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知乎专栏多维度架构

41.3. 二进制tar包安装

Install MongoDB

wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-1.5.5.tgz

debian:/srv# tar zxf mongodb-linux-x86_64-1.5.5.tgz
debian:/srv# ln -s mongodb-linux-x86_64-1.5.5 mongodb
			

Create a data directory

By default MongoDB will store data in /data/db, but it won't automatically create that directory. To create it, do:

$ sudo mkdir -p /data/db/
$ sudo chown `id -u` /data/db
			

You can also tell MongoDB to use a different data directory, with the --dbpath option.

Run and connect to the server

First, start the MongoDB server in one terminal:

$ ./mongodb/bin/mongod
			

In a separate terminal, start the shell, which will connect to localhost by default:

$ ./mongodb/bin/mongo
> db.foo.save( { a : 1 } )
> db.foo.find()
			

Congratulations, you've just saved and retrieved your first document with MongoDB!

例 41.1. MongoDB Test

				
debian:/srv/mongodb/bin# ./mongo
MongoDB shell version: 1.5.5
connecting to: test
[initandlisten] Thu Jul 22 16:42:07 connection accepted from 127.0.0.1:42876 #1
> db.foo.save({a:1})
Thu Jul 22 16:42:23 allocating new datafile /data/db/test.ns, filling with zeroes...
Thu Jul 22 16:42:23 done allocating datafile /data/db/test.ns, size: 16MB,  took 0.025 secs
Thu Jul 22 16:42:23 allocating new datafile /data/db/test.0, filling with zeroes...
Thu Jul 22 16:42:23 done allocating datafile /data/db/test.0, size: 64MB,  took 0.105 secs
[conn1] Thu Jul 22 16:42:23 building new index on { _id: 1 } for test.foo
[conn1] Thu Jul 22 16:42:23 Buildindex test.foo idxNo:0 { name: "_id_", ns: "test.foo", key: { _id: 1 } }
[conn1] Thu Jul 22 16:42:23 done for 0 records 0secs
[conn1] Thu Jul 22 16:42:23 insert test.foo 136ms
> Thu Jul 22 16:42:23 allocating new datafile /data/db/test.1, filling with zeroes...
Thu Jul 22 16:42:24 done allocating datafile /data/db/test.1, size: 128MB,  took 0.228 secs
> db.foo.find()
{ "_id" : ObjectId("4c48046f74050cbf6c9a0ef6"), "a" : 1 }

> use neo
switched to db neo
> db.foo.save({a:1})
Thu Jul 22 16:54:50 allocating new datafile /data/db/neo.ns, filling with zeroes...
Thu Jul 22 16:54:50 done allocating datafile /data/db/neo.ns, size: 16MB,  took 0.026 secs
Thu Jul 22 16:54:50 allocating new datafile /data/db/neo.0, filling with zeroes...
Thu Jul 22 16:54:50 done allocating datafile /data/db/neo.0, size: 64MB,  took 0.122 secs
[conn1] Thu Jul 22 16:54:50 building new index on { _id: 1 } for neo.foo
[conn1] Thu Jul 22 16:54:50 Buildindex neo.foo idxNo:0 { name: "_id_", ns: "neo.foo", key: { _id: 1 } }
Thu Jul 22 16:54:50 allocating new datafile /data/db/neo.1, filling with zeroes...
[conn1] Thu Jul 22 16:54:50 done for 0 records 0.01secs
[conn1] Thu Jul 22 16:54:50 insert neo.foo 164ms
> Thu Jul 22 16:54:50 done allocating datafile /data/db/neo.1, size: 128MB,  took 0.217 secs

> db.foo.find()
{ "_id" : ObjectId("4c48075a74050cbf6c9a0ef7"), "a" : 1 }
>

> db.neo.save({a:1})
[conn1] Thu Jul 22 16:58:32 building new index on { _id: 1 } for neo.neo
[conn1] Thu Jul 22 16:58:32 Buildindex neo.neo idxNo:0 { name: "_id_", ns: "neo.neo", key: { _id: 1 } }
[conn1] Thu Jul 22 16:58:32 done for 0 records 0.024secs
> db.neo.find()
{ "_id" : ObjectId("4c48083874050cbf6c9a0ef8"), "a" : 1 }

				
			

Starting Mongo

Running as a Daemon

 $ ./mongod --fork --logpath /var/log/mongodb.log --logappend