Hibernate provides two levels of cache. The first level of cache is session-level cache, which belongs to the scope of transactions. This level of cache is managed by Hibernate and generally requires no intervention. The second level of cache is the sessionfactory level
一、一级 caching Two-level cache concept Interpretation(1) A cache is the session level cache, a session to do a query operation, it will put the results of this operation in a first-level cache, if a short period of time thisSession (must be the same session) and do the same operation, then hibernate directly from the fir
Article Source: http://blog.csdn.net/defonds/article/details/2308972 Hibernate The difference between a cache and a level two cacheCaching is between an application and a physical data source, and it is designed to reduce the frequency of application access to physical data sources, thereby improving the performance of the application. The data in the cache is a copy of the data in the physical data source,
Caching is between an application and a physical data source, and it is designed to reduce the frequency of application access to physical data sources, thereby improving the performance of the application. The data in the cache is a copy of the data in the physical data source, the application reads and writes data from the cache at run time, and at a particular moment or event synchronizes the
Caching is between an application and a physical data source, and it is designed to reduce the frequency of application access to physical data sources, thereby improving the performance of the application. The data in the cache is a copy of the data in the physical data source, the application reads and writes data from the cache at run time, and at a particular moment or event synchronizes the
XXXX Project cache solution Summary
The XXXX Project is currently being done in actual work. It is the content management kernel of a large system and is responsible for the centralized management of the core meta data with high performance requirements, the cluster must be supported at the initial stage of the design. The project uses hibernate 3.2 and has written this article on different ideas about various caches during development. The focus is
Before giving you a detailed description of the second-level cache of hibernate, we will first let you know the next-level cache, and then give a comprehensive introduction to the second-level cache of hibernate. Hibernate provides two levels of cache. The first level of cache
Bug DescriptionSender Information: system.servicemodel.servicehostingenvironment+hostingmanager/31242459 exception: System.ServiceModel.ServiceActivationException: The service "XX.XAMLX" could not be activated due to an exception during compilation.
Cache Disklrucache on physical storage media for Android level two cacheAndroid Disklrucache belongs to the physical nature of the cache, compared to the LRUCache cache, then Disklrucache belongs to the last level of the Android level two cache. Usually the Android cache
Hibernate cache and what operations will read and hold data to the cache
Hibernate Cache
Hibernate has a level two cache, one level cache and one level two cache, respectively. The first-level
Php Cache technology detailed introduction and php Cache Implementation code some information, for example, often unchanged, but still can change the information in the cache to speed up the display, this is very valuable, the so-called cache, in general, some shared information is stored on the server. it is generated
There are many articles about Web caching on the Internet, a summary today.Why do you use cachingCaching is generally used for static resources such as CSS,JS, images, etc. for the following reasons:
Faster requests: By caching content in a local browser or a cache server (such as a CDN) that is closest to you, you can significantly speed up site loading without compromising site interaction.
Bandwidth savings: For cached files, you can r
The previous introduction of the MyBatis level two cache briefly introduces the Ehcache, and ehcache How to configure the level two cache for MyBatis. This article describes the application of Ehcache in the higher layers.Using Ehcache's two-level cache as quickly as possible optimizes mybatis query efficiency, but there are several limitations to this.
1. Cachin
Front-end Study Notes-HTTP cache, learning notes-HTTP Cache
Original address: https://developers.google.com/web/fundamentals/performance/optimizing-content-efficiency/http-caching? Hl = zh-cn
Caching and reusing the previously acquired resources is a key aspect of performance optimization.
Each browser has its own HTTP cache implementation function. You only need
Why Use WEB CachingWeb cache is generally divided into browser cache, proxy server cache and gateway cache, this article is mainly about the browser cache , the other two kinds of cache everyone to understand the next.Web caches r
First, why (Why use hibernate cache?) )Hibernate is a persistent layer framework that accesses physical databases frequently.Improve application performance by reducing the frequency of application access to physical data sources.The data in the cache is a copy of the data in the physical data source, the application reads and writes data from the cache at run ti
Linux page cache in the system and Buffer Cache Free Command Display MemoryFirst, let's look at the usage of the memory:650) this.width=650; "title=" clip_image001 "style=" border-top:0px;border-right:0px;background-image:none; border-bottom:0px;padding-top:0px;padding-left:0px;border-left:0px;padding-right:0px, "alt=" clip_image001 "src=" Http://s3.51cto.com/wyfs02/M00/5C/36/wKioL1Uc0aGRKxnJAAHgjMWscjU447.
ThinkPHP implements static cache and dynamic cache sample code, and thinkphp sample code
Static Cache
To use the static cache function, you must enable the HTML_CACHE_ON parameter and use the HTML_CACHE_RULES parameter to set the static cache rule file.
Define static rules
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Some of the information is often constant, but still can change the information in the cache to speed up the display speed, which is very valuable, so-called cache, popular understanding is some saved on the server side of the common information. It is in the server with life and death, we can specify the time of the next update when saving the cache, For example
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