Mongodb

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About

MongoDB can be defined as a document database, that includes the storage of data in JSON-life documents. In other words, it is a cross-platform document-oriented database program that is developed by MongoDB Inc. and is licensed under the Server Side Public License (SSPL).

Miri InfoTech is launching a product that will configure and publish Abante Cart which is embedded pre-configured tool with Ubuntu and ready-to-launch AMI on Amazon EC2 which contains mongodb.

Features of MongoDB

Ad-hoc queries

One of the best features of MongoDB is that it supports field, range query, and regular expression searches. Queries can return particular document fields and can involve user-defined JavaScript functions. Also, they can be configured to return a random sample of outcomes of a given size.

Indexing

Indexing is a great feature of MongoDB as it allows easy indexing of documents with primary and secondary indices.

Replication

MongoDB offers high availability with replica sets that consists of two or more than two copies of data. In this regard, each replica set member can act in primary and secondary replica role at any time. Mostly, the writes and reads are done on the primary replica by default whereas secondary replicas maintain a data copy of the primary utilizing built-in replication. When there is any failure of the primary replica then the replica set automatically gets into an election process to identify which secondary should act as primary.

Load Balancing

MongoDB runs over numerous servers, balance the load, or duplicate the data to maintain system up and run effectively in case of hardware failure happens.

File Storage

It can be easily utilized as a file system known as GridFS, with the features of load balancing and data replication over various machines to store files.

You can subscribe MongoDB an AWS Marketplace product and launch an instance from the product’s AMI using the Amazon EC2 launch wizard.

To launch an instance from the AWS Marketplace using the launch wizard

  • Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/
  • From the Amazon EC2 dashboard, choose Launch Instance. On the Choose an Amazon Machine Image (AMI) page, choose the AWS Marketplace category on the left. Find a suitable AMI by browsing the categories, or using the search functionality. Choose Select to choose your product.
  • A dialog displays an overview of the product you’ve selected. You can view the pricing information, as well as any other information that the vendor has provided. When you’re ready, choose Continue.
  • On the Choose an Instance Type page, select the hardware configuration and size of the instance to launch. When you’re done, choose Next: Configure Instance Details.
  • On the next pages of the wizard, you can configure your instance, add storage, and add tags. For more information about the different options you can configure, see Launching an Instance. Choose Next until you reach the Configure Security Group page.
  • The wizard creates a new security group according to the vendor’s specifications for the product. The security group may include rules that allow all IP addresses (0.0.0.0/0) access on SSH (port 22) on Linux or RDP (port 3389) on Windows. We recommend that you adjust these rules to allow only a specific address or range of addresses to access your instance over those ports
  • When you are ready, choose Review and Launch.
  • On the Review Instance Launch page, check the details of the AMI from which you’re about to launch the instance, as well as the other configuration details you set up in the wizard. When you’re ready, choose Launch to select or create a key pair, and launch your instance.
  • Depending on the product you’ve subscribed to, the instance may take a few minutes or more to launch. You are first subscribed to the product before your instance can launch. If there are any problems with your credit card details, you will be asked to update your account details. When the launch confirmation page displays.

Usage/Deployment Instruction

Step 1: SSH into the instance and type the username as “ubuntu” and then type the following commands:

Command: sudo su

Command: nano /etc/mongodb.conf

Update the public ip of the running instance as shown in the screen below and then save and exit the file.

Command: systemctl restart mongodb

Command: systemctl status mongodb

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    Database management software can help you create and manage your databases so you can easily capture and analyze data. This easily accessible data often leads to greater business insight, helping you refine your data-driven efforts.

    These things vary on the sizing/number of the application transactions and/or hardware considerations for the database. For more details on this you need to request for Database Planning with our support team.

    In a rough sense, it is similar to the Post-Triggers of the database world. But with functions, the action is already completed at the data-layer, and the event handler just gives an interface by which developers can key in the logic of what needs to happen ‘after’ the action is done. What a function sees is the actual event of the change, and hence it does not directly correlate with Database Triggers.

    It totally depends on the application interface that you are using. These are some following ways,

    • You can verify only from the front-end when application interface shows view functionality of the data you enter. Mainly, Black box test engineers do this functionality verification test in this way.
    • If application interface doesn’t provide view functionality of the data you enter, then you can check for database update by using relevant SQL/Oracle query.

    Highlights

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      It has all the power of a relational database.

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      It makes sure that your data is always backed-up with customizable schedules and retention practices.

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      It is the global cloud database for the latest applications that are distributed and secure by default. Also, it is available as a full-fledged managed service on Azure, AWS, and Google Cloud.

    Application Installed

    • icon mongodb
    • icon linux
    • icon Python