Json Expansion

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 ...

In 2017, the double eleven refreshed the record again. The transaction created a peak of 325,000 pens/second and a peak payment of 256,000 pens/second. Such transactions and payment records will form a real-time order feed data stream, which will be imported into the active service system of the data operation platform.

Some financial analysts questioned Teradata's ability to continue its growth in the IT market. While this segment of customers does put Hadoop on the agenda, customers often choose to give up only if data warehouse vendors with decades of experience find it difficult. "What's more important is to get rid of the misunderstanding of speculation rather than make a compromise at the level of reality," Scott Gnau, president of Teradata Labs, pointed out in a recent interview - the focus of this interview was to explore open source Hadoop from a historical perspective ...

Some financial analysts questioned Teradata's ability to continue its growth in the IT market. While this segment of customers does put Hadoop on the agenda, customers often choose to give up only if data warehouse vendors with decades of experience find it difficult. "What's more important is to get rid of the misunderstanding of speculation rather than make a compromise at the level of reality," Scott Gnau, president of Teradata Labs, pointed out in a recent interview - the focus of this interview was to explore open source Hadoop from a historical perspective ...

"IT168" I have always felt that nosql in fact very easy to understand, I have also had a very in-depth study of NoSQL, but in the recent preparation of yuntable chart, found that NoSQL not only very profound, 　　And my personal understanding of NoSQL is only superficial, but I am still a "shame and then Yong" people, so after a period of study, from the sixth part of this series, will talk to you nosql, and this article will be the main to do a NoSQL database review. ...

Guide: Cloud computing is not so much a technological innovation as a revolutionary force. Video cloud computing is based on the concept of cloud computing technology, using video as a "cloud" to the "terminal" to show the results of a cloud computing solution. Whether it is Archie Art set up a dedicated team to expand the video cloud services market, or the Youku Platform API interface to the outside, or is it a video network bulletin said that with the music as a joint venture to establish an independent cloud computing company. 　　The concept of video + cloud has already been taken seriously. One question: "2012 is the year of OTT, when the whole concept of video cloud ...

"Editor's note" Docker and CoreOS are excellent "graduates" of the Silicon Valley incubator, and it is said that two bosses have a good personal relationship, Docker do container engines, CoreOS container management, cooperation is very happy, but with the release of Rocket gradually "parted". Although Docker and CoreOS are seeking "Jane", but Docker "Jane" is to strive to achieve the most convenient use of the user, CoreOS "Jane" is the pursuit of the ultimate lightweight, which will be the future of container technology, in fact, it is difficult ...

VMware suddenly released its first open source Paas--cloudfoundry this April. In the months since its release, the author has been concerned about its evolution and benefited from its architectural design, and felt the need to write to share it with you. This article will be divided into two parts: the first part mainly introduces the architecture design of Cloudfoundry, from the module that it contains, to the information flow of each part, how the modules coordinate and cooperate; The second part will be based on the first part, how to use Clou in your data center ...

1. Appium Official website: Http://appium.io/Appium is an open source automation testing framework, which is mainly used for native mobile applications or hybrid mobile applications. 　　Appium uses Webdriver:json wire Kyoto to drive iOS apps and Android apps. Note: Webdriver is a selenium based automated test class library that is not running in the browser Javas ...