internal cache

For volatile this keyword, I believe many friends have heard, and even used, although the keyword is more simple to understand the literal, but it is not easy to use good up.This article will explain the volatile in many ways, so that you can

Today probably research under wiredtiger engine, MONGO from 3.0, mainly in order to solve the problem of eating more memory, occupy a lot of disk space, in fact, even with the WT engine, in the performance is still worse than tokuft, but tokuft

Fragment caching refers to caching a webpage clip. For example, if a page displays the annual sales summary in the table, we can store the table in the cache to reduce the time for each request to be re-generated. To use fragment cache, go to the

This article mainly introduces the Cache Usage of the YIIFramework framework tutorial, and analyzes in detail the structure, principle, usage and related Precautions of the Yii framework cache based on the instance form, for more information about

The examples in this article describe the YII framework cache usage. Share to everyone for your reference, as follows: The cause of the cache is well known. So yii as an efficient, easy-to-use framework, cannot but support caching. So Yii provides

The cache usage in the YIIFramework framework tutorial is described in detail. The YIIFramework framework describes the caching usage of the yiiframework framework. For your reference, please refer to the following details: how to use the cache to

A detailed description of the caching usage of the YII Framework Framework tutorial, Yiiframework The examples in this article describe the YII framework cache usage. Share to everyone for your reference, as follows: The cause of the cache is well

Declare @ hdoc int -- document handleDeclare @ xmlstring varchar (200) -- XML stringSet @ xmlstring = ''-- Analyze the XML string using the system stored procedure sp_xml_preparedocumentExec sp_xml_preparedocument @ hdoc output, @ xmlstring-- Use

Document directory Cache Cache Cache is a simple and effective way to improve website performance. By storing relatively static data to the cache for use, we can save generationThe time of the data.Using Cache in yii mainly includes configuring

Yii framework cache knowledge Summary Cache is a simple and effective way to improve website performance. Websites of a slightly larger scale will store relatively static data to the cache for the necessary time, so that we can save the time to

1. Von noriman StructureThe noriman structure is also called the princetionarchitecture ).In 1945, Feng nuoman first proposed the concept of "Storage program" and the binary principle. Later, people referred to the electronic computer system

Keyword: hibernate update saveorupdateHibernate data update-session. Update/session. saveorupdate Session. Update: 1. First, search for the key of the object to be updated in the internal cache of the current session. If it is found, the current

How does hibernate work and why should I use it? Principle:1. Read and parse the configuration file 2. Read and parse the mapping information and create the SessionFactory3. Open Sesssion4. Creates a transaction Transation5. Persistence Operation 6.

The  hibernate as a lightweight ORM framework that is now more prevalent, has been popular in the country since 2003 and is now dominant in the persistence layer. Although the rich and flexible hql and the object of the criteria query, the

Data save, update, and delete: 1, Session.save () method: The Session.save () method is used for persistent storage of entity objects, which means that when the Session.save () method is executed, the corresponding insert SQL statement is generated,

Session. Both the load/Get method can read records from the database based on the specified entity class and ID and return the entity object corresponding to it. The difference is that if a record that matches a condition is not found, the Get

data Save, update, and delete:    1 , Session.save () Method: Session.save () method is used for persistent preservation of entity objects, that is, when executing Session.save () method is generated when the corresponding Insert SQL statement to

In hibernate, the cache will work in the following scenarios:1. When loading data via id[primary key]2. Lazy Loading First-level caching:Also known as the internal cache, the data object associated with the current session is saved, which is

In hibernate, the cache will function in the following scenarios: 1. Load data by id[primary key] 2. Lazy loading of the first cache: also known as the internal cache, which holds the data objects associated with the current session, created with

BIOS settings have a very high performance impact, optimizing the BIOS settings will have some improvement on your overall performance, but there may be some problems at the same time. You can resolve this situation by restoring the BIOS defaults.