mongoDB advanced application

Replica set introduction What is a replica set -MongoDB replication is the process of synchronizing data on multiple servers. -Replication provides redundant backup of data and stores copies of data on multiple servers, improving data availability, And can ensure the security of data. -Replication also allows you to recover data from hardwa ...

Posted by Shibbey on Wed, 06 May 2020 03:09:50 +0200

Install MongoDB replica set under Centos

Simulate the installation of a replica set of MongoDB under a Centos Prepare three profiles: mongod.conf bind_ip=0.0.0.0 port = 27017 dbpath = /usr/local/mongo/data/ logpath = /usr/local/mongo/log/mongod.log fork=true logappend=true replSet=myMongoSet mongod2.conf bind_ip=0.0.0.0 port = 27018 dbpath = /usr/local/mongo/data2/ logpath = /usr/loc ...

Posted by rusty1001 on Mon, 20 Apr 2020 19:11:48 +0200

linux builds php performance analysis tool

First on the renderings: Installation environment Centos,php7,MongoDB3,nginx php extension mongodb: http://pecl.php.net/package/mongodbtideways_xhprof: https://github.com/tideways/php-xhprof-extension Install MongoDB3 By default, MongoDB2 is installed in my environment yum. xhgui requires version 3 or above. Create a yum source for MongoDB3 vi ...

Posted by jalapena on Sat, 11 Apr 2020 17:27:35 +0200

Mongodb Installation Required Read System Optimization

Mongodb released two available service versions: Community and Enterprise The Monodb we use is a community versionOfficial Recommendation:For the best installation experience, MongoDB provides packages for popular Linux distributions.These packages are the preferred way to run MongoDB. 1. linux platform support Install on Red Hat Supports the ...

Posted by comtek on Thu, 09 Apr 2020 23:24:20 +0200

mongoDB mongoDB cluster

mongoDB cluster introduce Solve data fragmentation and prevent data lossProduction environment needs to be deployed by scraping shards + replica sets Component route: provide entry, do not store data configserver: stores metadata information. It is recommended to use replica set shardserver: data storage service, store real data, maybe use re ...

Posted by phpjaco on Wed, 08 Apr 2020 10:17:52 +0200

A comprehensive table of Vue module (2) creating tables

A comprehensive table of Vue module (2) creating tables Technology stack Vue family bucket: Front end framework Vue.js State management Vuex Dynamic route matching Vue router http services axios Module packaging web pack UI framework element Data server Server side node.js node based web framework express mongodb: d ...

Posted by Dathremar on Sun, 05 Apr 2020 01:04:56 +0200

[MongoDB] aggregate embedded arrays

An array is embedded in the Mongo aggregate nested array document, which is to aggregate the embedded array. MongoDB 3.6 Data sample { "_id" : ObjectId("5aa63f7034cdbd6928f831ff"), "domain" : "metacafe.com", "cdn" : "LLNW", "geo_bytes" : [ { "bytes" : 223, "geo" : ...

Posted by saidbakr on Fri, 03 Apr 2020 03:06:18 +0200

How to use mongodb database in node.js

This paper introduces the usage of mongodb database in node.js project. The related directory structure is the directory in the project. The code is not uploaded first, only the method is introduced. Using mongodb for database The installation method of mongodb server is to execute apt get install mongodb in ubuntu, a ...

Posted by Walker33 on Thu, 02 Apr 2020 11:33:27 +0200

Removing fragmentation of mongodb fragmentation cluster

Refer to official documents: http://www.mongoing.com/docs/tutorial/remove-shards-from-cluster.html'>http://www.mongoing.com/docs/tutorial/remove-shards-from-cluster.html 1. Check whether balancer is on mongos> sh.getBalancerState() true 2. Find fragment id to delete mongos> sh.status() --- Sharding Status --- s ...

Posted by Idri on Thu, 02 Apr 2020 01:50:13 +0200

Spring Mongo configures multiple Mongos

Since the data store uses a MongoDB cluster, the address is the address of Mongos when accessed externally, and no problems were found during use. The configuration is as follows: <mongo:mongo host="${mongodb.hostname}" port="${mongodb.port}"> <mongo:options connections-per-host="${mongodb.port}" threads-allowed-t ...

Posted by Mesden on Mon, 16 Mar 2020 17:09:38 +0100