mongodb学习2（高级部分）

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一、分片参看http://www.runoob.com/mongodb/mongodb-sharding.html

分片结构端口分布如下：

Shard Server 1：27020Shard Server 2：27021Shard Server 3：27022Shard Server 4：27023Config Server ：27100Route Process：40000

1：启动Shard Server

mkdir -p /www/mongoDB/shard/s0

mkdir -p /www/mongoDB/shard/s1

mkdir -p /www/mongoDB/shard/s2

mkdir -p /www/mongoDB/shard/s3

mkdir -p /www/mongoDB/shard/log

/usr/local/mongodb/bin/mongod --port 27020 --dbpath=/www/mongoDB/shard/s0 --logpath=/www/mongoDB/shard/log/s0.log --logappend --fork

/usr/local/mongodb/bin/mongod --port 27021 --dbpath=/www/mongoDB/shard/s1 --logpath=/www/mongoDB/shard/log/s1.log --logappend --fork

/usr/local/mongodb/bin/mongod --port 27022 --dbpath=/www/mongoDB/shard/s2 --logpath=/www/mongoDB/shard/log/s2.log --logappend --fork

/usr/local/mongodb/bin/mongod --port 27023 --dbpath=/www/mongoDB/shard/s3 --logpath=/www/mongoDB/shard/log/s3.log --logappend --fork

2：启动Config Server

mkdir -p /www/mongoDB/shard/config

/usr/local/mongodb/bin/mongod --port 27100 --dbpath=/www/mongoDB/shard/config --logpath=/www/mongoDB/shard/log/config.log --logappend --fork

3：启动Route Process

/usr/local/mongodb/bin/mongos --port 40000 --configdb localhost:27100 --fork --logpath=/www/mongoDB/shard/log/route.log --chunkSize 500

4：配置Sharding

/usr/local/mongodb/bin/mongo admin --port 40000

db.runCommand({addshard:'localhost:27020'})

db.runCommand({addshard:'localhost:27021'})

db.runCommand({addshard:'localhost:27022'})

db.runCommand({addshard:'localhost:27023'})

db.runCommand({enablesharding:'dingling'})

db.runCommand({shardCollection:'dingling',key:{id:1,time:1}})

二、备份和恢复

mongodump

mongorestore

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