CYQ. Data V5 Distributed Automatic Cache Design (2), cyq. datav5Preface:
Recently, I started an IT connection business, so most of my energy and writing articles are sharing my entrepreneurial experience.
Few articles about my three frameworks CYQ.
Cache Technology
I. Page CacheFull page CacheConcept: full-page cache is the simplest cache format, and pages are common cache formats. It caches the entire page.Syntax:Application StatusPages that do not require frequent data updates Takes a lot
I. How cache works
The principle of caching is that when the CPU reads a piece of data, it first looks up from the cache, reads it immediately after it finds it, and sends it to the CPU for processing. If no data is found, it will read data from the
* ***** Cache storage configuration items (for direct nodes with read cache and appsetting )*****
Memcache is often used for data that does not need to be changed frequently and does not need to be read from the database every time. It can prevent
I am used to arrays and arrylist. For me, the first time I came into contact with dictionary storage such as hashtable and dictionary, it was very tall.
1. What is hashtable?
Hashtable is a hash table. Like an array, It is a data storage method.
Array and set
1. array problem Array
(1) One-dimensional array: int [] arr = {1, 2, 3, 5} string [] S = {s, L, S, g}
(2) Two-dimensional array: int [,] arr = new int [2, 2] {1, 2}, {3, 4 }}
Type [,] array name = new type [number of rows (number of
Document directory
Use of pscp
Let's take a look at psftp.
Other optional sftp clients
With the popularization of Linux applications on servers, Linux system management is increasingly dependent on remote management. Putty is one of the
Package com. aspboy. Base. cache;
/** Created on 2004-** The "least recently used algorithm" (LRU algorithm) removes the rows that have been least accessed in the recent period.* Therefore, you must set a counter for each row. The LRU algorithm
Set page cache in source code @ OutputCache: control the output cache policies of user controls contained in ASP. NET pages or pages in a declarative manner.Main attributes:
Duration: the cache time for pages or user controls (in seconds ). Set
The difference between hashtable and hashmap in C #-For details, refer
Http://www.hd1204.com/article/html/1655.htmlthank you for your reference;
Hashtable is widely used. hashmap is a class used to replace hashtable in the new framework. In other
From: http://www.cnblogs.com/freshman0216/archive/2008/07/29/1252253.htmlThis article starts with the class relationship diagram of monitor, mutex, manualresetevent, autoresetevent, and waithandler. We hope to have a general understanding of common
Synchronized vs syncroot we know that in some set types of. net, such as hashtable and arraylist, there are both synchronized static methods and syncroot instance methods. Are there any relationships between them? How can I make good use of them?Let'
The first two articles briefly introduce the basic usage of thread synchronization lock, Monitor, synchronization event EventWaitHandler and Mutex. On this basis, we will compare their usage, it also provides some suggestions on when to lock and
Usage of HashTable in C #
1. Brief description of the hash table (Hashtable)
In. in the. NET Framework, Hashtable is System. A container provided by the Collections namespace is used to process and present key-value pairs similar to the keyvalue.
Package COM. ll. singlelogin; import javax. servlet. HTTP. *; import Java. util. *; public class singlelogin implements httpsessionlistener {// Save the sesing of sessionid and username Private Static hashmap husername = new hashmap (); /** The
Although it is already the broadband era, the kitten has gradually moved away from us. As WEB application developers, we still have the responsibility and obligation to continuously optimize the performance of WEB applications through technical
I. Brief introduction to the hash table (Hashtable)
In. in the. NET Framework, Hashtable is System. A container provided by the Collections namespace is used to process and present key-value pairs similar to key/value. The key is usually used for
Entlib 3.1 Study Notes (1): caching Application Block
[En] http://msdn2.microsoft.com/en-us/library/aa480456.aspx[Zh] http://www.microsoft.com/china/MSDN/library/enterprisedevelopment/softwaredev/dnpag2caching1.mspx
It supports both an in-memory
Hashtable1. Brief description of the hash table (hashtable)
In. in net work, hashtable is system. A container provided by the collections namespace is used to process and present key-value pairs similar to key/. The key is usually used for quick
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