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Use Redis cache for asp.net performance optimization (Getting Started), asp. netredis
1: optimization ideas for using Redis Cache
There are many application scenarios for redis. Let's just talk about one of my scenarios:
1.1 for a large amount of data reading, in order to re
This article mainly introduces about starting from zero Redis cache, has a certain reference value, now share to everyone, have the need for friends can refer to
About Redis
Redisis an open source useANSIClanguageWrite, support network, log type that can be persisted based on memory,Key-valueDatabase, and is available in multiple languagesAPI. From .ye
The previous article has introduced the Memorycache,memorycache storage data type is object, also said Redis support v data type of storage, but Microsoft's Redis cache component only implemented hash type of storage. Before you analyze the source code, learn a few commands about Redis operations.One,
Tags: imp targe apt-get font logs get data Comm Ace PreMaster-Slave concept
A master can have multiple slave, a slave? can have multiple slave, so go on, form a strong? Multi-level server cluster architecture
Master used to write data, slave used to read data, statistics: the website read and write ratio is 10:1
Read/write separation via master/slave configuration
Master-Slave configuration configuration
To view the IP address of the current host: Ifconfig
Modi
and reading data from MySQL
Write PHP code to read data from Redis: php_redis.php
write PHP code to read data from MySQL: php_mysql.php
Run two PHP programs separately
[root@hadoop1~]#phpphp_redis.php
{"id":10,"name":"redis"}
0.00059199333190918秒
[root@hadoop1~]#phpphp_mysql.php
10-->redis
0.0043718814849854秒
[roo
FindByID (@Param ("id") String ID); @CachePut (key = "#p0") @Update ("Update user set Name=#{name} where Id=#{id}") void Updatabyid (@Param ("id") String ID , @Param ("name") String name); If true, all cache @CacheEvict are emptied immediately after the method call (key = "#p0", Allentries=true) @Delete ("Delete from user where Id=#{id}") v OID Deletebyid (@Param ("id") String ID); }@Cacheable cache the
The project uses Redis as the cache data, but faces problems such as Project A, project B using Redis, and Redis as a set of clusters, which poses some problems.Questions:For example, the developer of Project A, to cache some hot data, think of
Redis persistence CacheRedis persistent cache:
I. snapsho (snapshot method-"binary file)
① Periodically generate snapshots
② Generate snapshots quantitatively
Observe the settings of the SNAPSHOTTING setting module in the redis configuration file. We can find that
I have explained the meaning of the save command. Now let me talk about it again, that is:
Save? 90
allocated by the serverCmd_get get Command (GET) total number of requestsCmd_set set Command (SAVE) Total Request countGet_hits Total Hit CountTotal number of get_misses missesEvictions the number of items deleted for free memory (the space allocated to memcache needs to be removed when the old items are filled to get space allocated to the new items)Bytes_read bytes read (number of requests bytes)Bytes_written total number of bytes sent (result bytes)Limit_maxbytes The amount of memory allocat
: This article describes how to operate redis Cache in php. if you are interested in the PHP Tutorial, refer to it.
ObjectPrivate $ sId = 1; // servier service ID private $ con = null; // link resource/*** initialize Redis ** @ return Object */public function _ construct () {if (! Class_exists ('
long.2. Open the terminal and enter the Redis folder with the following command:Last Login:fri-21:33:25 on ttys000zhaoguihuadediannao:~ zhaogh$ CD Applications/dev/redisZhaoguihuadediannao:redis zhaogh$3. Enter the make command at the command prompt and wait a few moments for the installation to complete. If you are prompted not to find the make command, refer to this article.installed, is not a little excited. Smoke a cigarette, let's go on.Iv. Use
cache requires the installation of the Memcached PECL package, which is the PHP Memcached extension.
Memcached::addserver default configuration uses the TCP/IP protocol:
' Memcached ' = [ ' host ' = ' 127.0.0.1 ', ' port ' = ' 11211 ', ' weight ' = + ],
You can also set the host option to a UNIX socket path, and if you do, the port option should be reset to 0:
' Memcached ' = [ ' host ' = '/var/run/memcached/memcach
#最大连接数 max-wait:-1 #默认-1 maximum connection blocking wait time Max-idle:8 # Maximum idle connection default 8 min-idle:0 #最小空闲连接 cache: Type:redisSpring.cache.type is generally self-assembling based on dependent packages, but the sequencing will have an impact on Redis use, (Jcache->ehcache->redis->guava) It is best to manually configure
Redis is now online in China, but only in preview and cannot be operated via the portal, but can be created via PowerShell, as follows:
Download the latest Powershell SDK:http://www.windowsazure.cn/downloads/
Switch-azuremode-name Azureresourcemanager
Add-azureaccount-environment Azurechinacloud
Get-azuresubscription–current
New-azureresourcegroup-name mygroup1-location "China North
Redis cache failure story to start with the expire command, expire allows the user to specify a time-out for a key, and the value corresponding to the key will be erased after that time. This article mainly on the basis of the analysis of Redis source code to stand on the Redis designer's perspective to consider the pr
I wrote two simple articles about Memcached cache some time ago. Of course, it's just how to get started. I have discovered the magic of Redis in the last two days. I have certainly seen it before. It is a small dish and I have never paid much attention to what it is, unexpectedly, it was recently discovered that it was also a cache artifact, so I came to a simpl
Kong server, the latest version supports 64-bit. Redis's 32-bit storage capacity is limited by the available address space, that is, 3 GB. To run 64-bit Redis on Windows, you can get a Redis code from the https://github.com/MSOpenTech/redis, and then open \ msvs \ RedisServer. sln with Visual Studio 2010 and compile it. Redi
ObjectiveRecently in doing a project, an interface to query data to return the total data needs 7000+ milliseconds, has been considering the optimization of the problem, optimization also has the original of a query to query all, in the query for different days. The result is 1500+, although the optimization of a lot of, but the data structure will change, the foreground rendering information will be more cumbersome, and temporarily did not update. So later adopted a caching mechanism, the query
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