Mongodb Insert Data To Collection

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 ...

Recently MongoDB in hack news is frequently shot. Many people even claim to hate Mongodb,david Mytton on his blog to expose MongoDB many existing problems. But those who hate have a lot in common, as a comeback: Russell Smith brings a summary of years of work experience. Russell Smith has worked as an OPS and a large website scaling advisor and has helped Guardian, Experian and many other companies, MongoDB Lond ...

In our daily life, we are inseparable from the application of position recognition class. Apps like Foursquare and Facebook help us share our current location (or the sights we're visiting) with our family and friends. Apps like Google Local help us find out what services or businesses we need around our current location. So, if we need to find a café that's closest to us, we can get a quick suggestion via Google Local and start right away. This not only greatly facilitates the daily life, ...

NoSQL Recent momentum is good, http://www.aliyun.com/zixun/aggregation/13461.html ">mongodb is one of the Jiao jiao, oneself learn nosql when also reference a lot of information, The final decision to start from the MongoDB, the most important reason has two: 1 oneself is a simple amateur, all problems I think whether there is a simple way to solve, rather stop to think a lot of time, also do not want to use stupid method to do immediately, and Mong ...

At the beginning of September, rhttp://www.aliyun.com/zixun/aggregation/13461.html ">mongodb officially released the revised version, which means The language of the numerical calculation can also be in line with the NoSQL product, but in view of my side does not have the company really to use the Union of R and MongoDB, so in the efficiency question, we also dare not take lightly, therefore did one such test. The test environment is 8 cores, 64-bit machines. be used for ...

There is no road in the world, and the people who walk more and more become the way. 　　Why not build a mongodb on http://www.aliyun.com/zixun/aggregation/14171.html ">postgres"?  The Postgres community did not sit on the NoSQL after taking a series of actions.  Postgres has been progressing: integrating JSON and PLV8. PLV8 introduce ...

As a http://www.aliyun.com/zixun/aggregation/6434.html "> software developer, we value the abstraction of things." The simpler the API, the more attractive it is to us. 　　Dialectically, the biggest advantage of MongoDB is the "elegant" API and its agility, which makes the coding process of developers unusually simple. However, when MongoDB involves large data scalability issues, developers still need to know the bottom of it ...

"Editor's note" WiX has been operating the site for a long time, and after the launch of the WYSIWYG web platform based on HTML5, users have established more than 54 million sites in the company, and most of these sites have less than 100 solar PV. Since the PV of each page is low, the traditional caching strategy does not apply. Even so, however, the company has done so with only 4 Web servers. Recently, WiX chief back-end engineer Aviran Mordo in "...

This article is my second time reading Hadoop 0.20.2 notes, encountered many problems in the reading process, and ultimately through a variety of ways to solve most of the. 　　Hadoop the whole system is well designed, the source code is worth learning distributed students read, will be all notes one by one post, hope to facilitate reading Hadoop source code, less detours. 1 serialization core Technology The objectwritable in 0.20.2 version Hadoop supports the following types of data format serialization: Data type examples say ...