mongodb data browser

This article is reproduced to: https://www.cnblogs.com/qingtianyu2015/p/5968400.html 1. Export tool: Mongoexport 1, Concept: the Mongoexport tool in MongoDB can export a collection to a file in JSON format or CSV format. You can specify the exported data items through parameters, or you can export the data based on the criteria you specify. 2. Syntax: mon

Http://itindex.net/blog/2014/11/07/1415353560000.htmlClick the URL link in your browser to launch a specific app.First make the HTML page, the page content format is as follows:This sentence will be all right.The meanings of each item are as follows:Scheme: Identify the app that starts. ※ The following details are describedHost: Proper descriptionPath: The key※ required to pass the value is not also availableQuery: Get the value of key and Value※ no a

Label: MongoDB data migration and synchronization of MONGODB data replicationMongoDB requires a minimum of two instances of replication. One is the master node master, which handles client requests and the rest is slave, which is responsible for replicating data from mas

\dataAfter installation is completeIn the browser input: http://localhost:27017/, you can see the following prompt:It looks like you is trying to access MongoDB over HTTP on the native driver port.Indicates successful installation Create Directory D:\MongoDB\logs Create a directory D:\mongodb\etc Create a f

MongoDB operating factors and data models The data of the MongoDB modeling application depends on the data itself, which is also related to the characteristics of MongoDB. For example, different

Label:There are many legends that MongoDB will lose data. In particular, there is a recent infoq translation of Sven's hydrology (why is it called hydrology?). Because it does not have his own original, just a few online blog, fried some cold to eat), which also mentioned the data lost things. As you know, as a database, the persistence of

Linux under the mongodb installation and data import and export tutorial# View linux release numberCat/etc/issue# View linux kernel versionUname-rI,Linux under The general steps of MongoDB installation1. Download the installation package for your system to the website of MongoDB (https://www.mongodb.org/downloads) C

We are about to start the simplest MongoDB connection to access data. Before that, you have installed MongoDB! Maybe, probably, it should have been installed. Really not installed yet? So: Click here to [install MongoDB] Start: Download a C # driver first. MongoDB provid

When the data volume is large or the request quantity is large, the direct index has a significant effect on performance, it can be used to make use of the replica set (which is usually the online environment when the data is large, and use the copy set as the inevitable choice or use the Shard). Partial machine downtime does not affect the nature of the copy set work, and then the index is established.Note

MongoDB is used in most cases as a module of data storage, and as a database, it should not generally assume more tasks.From a professional point of view, the task of text search to the professional search engine to take responsibility, is often a better choice.Commonly used search engines and MongoDB often have a ready-made tool, can be easily combined.1, Sphinx

Let's take a look at the testing machine performance (64bit ): ^_^[root@:~]#grep "model name" /proc/cpuinfo | cut -f2 -d: Intel(R) Xeon(R) CPU E5606 @ 2.13GHz Intel(R) Xeon(R) CPU E5606 @ 2.13GHz Intel(R) Xeon(R) CPU E5606 @ 2.13GHz Intel(R) Xeon(R) CPU E5606 @ 2.13GHz Intel(R) Xeon(R) CPU E5606 @ 2.13GHz Intel(R) Xeon(R) CPU E5606 @ 2.13GHz Intel(R) Xeon(R) CPU E5606 @ 2.13GHz Intel(R) Xeon(R) CPU E5606 @ 2.

Tags: data center database MongoDB Master-slave backupData center in the operation of a variety of hardware, power, network failures and other problems, need to design a good system to isolate, minimize the impact on the upper application, continue to provide services; if business interruption occurs, it should be resumed as soon as possible. With master-slave backup design, when the main application system

space utilization efficiency. Releasing MongoDB space is troublesome (you need to drop the entire database or repair). TokuMX drop collect or index can release the space. Better memory management. MongoDB nmap is simple, but it is not convenient to allocate fixed memory. Both caching and I/O are scheduled by the operating system. After a long time, large data v

River can be synchronized with a variety of data sources, Wikipedia, MongoDB, CouchDB, RABBITMQ, RSS, Sofa, JDBC, Filesystem,dropbox, etc., and the company's business is to use MongoDB, Today, the test environment virtual machine configured Elasticsearch and MongoDB synchronization, make a general process record, mainl

The data in MongoDB is very flexible, and the collection does not require a uniform structure for documents. However, seriously considering the data model is still very important, because it will affect the application The data in MongoDB is very flexible, and the collection

( Is_numeric ($v 4)) {$v 4 = floatval ($v 4); $product [$k 1][$k 2][$k 3][$k 4] = $v 4;}} if (Is_time ($v 4)) {$product [$k 1][$k 2][$k 3][$k 4] = new \mongodate (Strtotime ($v 4));}} Else{foreach ($v 4 as $k 5=> $v 5) {if (!is_array ($v 5) !is_object ($v 5)) {if (In_array ($k 5, $productfloat)) {if ( Is_numeric ($v 5)) {$v 5 = floatval ($v 5); $product [$k 1][$k 2][$k 3][$k 4][$k 5] = $v 5;}} if (Is_time ($v 5)) {$product [$k 1][$k 2][$k 3][$k 4][$k 5] = new \mongodate (Strtotime ($v 5));}} El

MongoDB Data Link Modeling The data in MongoDB is very flexible, and the collection does not require a uniform structure for documents. However, seriously considering the data model is still very important, because it will affect application performance and database capabili

": +, "Videocdnstatus": Ten, "Checksumstatus": 10, " Mmsstatus ": 1}Encodecursor=db.video_encode.find (query)Historycursor=db.video_encode_history.find (query)Taskiterator (Encodecursor)Taskiterator (Historycursor) def taskiterator (cusor):For encode in Cusor:Mid=encode["Mid"]encodeid=encode["Encodeid"]vtype=encode["VType"]dsturl=encode["Dsturl"]checksumpath=encode["Checksumptah"]F.write (Str (mid) + "," +str (Encodeid) + "," +vtype+ "," +dsturl+ "," +checksumpath+ "\ n")Print "Start run to expo

1. Course OutlineThis course introduces the knowledge of MONGODB data model, including the basic concepts of documents, collections and databases, usage methods and naming rules, the introduction of MONGODB basic data types and the introduction and use of MongoDB shell.

1. Course OutlineThis course focuses on MONGODB data model-related knowledge. Contains basic concepts, usage, and naming conventions for documents, collections, and databases, the main data types of MongoDB, and the introduction and use of MongoDB shell. Document and C