Archivo de la categoría: mongodb

mongoDB blog

How To Install MongoDB 4.4 on RHEL 8 | CentOS 8

In this guide, we will cover the steps to install MongoDB 4.4 on RHEL 8 / CentOS 8. MongoDB is an open source NoSQL database system written in C++ designed to ensure scalability, high performance, and availability. MongoDB common use case is storage and management of Big Data-sized collections of literal documents like text documents, email messages,… Leer más »

How to Install and Configure MongoDB on CentOS 8

MongoDB is a NoSQL database that provides high performance, high availability, and automatic scaling. NoSQL database means that, unlike MySQL or PostgreSQL, it does not support SQL (Structured Query Language) to retrieve or manipulate the stored data. MongoDB does not store data in tables. Instead, it stores data in a «document» structure similar to JSON… Leer más »

How to Install MongoDB 3.2 on CentOS 7.x and RHEL 7.x

Step:1 Configure MongoDB 3.2 yum Repository. In both Operating system RHEL7.x and CentOS 7.x yum repositories are kept in ‘/etc/yum.repos.d/’ directory.  Create the mongodb repository file with the name “mongodb-org.repo”. [[email protected] ~]# cd /etc/yum.repos.d/ [[email protected] yum.repos.d]# vi mongodb-org.repo name=MongoDB 3.2 Repository baseurl=$releasever/mongodb-org/3.2/x86_64/ gpgcheck=1 enabled=1 gpgkey= Step:2 Install MongoDB package using yum command. To install MongoDB… Leer más »

Easy Steps to Limit Mongodb Memory Usage Spaces are important!!! # Where and how to store data. storage: dbPath: /var/lib/mongo journal: enabled: true # engine: wiredTiger # mmapv1: wiredTiger: engineConfig: configString: cache_size=200M

Text search mongo

db.employees.find({$text: {$search: «Jean Valjean»}}, {score: {$meta: «textScore»}}).sort({score:{$meta:»textScore»}})

Full-Text Search in MongoDB–cms-24835   MongoDB, one of the leading NoSQL databases, is well known for its fast performance, flexible schema, scalability and great indexing capabilities. At the core of this fast performance lies MongoDB indexes, which support efficient execution of queries by avoiding full-collection scans and hence limiting the number of documents MongoDB searches. Starting from version… Leer más »

How to increase sort buffered data limit?

db.adminCommand({setParameter: 1, internalQueryExecMaxBlockingSortBytes: }) 256GB > db.adminCommand({setParameter: 1, internalQueryExecMaxBlockingSortBytes: 268435456}); { «was» : 33554432, «ok» : 1 } db.employee.find( {$text: { $search : «pedro mario gonzales lopez» } }, { score : { $meta: «textScore» } }) .sort({ score: { $meta : «textScore» } } )