MongoDB Common Basic Management commands

1, start the service

Using Parameters

--dbpath specifying the data file path

--logpath Specifying error log files

--logappend Error Log Append method

--BIND_IP Listening IP Address

--port Listening Port

-F Start with parameter file

--folk Running in daemon mode

--syndelay the time of the system to flush the disk synchronously, the unit is wonderful

./mongod--dbpath=/data--logpath=/data/mongo.log--folk--bind_ip=192.168.234.154--port 999

If you start with a parameter file, you can write your own parameter file

Vim mongo.conf

Dbpath=/data

Logpath=/data/mongo.log

for (Var i=1;i<10;i++) db.test.save (' C ': i);

Db.test.find ();

./mongod-f mongo.conf--folk

2, some management tools

Bsondump: Dumps files in Bson format to JSON-formatted data

Mongodump/mongoimport Data Export Import Tool

Mongofiles:gridfs management tool to enable binary file access

MONGOs: Shard Routing, if the sharding feature is used, the application connects MONGOs instead of Mongod

Mongosniff: Similar to Tcpdump tool, fetch only MONGDB data

Mongostat: Real-time monitoring tool

View data space size

Db.userInfo.dataSize ();

> Db.pincer.dataSize ()

548

6, get the aggregate aggregate size

Db.userInfo.totalSize ();

7, aggregate storage space size

Db.userInfo.storageSize ();

8. Shard Version Information

Db.userInfo.getShardVersion ()

9. Clustered Collection Rename

Db.userInfo.renameCollection ("users");

Rename UserInfo to users

10. Delete the current aggregation collection

Db.userInfo.drop ();

3. Get all the aggregation sets of the current DB

Db.getcollectionnames ();

4. Displays the status of all clustered indexes in the current DB

Db.printcollectionstats ();

1. Add a user

Db.adduser ("name");

Db.adduser ("UserName", "pwd123", true);

Add user, set password, read-only

2, database authentication, security mode

Db.auth ("UserName", "123123");

3. Show all current users

Show Users;

4. Delete users

Db.removeuser ("UserName");

Verify Login:

MONGO--host=ip--port=num-uuser-ppassword dbname

1, the error message before the query

Db.getpreverror ();

2. Clear the Error Record

Db.reseterror ();

3. Clustered Collection Rename

Db.userInfo.renameCollection ("users");

List the actions that are being performed

Db.currentop (dbname)

Kill the operation that is being carried out

Db.killop (Opid)

Create a Collection

1, create a collection that is 100 000 bytes

Db.createcollection ("mycollection", {capped:true,size:100000})

2, create a collection with a size of 100000 bytes and a maximum document count of 100

Db.createcollection ("mycollection", {capped:true,size:100000max:100})

Force buffer data to be flushed to disk

Db.runcommand ({"Fsync": 1, "Lock": 1})

Online Backup and Recovery

mongodump-d Database-o Backupdir

mongorestore-d Database--drop Backupdir

MONGO Master

Master

Mongod--bind_ip=192.168.0.1--port=999--dbpath=/test--logpath=/test/mongo.log--logappend--master

Slave

Mongod--bind_ip=192.168.0.2--port=998--dbpath=/test--logpath=/test/mongo.log--logappend--slave--source 192.168.0.1:999

--only Copy only the specified database

--slavedelay from node delay, unit is seconds

--autoersync automatic resynchronization If the slave node is not synchronized with the primary node

--oplogsize primary node Oplog size, in units of M

This article from "Pincer" blog, reproduced please contact the author!

MongoDB Common Basic Management commands