Mongodb How To

In the use of Team collaboration tool Worktile, you will notice whether the message is in the upper-right corner, drag the task in the Task panel, and the user's online status is refreshed in real time. Worktile in the push service is based on the XMPP protocol, Erlang language implementation of the Ejabberd, and on its source code based on the combination of our business, the source code has been modified to fit our own needs. In addition, based on the AMQP protocol can also be used as a real-time message to push a choice, kick the net is to use rabbitmq+ ...

The author of this article, Shesu is Admaster data mining director, Cloud computing practitioners, 10 data warehousing and data mining consulting experience, is focused on the distributed platform of mass data mining and machine learning. The following is the full text of the article: with the Internet, mobile Internet and the development of things, no one can deny that we have effectively ushered in a massive data era, IDC, a data-research firm, expects 2011 data to reach 1.8 trillion GB, and the analysis of these massive data has become a very important and urgent requirement. As an Internet number ...

Mongo4ben is a benerator plug-in for data generation and processing, and http://www.aliyun.com/zixun/aggregation/13461.html ">mongodb anonymous operations. It supports the import/export of generated data to MongoDB instances and the modification of data in an existing database. Benerator definition Benerator is a performance test data generation tool. It is used for fully synthesized data test, number ...

HBase provides both scalability and the economics of sharing the same infrastructure as Hadoop, but does its flaws rip off its hind legs? 　　The NoSQL expert laid out the debate frame. HBase is part of the world's most popular large data-processing platform, Apache Hadoop, modeled after Google BigTable. 　　But can this lineage guarantee hbase a dominant role in the competitive and fast-growing NoSQL database market? Michael of the MAPR company.

With the development of data services and NoSQL databases, Web applications increasingly need NoSQL databases, and now it seems that NoSQL databases have a tendency to break traditional relational databases. In December last year, couchbase a http://www.aliyun.com/zixun/aggregation/32268.html "> survey showed that many companies are ready to adopt NoSQL technology over the next year." But why did they deploy NoSQL? Why they give up ...

Social media, E-commerce, mobile communications, and machine-machine data exchange make terabytes or even petabytes of data that the enterprise IT department must store and process.   Mastering fragmentation best practices is a very important step in the cloud planning process when users process data for cloud computing databases. Fragmentation is the process of splitting a table into a manageable size disk file. Some highly resilient key-value data stores, such as Amazon simple DB, Google App engine ...

Sina Science and technology news October 21 afternoon, "Grand Cloud" (www.grandcloud.cn) announced its products Mongoic officially open to the outside world, this is China's first professional MongoDB cloud services, is the first global support for database recovery MongoDB cloud services. It is reported that "grand Cloud" mongoic Support Online one-click application database, can be exempted from the construction of MongoDB cluster cumbersome work. Mongoic supports various forms of backup: Users can not only customize daily or weekly backups, but also perform important exercises ...

Microsoft recently announced the development of a open-source version of Hadoop compatible with Windows Server and Windows Azure platform. IBM announced the creation of a new storage architecture on Hadoop to run DB2 or Oracle databases as a cluster to enable applications to support high-performance Analytics, data warehousing applications, and cloud computing purposes. EMC has also launched the world's first custom, high-performance Hadoop dedicated data processing equipment--greenplum HD Data computing equipment, providing customers with the most powerful 、...

Guide: Mike Loukides is the vice president of the content strategy of O ' Reilly Media, and he is very interested in programming languages and UNIX system management, with system configured tuning and UNIX power Tools. In this article, Mike Loukides put forward his insightful insights into nosql and thought deeply about all aspects of modern database architecture. In a conversation last year, Basho, CTO of the company, Justin Sheehy, recognized ...

Introduction: Pixable is becoming a light blog Tumblr (tumblr:150 The architectural challenges behind the amount of browsing), another hot social media, it is a photo-sharing center. But pixable can automatically grab your Facebook and Twitter images and add up to 20 million images a day, how do they handle, save, and analyze the data that is exploding? Pixable CTO Alberto Lopez Toledo and Engineering vice President Julio V ...

Recently, Clay.io's Zoli Kahan began writing "10X" series of posts. Through this series of posts, Zoli will share how to use only a small team to support Clay.io's large-scale applications. The first share is an inventory of the technology used by Clay.io. CloudFlare CloudFlare is primarily responsible for supporting DNS and as a buffer proxy for DDoS attacks while cloud ...

Since March 20, 2013 Docker appeared in front of developers, less than two years now. "Docker has transformed from a great idea into a great technology, and from a great technology to a great ecosystem, and even from a great ecosystem to a great movement." "I remember at the Docker summit in 2013, developers were still talking about Docker, and at the 2014 Amsterdam Summit, participants were already sharing its case." However, Docker's business ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall looking back found Semwatch has been a long time no update, although the blog traffic, but as a non-profit group Bo, when it gives the real need of people a little practical useful articles, that is enough. 　　As a member of the editor, I think it is necessary to keep such a spirit of their own meager power to continue. When we start a SEO job, the first thing to do is to make sure that everything we do can be supported by data-not our intuition. SE ...

In recent days, database start-ups citus data to implement fast SQL queries on Hadoop, which is not a big deal, because for them, the bigger goal is in the back. Citus data has gone beyond postgres to extend its high-speed, analytical database Citusdb to Hadoop, and then it should be expanding to MongoDB and other database products you already think of. Gigaom's correspondent Derrick Harris thinks Citus data is ...

The new PostgreSQL open source database is built into a widely used JSON data Interchange format and targets http://www.aliyun.com/zixun/aggregation/13461.html "> 　　MongoDB is the NoSQL market in the non relational data store represented. PostgreSQL released the first beta version of PostgreSQL 9.4 in Thursday. This beta includes a large number of Web applications for fast growth ...

With the development of the Internet, mobile Internet and IoT, no one can deny that we have actually ushered in a massive data era, data research company IDC expects 2011 total data will reach 1.8 trillion GB, the analysis of these massive data has become a very important and urgent demand. As an Internet data analysis company, we are "revolt" in the field of analysis of massive data. Over the years, with stringent business requirements and data pressures, we've tried almost every possible big data analysis method, and finally landed on the Hadoop platform ...

Today, the company opened the mailbox and was pleasantly surprised to find http://www.aliyun.com/zixun/aggregation/13461.html ">mongodb's News Letter, Open a look unexpectedly is 2.0 update, haha, so can't wait to start to try, because I usually only maintain the database, does not involve the development part, all the understanding is limited, most of the translation mainly. The following is the official document address: Http://www.mongodb.org/displ ...

Replica sets+http://www.aliyun.com/zixun/aggregation/14273.html ">sharding architecture is as follows: 1,shard server: Using Replica Sets ensures that each data node has the ability to backup, automatic fault-tolerant transfer, and automatic recovery. 2, configure the server: Use 3 configuration servers to ensure metadata integrity 3, routing process: Use 3 routing processes to achieve balance, improve client access ...

Wow haha, journaling is not really a new function, always in the previous version has appeared, but the official saying is still in the test, can not guarantee stability, but in 2.0 finally be correct, although said the server is not so easy to collapse, but better remedy is always exciting ah, hey. Simply put, MONGO all data operations will be placed in memory, and then one by one execution, once the machine is hung, those still in memory too late to execute the data will be lost, and journaling recorded every operation into memory when the action ...

"Editor's note" The Hot market for SaaS investment has spawned a large number of startups, and many startups in the 2014 SaaS niche have received huge sums of money, which will provide them with strong support for future platforms, marketing and so on. Enterprise cloud applications, represented by SaaS, are changing the overall it landscape. SaaS services are popular with small and medium-sized enterprises because of their simplicity and ease of use, as well as various features and user-friendly SaaS applications, and for the performance of the SaaS industry, IT staff in all walks of life ...