains the fewest commands required to rebuild the current dataset.Interaction between the RDB and the AOF:In Re
course, it can be simpler to install with Yum installed Tcl.
OK, after the installation of TCL, you can go to the Redis directory to run make test, this time the normal run through. Tips:
\o/all tests passed without errors!Cleanup:may take some time ... Ok
Description Redis installation is OK. Can run.
-----------------------------------------------------------------
Installation
# make Install
2. Runnin
, respectively
6379 (Master)
6380 (Slave)
6381 (Slave)
Modify the original redis.conf file and copy out 2 redis.conf files
mv/etc/redis.conf/etc/redis.6379.conf
cp/etc/redis.6379.conf/etc/redis.6380.conf
cp/etc/ Redis.6379.conf/etc/redis.6381.conf
Modify 6380 and 6381 pro
deprecated current VM mechanism, using the new Diskstore model
Redis database?-redis's Virtual memory introduction
Redis adds support for UDP
Redis completes pub/sub function development
5. Related News
Redis4you:redis Cloud storage Services
Redis to GO: a
sending the request to the real redis instance server. This proxy will ensure that our requests are sent to the correct redis instance based on the configured partition architecture and are returned to the client. Both redis and memcached proxies use twemproxy (a proxy framework of Twitter) to implement proxy service
Use mysql to automatically synchronize redis and mysql to synchronize redis
During server development, MySQL and other relational databases are generally used as the final storage engine. Redis can also be used as a key-Value Pair database, but in some practical scenarios, in particular, relational structures are not suitable for using
simple strings, redis as its replacement, supports richer data types(2) Redis is much faster than memcached (3) Redis can persist its data
What are the differences between 5.Memcache and Redis?
1), storage mode Memecache all the data in memory, the power loss will hang, the data can not exceed the memory size.
Redis is a high-performance, memory-based Key-value database.Features of ReidsRedis is essentially a key-value type of in-memory database, much like memcached, where the entire database is loaded in memory for operation, and the database data is periodically flush to the hard disk for storage by asynchronous operations . Because it is pure memory Operation , Redis has excellent performance and can handle mo
] # cd redis-2.8.19The [root @ redis redis-2.8.19] # make
After the make command is executed, six executable files are generated in the src directory, they are redis-server, redis-cli, redis-benchmark,
address of one of the nodes in the cluster, and Redis-trib will automatically find the other nodes in the cluster.
There is no slot for the newly added Redis implementation, which needs to be run to be reclassified.
./redis-trib.rb Reshard 127.0.0.1:7000
Redis cluster, to ensure that 16,384 slots corresponding node i
to keepalived, the following two scenarios are discussed:B-redis, hang it off.VIP is still a server occupancy, users read and write without any impact, b-keepalived detect B-redis hang off after automatically turn off their services (in fact, you can not turn off the keepalived service, here is to try to maintain and a-keepalived the same configuration) ; After
Short-Term Development Plan
Redis author details about version 2.4 Improvement
Redis testing engine upgrade speed up
New redis branch for development supported by server Lua script
Redis declaration of antirez!
Redis or discard the current VM mechanism and ad
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