macbook replica

Apple made an overall update to the notebook product line in the Monday WWDC opening speech, upgraded the 13-inch unibody aluminum shell macbook into the MacBook Pro camp and configured upgrades for the 15 and 17-inch models. Among them, three MacBook Pro new Machine The most striking feature is the unified use of built-in battery design. Recently, the well-known

first, the official Apple Store purchase Apple has been in Beijing, Shanghai, Shenzhen, Chongqing and other 17 cities to open the official direct shop, the store should now have the new MacBook Pro demo demo machine, but also to be approved by the Ministry of the company before the sale, specific release time netizens can focus on Apple's new MacBook Pro is already available to buy (click here), or can cal

How does the MacBook fan sound? A lot of friends who use MacBook notebooks will encounter a fan when the sound is loud. Some may be hardware problems, some may be software problems, or some of them belong to the normal situation. Below is a brief description of some of the factors that cause the MacBook fan to sound large, along with some caveats. 1, we use

I have already written the first article about how to build a Mongo database replica set on the windows platform: How to build a Mongo database replica set on the windows platform. Article 2: in this article, we will summarize the replica set and analyze its working principles. I. Common application scenarios and Data I have already written the first article abou

Introduction to the high availability of a replica set The replica set achieves high availability through automatic failover. When the master node fails, the slave node can be elected as the master node, and this process is automatically performed in most cases, manual intervention is not required. In some cases, data rollback is required for automatic failover. Deployment of

Although the MacBook really good, but in the country's national conditions, there are many software is only supported IE and Windows system only. So it is necessary to install a Windows version of the system for their MacBook, previously tried to use boot camp to establish the partition and install Win7, and then you use Parallels Desktop installed win8.1, now with parallels Desktop + Win7. Boot Camp instal

Set the Java Development Environment on the MacBook Pro Okay, I went to the other side of the earth, and because my PC is not there, only one MacBook Pro can be used for development. This article should be seen as an enhanced bookmarkdonet. I have listed all the necessary Installation Tools for the MacBook to achieve its purpose, that is, for Java and later for

Apple's new 12 "slim MacBook is thinner than the thinnest MacBook Air ever, but comes with a retina display. The 12-inch Retina MacBook has a display resolution of 2304*1440, which is not as good as 15-inch and 13-inch Retina MacBook Pro, but far more than 13-inch MacBook Ai

Apple notebooks How to install Win7 and MacBook Pro How does an Apple notebook fit Win7 and MacBook Pro? As we all know, Macbook Pro is an excellent notebook product introduced by Apple, which is beautiful in appearance and excellent in performance. Many friends buy a MacBook Air notebook, but are not accustomed to Ap

According to 9to5mac's latest news, Apple will release the new MacBook Air in 2015, challenging the SLIM bottom line! According to 9to5mac, Apple insiders said the company plans to release the new MacBook Air this year, and the new release will not be a simple change, but a drastic replacement. The new 12-inch MacBook Air will be more sophisticated than the cas

2015 MacBook Pro 15 How much less money? The Apple 2015 MacBook Pro 15 notebook has a low and a high version of two versions, both CPU and graphics card are different, and thus the price is not the same. The 2015 MacBook Pro 15 low version is equipped with the latest Intel Core i7 processor, 16GB memory, 256GB SSD, and Intel Iris Pro Core graphics (not paired wi

Users who have Apple Watch on their hands have more knowledge of the Force Touch feature, or users who have purchased the new Macbook experience this feature. Force Touch is a touch sensing technology that Apple uses for Apple Watch, the new MacBook, and the new MacBook Pro. With Force Touch, the device senses the power of light and pressure, and brings o

Apple's Global Developers Conference (WWDC) will be held on June 10, 2013, and many people are starting to speculate on what new products and technologies Apple will launch at the conference. KGI Securities analyst Ming-chi Kuo, in a new report, predicted the highlights of the Apple Global Developers Conference (WWDC), noting that Apple will launch its new MacBook Pro and MacBook Air notebook, which is expe

Mongodb distributed cluster (2. Replica set) and mongodb cluster copyOverview Replica set is a type of master-slave replication. It is a master-slave replication that comes with the Failover function. It solves the disadvantages of the master-slave replication and does not require human intervention when the master server fails, the system automatically selects a new master server. Deployment Diagram TheT

primary node Oplog (in megabytes). 1.2 Adding and deleting sources Cat >>/etc/hosts You can use--source to specify the master node when starting from the node, or you can configure the source in the shell.[root@test02 ~]# mongod --fork --dbpath /data/node3 --logpath /data/mongodb.log --port 10003 --logappend --slave inserts the 192.168.27.212:10001 as a source on the node. > Db.sources.insert ({"Host": "192.168.27.212:10001"}); Query now gets the inserted document:

one, written in front of the words MongoDB supports asynchronous data replication between different services to implement failover (failover, failover, failback) and redundancy (data redundancy). At the same time, only one service node (primary or master) supports writing. MongoDB supports two modes of replication: Master/slave, master-slave replication, roles include Master and Slave. Replica set, replica

Environment: MongoDB version: 2.4.6,replica SetDemand: Primary pressure is too high, expect secondary share reading pressureObjectiveFrom an application perspective, it is much like using replica Set and using a single MONGO. The default driver connects to the primary node and routes all read and write requests to the master node. However, you can also configure additional options by setting the driver's re

Tags: comm har improve. com width TPI Print Monitor ...MongoDB is the most commonly used NODQL database and has risen to the top six in the database rankings. This article describes how to build a highly available MongoDB (shard + replica) cluster. Before you build a cluster, you need to understand several concepts: routing, sharding, replica set, configuration server, and so on.Related conceptsLet's take a