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Deploying Hadoop + MongoDB Running environment

First download Mongo-hadoop adapter git clone https://github.com/mongodb/mongo-hadoop.git git checkout release-1.0 Then go into the Mongo-hadoop directory and find the BUILD.SBT to modify hadoop920.html ">release in Thisbuild as shown below ...

MongoDB, modeless document database introduction

Recent discussions about http://www.aliyun.com/zixun/aggregation/22.html "> The future of the relational database have been growing, and 51cto.com has previously reported on whether the end of the relational database has arrived" and The fundamental problem analysis of relational database is widely concerned.   Today we introduce a new document-type database MONGO. MONGO is a high-performance, open source, modeless document database, it's in many scenarios ...

Using MONGO Connector and Elasticsearch to implement fuzzy matching

"Editor's note" This blog author Luke Lovett is the MongoDB company's Java engineer, he demonstrated MONGO connector after 2 years of development after the metamorphosis-complete connector at both ends of the synchronization update. , Luke also shows how to implement fuzzy matching by Elasticsearch. The following is a translation: the introduction assumes that you are running MongoDB. Great, now that you have an exact match for all the queries that are based on the database. Now, imagine that you're building a text search work in your application ...

10gen release MongoDB and Hadoop connectors

10gen recently announced that they have launched http://www.aliyun.com/zixun/aggregation/13461.html ">mongodb and Hadoop Connectors (version 1.0)." This version will provide maintenance for one year. 10gen's work also provides users with integrated tools for MONGODB deployment and Hadoop cluster data processing. This connector supports the version of Hadoop 0.20.x. The key function of the connector is ...

MongoDB 1.6 Release increases automatic partitioning and replication subset support

MongoDB is a product between relational database and non relational database, and is the most powerful and relational database in the relational database. The data structure he supports is very loose and is a JSON-like Bjson format, so you can store more complex data types. The biggest feature of MONGO is that the query language he supports is very powerful, and its syntax is somewhat similar to an object-oriented query language, which can almost achieve most of the functions of a single table query like relational database, and also supports indexing data. Just released MongoDB 1 ...

PHP programmers should understand five things MongoDB

2010 should be remembered because SQL will die this year. This year, the relational database is on the verge of falling, and this year developers found they no longer needed long, laborious columns or tables to store data. 2010 will be the starting year for document databases. Although this momentum has lasted for many years, it is now the era of more and broader document-based databases. From cloud-based Amazon to Google, a large number of open source tools, and the ensuing CouchDB and MongoDB. So what is MongoD ...

Brief analysis of MongoDB and its C # drive operation steps

1: A simple introduction MongoDB is a distributed document database, supporting the master-slave structure of similar closed-type database, the document is stored in binary http://www.aliyun.com/zixun/aggregation/16702.html ">json form", No locks, no transactions, indexed. 2: Installation Steps Step one: Download the assembly http://www.mongodb.org/downloads Part II: Extract and extract the relevant bin directory to C ...

MongoDB 2.0 Journaling

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 ...

Discard relational database PHP programmers should know five things about MongoDB

"51CTO exclusive feature" 2010 should be remembered, because the SQL will die in the year. This year's relational database is on the go, and this year developers find that they don't need long, laborious construction columns or tables to store data. 2010 will be the starting year for a document database. Although the momentum has been going on for years, now is the age when more and more extensive document databases appear. From cloud-based Amazon to Google, a number of open-source tools, along with the birth of Couchdb and MongoDB. So what ...

Getting Started MongoDB, you need to pay attention to the 4 tips

"51CTO classic" I like MongoDB mainly because it is so simple and natural to use it in dynamic languages. So far, I've used it in two projects (Encode and SPARRW), although I'm very happy with the choice, but there are some problems I haven't noticed, and these problems have kept me scratching my scalp for hours. If you have more than one machine, and then allocate a few more machines for the database, then some problems can be solved, but my project is running on a single (virtual) server on the low flow w ...

R Performance Test--rmongo for MongoDB

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 ...

MongoDB Install configuration under Windows

installation files: http://www.aliyun.com/zixun/aggregation/11307.html > Official website http://www.mongodb.org/downloads Select the file download for the corresponding system. First, unzip the file. Unzip the compressed package, create the folder MongoDB in D disk, and copy all the. exe files in the compressed package to the D:mongodb folder. Second, the establishment of working directory. 1, building ...

Open source cloud Computing Technology Series Three (10gen) installation configuration

10gen is a cloud computing platform that can provide scalable, high-performance data storage solutions for Web applications. 10gen Open Source project is MongoDB, the main function is to solve the website of operational data storage, session object storage, data caching, efficient real-time count (such as statistical pv,uv), and support ruby,python,java,c++, PHP and many other page languages. MongoDB main feature is the storage of data is very convenient, not the traditional object-rel ...

Loganalyzer 3.5.2 Publishing System log Analysis tool

Loganalyzer is a Web front-end for syslog logs and other network event data. It provides a simple view of the log, search, basic analysis, and some chart reporting capabilities. Data can be obtained from a database or a generic syslog text file, so Loganalyzer does not need to change the existing record schema. Based on the current log data, it can handle syslog log messages, Windows event log records, support troubleshooting, and enable users to quickly find the solution to the problem in log data. Lo ...

A data storage technology of map tile based on NoSQL

A data storage technology of map tile based on NoSQL Chen, Liang, Hao Wen, Juagen, Li Yuxiang, Shu Fangfibenwen Firstly, this paper introduces the origin and development of NoSQL (non relational database), compares the advantages and disadvantages of the relational database, and puts forward the storage strategy of map tile data based on NoSQL. The difference between the MONGO DB and SQL Serv-er 2000 in the storage and concurrent access performance of the NoSQL database products oriented to document is analyzed by experiment. The results show that the Mongo db in the mass space number ...

Discussion on NoSQL database

With the rise of internet web2.0 websites, the relational database has become a very hot new field, the development of the non relational database products is very rapid.   But the traditional relational database in dealing with web2.0 website, especially the super large-scale and high concurrent SNS type web2.0 pure dynamic website already appeared to be powerless, has exposed many insurmountable problems, for example: 1, high configured--to the database higher concurrent reads and writes the demand WEB2.0 website to be based on user personalized information to generate real-time dynamic ...

MongoDB 2.0 new features look at the compact Command

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 ...

Looking at NoSQL talent demand from the recruiting website: Hadoop is the champion

A recent survey conducted by the Nosqlweekly website, which analyzed the recruitment data of the two recruiting websites of SimplyHired.com and Indeed.com, drew a few contrasting graphs, from which Hadoop saw the most. (Note: The author in the composition of only http://www.aliyun.com/zixun/aggregation/13461.html ">mongodb this keyword matching, did not MONGO this keyword ...

How to use HTML5 and MongoDB to create a location-aware Web program

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, ...

Implementation of millions real-time message push service in Worktile

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+ ...

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