raft demo

index 2. Or perhaps Leader2: = Cfg.checkoneleader () Index2, _, Ok2: = Cfg.rafts[leader2]. Start (+) If Ok2 = = false {T.fatalf ("Leader2 rejected Start ()")} if Index2 With the print function in the one function, we can see the Leader (leader=1) of the current system under different circumstances. In the Testfailnoagree function, call the one function check consistency (index=1), and then disconnect 3 follwer nodes, at this time the client made a request (index=2),

Alibaba technology lecture hall oceanbase held a special lecture on the distributed election algorithm implemented by ob: distributed election-cracking the high availability problem of databasesHere we will briefly list the differences between this election algorithm and the election algorithm mentioned in the raft paper.The following are based on OB:1) ob uses the election algorithm. The election start point is aligned by timer to ensure that all par

Raft provides a practical project implementation template for Distributed consistency protocol, which is highly known. Most of its designs are basically similar to viewstamp, and system Member changes can be regarded as true original work. However, compared with other parts of the paper, this part does not explain in detail, recently, oceanbase's distributed system was designed to address Member changes. We carefully analyzed raft's member change prac

record to the log of this node, the leader begins to execute the log, which is to write 5 to the node. Then in the next heartbeat, the leader notifies followers that the log entry has been submitted and follows writes 5. The entire cluster then maintains the consistency of the data. This process is called log replication.Repeat the process for each new log record.If a network partition or network communication failure occurs in this process, so that leader cannot access most follwers, then lead

This tutorial uses Photoshop to synthesize beautiful brides sitting on bamboo rafts to see the scenery, wedding photography is generally divided into indoor and outdoor two kinds of scenery, beautiful natural, but the price is also more expensive, and if the outdoor location is more expensive, I believe that many married friends home must have a lot of wedding dress when the film left, That is, indoor shooting but did not help you to deal with the photos, in fact, not too complicated steps can b

JQuery provides image likes + 1 animation effects (with Online demo and demo source code download) and jquery Online demo. This article describes the image thumb up + 1 animation effects implemented by jQuery. We will share this with you for your reference. The details are as follows: The running effect is as follows: Click here to view the Online

Introduced Re-imagine the Windows 8 Store Apps Notice Toast-Application of notifications Application of Tile-porcelain paste Badge-Application of the coat of arms Badge-Polling the service side to update Badge notifications Example 1, the basic application of demo toast Notification/toast/demo.xaml Notification/toast/demo.xaml.cs * * TOAST-Notification * TOASTNOTIFICATION-TOAST notification * content-toast content, XmlDocument type of

Demo of the second and third besell curves (demo + Get coordinate point) and besell demo Demo of secondary besell curve: See the Pen quadraticCurveDemo by hanyanjun (@ hanyanjun) on CodePen. My demo address (second) We recommend that you click the above link.

???????????? DEMO ??????, Demo ?????????? What does demo mean? What is DEMO?When it comes to DEMO, players generally think it is an animation that describes the story before the game starts. However, the DEMO we are talking about

9. More exciting WebGL demo and exciting webgl demo Firefox OS, asm. Js and promotes browser performance improvement. Canvas and WebGL technologies are the possibility of opening up a world. I am on 9 excited canvas demo and then bring it with 9 WebGL demo, but I want to go beyond this article. I found nine more spirit

Objective The prevalence of NIO frameworks makes it possible to develop large concurrent and high-performance Internet services. The most popular of these is Mina and Netty, and Mina's current major version is MINA2, and Netty's main version is Netty3 and Netty4 (Netty5 has been canceled: see this article). This article will demonstrate a complete example of two-way communication based on the Netty4 UDP server and a standard UDP client (Java implementation). In fact, Netty4 's UDP example is

Flash can be used to make a more vivid demo animation, but its use is more complex, it is not suitable for ordinary teachers master. By the development of China Jinshan company WPSOffice2005, is a Microsoft OfficeXP depth-compatible products, as one of its important components of WPS Demo 2005, easy to learn and Easy-to-use, but also has a strong custom animation features, flexible use of her provided by th

Spring dynamic multi-data source instance Demo and spring dynamic instance demo Recently, many people have consulted Spring on how to configure multiple data sources. It is troublesome to answer the questions one by one, and the configuration in previous blog posts is also problematic. Therefore, we hereby release a Demo for you. There are two data sources in the

Free Image Storage and graph [demo download], image demo Images can be used either on a blog system or on other websites. However, we all know that image access is resource-consuming, disk space-consuming, and bandwidth-consuming.Therefore, we generally use a specific image server. However, for example, when I wait for some time, I will definitely not spend money on those things. Today, I will introduce a h

Aurora push --- Android Demo, Aurora --- Android demo For a dry job. for the programmer of. net, it is just like a dog biting a hedgehog and does not know where to start. For the programmer, it is both a challenge and an opportunity, because the knowledge is the same, in addition, in the small series of program life, leave the most precious memories, although later small series are not necessarily engaged i

1. Establish a demo mentality:As a presenter, you must have a peaceful, confident, and positive attitude. I believe that I can be successful and recognized by users.A good demonstration mentality antenna is positioned on its own, attaches importance to and dares to challenge its opponents, and plays its role on the scene.In a good demo mentality, the presenter will not be impatient. When they come up, they