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The full name is Hot module replacement (HMR), it can be understood as heat modules replacement or module hot swap, and hot plug in. NET means that the module of the program is updated during operation. This feature is primarily used in the development process and does not help the production environment (this is different from the. NET

A recent database of a customer reported an error in OPEN and needed to be restored. It was found that a tablespace was in hot backup -- ALTERTABLESPACETEST1BEGINBACKUP; then the instance was shut down abnormally (possibly ABORT or KILLSMON, this error is reported when the storage is directly disabled. In ORACLE10.2.0.1 and 11.2.0.4 A recent database of a customer reported an error during OPEN and needed to be restored. The reason was that a TABLESPAC

In the Java development field, hot deployment has always been a difficult problem, the current Java virtual machine can only implement the method body modification hot deployment, for the entire class structure modification, still need to restart the virtual machine, the class reload to complete the update operation. For some large applications, each reboot will cost a lot of time. The advent of the OSGi ar

Xtrabackup is an open-source project of percona (mysqlperformanceblog) to implement functions similar to innodb's official Hot Backup Tool InnoDBHotBackup. But in fact, Xtrabackup also provides additional functions (but there are also unimplemented functions ). Xtrabackup contains two tools: xtrabackup Xtrabackup is an open-source project of percona (mysqlperformanceblog) to implement functions similar to innodb's official

Mysql dual-machine hot standby practice-an Heng network manager's note [figure] network manager Mysql implements dual-machine hot standby. The principle is to use mysql's SELECT File operation function to capture host update logs in real time. of course, this is only the principle, in fact, we don't need to process logs by ourselves. after understanding the principles, implementation is easier to understa

Hot Hot Word-yi18 event billboard ( top.yi18.net " based on the Hotspot keyword two open news event watchlist, System real-time collection of people concerned about the event-based on Baidu search, sogou hot words, Google Trends collected real-time attentionEvents and news. Hot

Hot clones, also known as Live clones or online clones, require that the source computer be converted during the process of running its operating system on the source computer. With hot cloning, you can clone a computer without shutting down the computer. Because the process continues to run on the source computer during the conversion, the resulting virtual machine is not an exact copy of the source comput

[Switch] MySQL database hot backup bitsCN.com 1. system environment description:1. Two database servers, A and B;2. Currently, A is in use and serves as the master server. B is used as the backup database server;3. the database for hot backup contains data tables of MyISAM and InnoDB type; II. operation process description:1. ensure that the initial data of A and B is fully synchronized. Therefore, the da

Generally, we use RMAN to restore data files and archive them for recovery. If there is no valid backup set, but there is a file generated by hot backup, we can recover the data in the same way, the data file corresponding to the non-system tablespace is restored after corruption. -- Obtain the Hot Backup statement SQLselectaltertablespace | tablespace Generally, we use RMAN to restore data files and archiv

Zheng @ playfun RT 20090208 Juwang.com has been searching for various methods to show you the best content on social media. So far, we have providedSocial recommendation Social dialogue Liked And today's hot retweetsThese four ways to explore the social media world. Hot retweets is a mashup Application Based on Twitter APIs. What is retweet? Retweet is the exclusive term of Twitter, tha

This article details how to implement dual-machine hot backup for MySQL databases. 1. There is no Incremental backup mechanism for MySQL databases. Backup is a big problem when the data volume is too large. Fortunately, the MySQL database provides a master-slave backup mechanism, which is to write all the data of the master database to the backup database at the same time. Achieve hot backup of MySQL databa

-- ====================================== -- Oracle Hot Backup -- ====================================== Oracle Hot Backup refers to a series of backup operations on database data files, control files, parameter files, and password files when the database is open. Hot Backup is a backup recovery method based on user management. It is also a common backup method

01:51:42, 593 error [hotdeployutil: 60] com. liferay. Portal. kernel. Deploy. Hot. hotdeployexception: Error registering portlets SnavigationCom. liferay. Portal. kernel. Deploy. Hot. hotdeployexception: Error registering portlets for snavigationAt com. liferay. Portal. Deploy. Hot. portlethotdeploylistener. invokedeploy (portlethotdeploylistener. Java: 446)At co

1.spring-boot-devtools for hot deploymentThe most important feature of spring-boot-devtools is thermal deployment. It listens for file changes under Classpath and restarts the app immediately.Dependency> groupId>Org.springframework.bootgroupId> Artifactid>Spring-boot-devtoolsArtifactid> Optional>TrueOptional>Dependency>　　optional=true means that dependencies are not passed, in other words, other projects that depend on the project, and if you

When you click the "Set as primary entity" hyperlink, the original prompt box changes color and displays the contents: "has been set to merge primary entity." Problem: When a hot zone box on the tip of the hyperlink under another hot zone B, click a hot zone prompt box hyperlink, will trigger B Hot Zone MouseOver event

Now many webmasters like to use festivals or hot events to lead traffic, they are using the XXX Festival or xxx event, through the SEO means, to the site to bring a lot of traffic, the common use of Baidu, such as the list of real-time hot spots in the first time to crawl hot information, or the use of national regulations of the holiday, such as the recent natio

Our hot update scripts are used in practice and, of course, to support commonly used third-party components, such as a very useful third-party UI library: Fairygui.What is FairyguiHere Copy the Faiygui official website introduction:Redefining the UI authoring process, full visualization, 0 code, is a UI authoring tool for programmers, designers, and game planners.With FAIRYGUI-SDK, the performance of each game engine can be efficiently rendered, and t

the problem, The farther on the wrong road. Scheme You have to let Bigpipe support configure hot loading, which is not very easy to implement, and I'll say where it's hard to go. First, during the load of the new configuration, the HTTP external service cannot be stopped, so I decided that the HTTP module itself does not support unloading (a simple configuration such as HTTP listener address, read-write timeout, etc.), and it always maintains externa

Cocos2dx 3.1.1 automatic online hot Update (use AssetsManager to update the game Resource Package) Why do I need to update resources and script files online? To put it simply, if your game project has been launched on platforms such as google play or Apple Store, when your project needs to do some activity or modify the front-end code, you need to submit a new version to the platform. However, the Platform Review and the specific shelving time are unc

1. System Environment Description:1. Two database servers, A and B;2. Currently, A is in use and serves as the master server. B is used as the backup database server;3. The database for Hot Backup contains data tables of MyISAM and InnoDB type; Ii. Operation Process description:1. Ensure that the initial data of A and B is fully synchronized. Therefore, the data in A needs to be completely copied to B; Since multiple servers are connecting to A and mo