Sql Replication Issues

One of the key decisions faced by enterprises that perform large data projects is which database to use, SQL or NoSQL? SQL has impressive performance, a huge installation base, and NoSQL is gaining considerable revenue and has many supporters. 　　Let's take a look at the views of two experts on this issue. Experts· VOLTDB's chief technology officer, Ryan Betts, says that SQL has won widespread deployments of large companies, and that big data is another area that it can support. Couchba ...

One of the key decisions that companies that perform large data [note] projects face is which database to use, SQL or NoSQL? SQL has impressive performance, a huge installation base, and NoSQL is gaining considerable revenue and has many supporters. 　　Let's take a look at the views of two experts on this issue. Experts· VOLTDB's chief technology officer, Ryan Betts, says that SQL has won widespread deployments of large companies, and that big data is another area that it can support. Couch ...

Data security for cloud computing often people ask us, what are the common problems and how to solve? As you can imagine, our cloud network is the world's largest outsourcing service provider of large Internet systems, so almost all the problems have been encountered. We run all kinds of games, electric dealers, mobile communications, advertising, finance, social activities, tourism and many other websites, so we have encountered various problems on various system platforms. In more than 10 countries around the world have millions of users, thousands of transactions per second, system problems and system crashes often occur, avoid, resulting in data leakage, data security hidden trouble also ...

In January 2014, Aliyun opened up its ODPS service to open beta. In April 2014, all contestants of the Alibaba big data contest will commission and test the algorithm on the ODPS platform. In the same month, ODPS will also open more advanced functions into the open beta. InfoQ Chinese Station recently conducted an interview with Xu Changliang, the technical leader of the ODPS platform, and exchanged such topics as the vision, technology implementation and implementation difficulties of ODPS. InfoQ: Let's talk about the current situation of ODPS. What can this product do? Xu Changliang: ODPS is officially in 2011 ...

The intermediary transaction SEO diagnoses Taobao guest stationmaster buys cloud host technology Hall DEDECMS system it Plato's lecture content dedecms System application skill, by our Dedecms the developer to lecture, the master lectures really very good, hoped some friends and has seen the all to see, I put the IT Plato lectures content, the purpose of convenience we have not seen the webmaster, I hope everyone likes! Thank you! If convenient, all the QQ Group window open for full screen, that originally I today is to comprehensively tell Dede some intermediate application ...

We are often asked what are the common problems and how to solve them? As you can imagine, we (Cloud Network) is the world's largest outsourcing service provider of large Internet systems, so we have almost met all the problems. We run all kinds of games, electric dealers, mobile communications, advertising, finance, social activities, tourism and many other websites, so we have encountered various problems on various system platforms. In more than 10 countries around the world, millions of users, processing thousands of transactions per second, system problems and system crashes often occur, avoid. However, some common problems are that we often touch ...

The concept of blockchain to technology has been around for a long time, but with the heat of the past two years, it has gradually become known by the market and many technicians.

MongoDB company formerly known as 10gen, founded in 2007, in 2013 received a sum of 231 million U.S. dollars in financing, the company's market value has been increased to 1 billion U.S. dollar level, this height is well-known open source company Red Hat (founded in 1993) 20 's struggle results. High-performance, easy to expand has been the foothold of the MongoDB, while the specification of documents and interfaces to make it more popular with users, this point from the analysis of the results of Db-engines's score is not difficult to see-just 1 years, MongoDB finished the 7th ...

Just a few years ago, duplicate data deletion was a stand-alone feature, and data deduplication offered an alternative to the storage systems in the enterprise backup and archiving department. It also found new uses in cloud gateways to filter out unnecessary chunks of data before entering the array or virtual tape library. Now, it has become a unified computing system of the pre-integrated functionality. Understanding how to use this technology more effectively becomes a requirement.   At the same time IT managers should re-examine storage issues and ask the vendors who provide them with storage. 1. Data de-duplication technology for backup performance ...

It has been almost 2 years since the big data was exposed and the customers outside the Internet were talking about big data. It's time to sort out some of the feelings and share some of the puzzles that I've seen in the domestic big data application. Clouds and large data should be the hottest two topics in the IT fry in recent years. In my opinion, the difference between the two is that the cloud is to make a new bottle, to fill the old wine, the big data is to find the right bottle, brew new wine. The cloud is, in the final analysis, a fundamental architectural revolution. The original use of the physical server, in the cloud into a variety of virtual servers in the form of delivery, thus computing, storage, network resources ...