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-wh_500x0-wm_ 3-wmp_4-s_3441237563.png "title=" 2.png "alt=" Wkiom1miievtkf3jaaa4pjdkrky834.png-wh_50 "/>,MongoDB Database started successfully1.2 MongoDB-based driver for Ruby installedGem Install BsonGem Install MONGOAfter the installation is complete, query--local through gem query to see if the installation was successful, and whether the corresponding driver package and dependent package already exist,
in cmd input: Mongod--dbpath "D:\Program files (x86) \mongodb\server\3.0\data\db"--logpath "D:\Program Files (x86) \mongodb \server\3.0\data\log\mongodb.log "--install--servicename" MongoDB "this will cause a service called MongoDB in the window service to be more convenient.Here is the test I used to connect
2 There is a solution to the SYSTEMD global modification. This scenario is not verified by the author, as follows, meaning to modify the/etc/systemd/system.conf:Global configuration, placed in Files/etc/systemd/system.conf and/etc/systemd/user.conf. At the same time, all the. conf files in the two corresponding directories are loaded/etc/systemd/system.conf.d/*.conf and/etc/systemd/user.conf.d/*.confWhere system.conf is used by the system instance, user.conf the user instance. General Sevice, u
appears:2015-05-02t17:10:19.467+0800 I CONTROL Hotfix KB2731284 or later update is not installed, would zero-out data files MongoDB Shell version:3.0.2 connecting To:test8, so the MONOGDB in Windows environment is installed successfully.Add:9, if you do not bother to open the service with a command every time, you can write a batch file, is to create a new suffix. bat file, write the following code:Start Mongod--dbpath F:\
1. Download the MongoDB jar package and introduce it to the classpath of the project: mongodb2.5 driver package DownloadIf you use a MAVEN project, the latest dependencies are as follows:Dependency> groupId>Org.mongodbgroupId> Artifactid>Mongodb-driverArtifactid> version>3.2.0version>Dependency>It is important to note that if the project is not a MAVEN project but by introducing a jar package, then th
MONGOs is an automatic slicing component provided by MongoDB, in which almost all requests are forwarded through MONGOs to Mongod in MongoDB systems that provide fragmentation, and then mongos to be aggregated and finally returned to the client. To analyze and analyze the initialization of MONGOs , for the back through the MONGOs query, delete, modify, add records MapReduce aggregate and MONGOs automatic fr
the F Ile-system # Mongo-ruby-driver version > 1.10.0 require ' MONGO ' require ' fileutils ' require ' date ' include MONGO incl Ude Bson # The members of Replcation-set # Test MongoDB server version 2.6.0 # host = ' 192.168.11.51 ' # The Port of Memb ERS # If The port is 27017 by default then Otherport don ' t need to assignment # Otherport = "" # port = otherport.length! = 0? Otherport:mongoclient::D Efault_port # opts = {:p ool_size => 5,:p ool_t
MONGOs is the automatic Shard component provided by MongoDB, in the MongoDB system that provides the Shard function, almost all of the requests will be forwarded to the Mongod through MONGOs, and then the MONGOs is aggregated and returned to the client. The initial analysis MONGOs initialization , for later through MONGOs query, delete, modify, add to record MapReduce aggregate and MONGOs automatic shard an
Just getting started with MongoDB, when doing an application, is affected by the previously used relational database, which takes into account the database connection pool issues.
relational database, we do the connection pool is simply to establish a good n connection (connection
Tags: back-end ODA ons did await creat type TCO Bar Two days ago in learning MongoDB related knowledge, did a small demo, do is the province below how many schools, well, do more rough ... Connect MongoDB first to add a MongoDB package through NuGet, download this package Start writing code after installation, create a province entity, a school entity using M
data, enter the use
gabdb
db.user.insert ({dataid : 10001})
Db.user.find ()
Switch to the From node, you will find that using show DBS will error, because you have not opened the permission, enter Rs.slaveok (), can be successfully accessed. Switch from node
MONGO localhost:10002
//no permission Query
show DBS
//error
2016-01-06t14:48:53.155+0800 E query [ THREAD1] error:listdatabases failed:{"OK": 0, "errmsg": "Not Master and Slaveok=false", "Code": 13435}:
//Open
gabriel:seconda
IP reference, can not be set as the primary node, but voting, generally used to back up data.Delayed: You can specify a time delay to synchronize data from the primary node. Mainly used to back up data, if the real-time synchronization, the accidental deletion of data immediately synchronized to the slave node, recovery and can not recover.non-voting: secondary node without the right to vote, pure backup data node. This entire MongoDB replica set has
Tags: void Oca gen generated generate is the string ring ATIThe last chapter is over MongoDB installation and IDE tools, now start using Java to connect.The first step: using the jar package,Here need three packages, specifically why I do not know, anyway, because of the error, I have to follow the official documents are downloaded.Link: https://pan.baidu.com/s/1zCUBgXA96_SGFjVJ9p16hg Password: wlp3D:\jar\mongodb
MongoDB was installed, user Rex with admin root and test database added, and user authentication turned on.Connect to the MongoDB database as documented: $mongo = new MONGO ("Mongodb://rex:[email protected]");Results found error after opening firebug: "networkerror:500 Internal Server error-http://192.168.202.132/montest.php"There are a lot of ways to try it out,
open unclosed connection.
Should be repeatedly open connection failure error, so need to close the connection, I added a section of the code to close the connection, the result of the query results: The query to the data: Unde
So how do you handle the MongoDB database
First, installation
① Add the MONGO installation configuration to Yum
Vi/etc/yum.repos.d/mongodb-org-3.4.repo
Copy the following configuration to a file
[mongodb-org-3.4]
Name=mongodb Repository
baseurl=https://repo.mongodb.org/yum/amazon/2013.03/mongodb-org/3.4/x86_64/
Gpgcheck=1
enabled=1
GPGKEY=HTTPS://WWW.MONGODB
This 2 days learning mongodb3.2.9, the user set up, the results in C # query when the error, to see the literal meaning of the user verification did not pass, but I use the shell is completely no problem, and then the Internet search, found that I used the old driver, the old driver is the old check mode, And mongodb3.2.9 is using the new scram-sha-1 check, so the verification will not passMy side because of the software environment problems and want to continue to use the old drive, it needs to
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