![2. You can use three config servers to improve the High availability.
3. You can install three replica set to improve the High availability.
1. Install Primary/secondary Instance program on every shard
instance server.
Please refer to << MongoDB_Program_Installation_Guide.doc>>
#su - root
# mkdir -p /data/mongo
# mkdir -p /var/log/mongo/
# chown -R mongodb:mongodb /data/mongo
# chown -R mongodb:mongodb /var/log/mongo
# mkdir -p /data/mongo/shard1/
#numactl --interleave=all /opt/mongodb206/bin/mongod --shardsvr --replSet shard1 --port
27017 --dbpath /data/mongo/shard1 --oplogSize 100 --logpath /var/log/mongo/mongod.log --
logappend --fork --journal
* Notice:
1. You can change it by you install directory.
2. If you have secondary replica set, you can start primary replica set with nojournal
2. Initiate MongoDB replica set on every shard instance server.
# /opt/mongodb206/bin/mongo
>config = {_id: 'shard1' , members:
[
{_id: 0, host: '10.224.56.105:27017'}
]
}
>rs.initiate(config)](https://image.slidesharecdn.com/mongodbshardingclusterinstallationguide-121212025510-phpapp02/85/Mongo-db-sharding_cluster_installation_guide-3-320.jpg)
Mongo db sharding_cluster_installation_guide
- 1. MongoDB Sharding Cluster Installation Guide Version Author Abstract Release date 0.1 Philip zhong Draft 2012-07-09 Deployment Architecture ................................................................................................................... 2 Prepare Servers ................................................................................................................................. 2
- 2. Deployment Architecture Prepare Servers Shard Name Primary Instance server Second Instance server Mongos Server Config Server Shard1 10.224.56.105:27017 null 10.224.56.105:30000 10.224.57.165:20000 Shard2 10.224.56.106:27017 null 10.224.56.106:30000 10.224.57.165:20000 Shard3 10.224.56.107:27017 null 10.224.56.107:30000 10.224.57.165:20000 Shard4 10.224.56.108:27017 null 10.224.56.108:30000 10.224.57.165:20000 Shard5 10.224.56.109:27017 null 10.224.56.109:30000 10.224.57.165:20000 Shard6 10.224.56.110:27017 null 10.224.56.110:30000 10.224.57.165:20000 Shard7 10.224.56.111:27017 null 10.224.56.111:30000 10.224.57.165:20000 Shard8 10.224.56.112:27017 null 10.224.56.112:30000 10.224.57.165:20000 Shard9 10.224.56.113:27017 null 10.224.56.113:30000 10.224.57.165:20000 Shard10 10.224.56.114:27017 null 10.224.56.114:30000 10.224.57.165:20000 *Notice: 1. You can install Mongos to another single server.
- 3. 2. You can use three config servers to improve the High availability. 3. You can install three replica set to improve the High availability. 1. Install Primary/secondary Instance program on every shard instance server. Please refer to << MongoDB_Program_Installation_Guide.doc>> #su - root # mkdir -p /data/mongo # mkdir -p /var/log/mongo/ # chown -R mongodb:mongodb /data/mongo # chown -R mongodb:mongodb /var/log/mongo # mkdir -p /data/mongo/shard1/ #numactl --interleave=all /opt/mongodb206/bin/mongod --shardsvr --replSet shard1 --port 27017 --dbpath /data/mongo/shard1 --oplogSize 100 --logpath /var/log/mongo/mongod.log -- logappend --fork --journal * Notice: 1. You can change it by you install directory. 2. If you have secondary replica set, you can start primary replica set with nojournal 2. Initiate MongoDB replica set on every shard instance server. # /opt/mongodb206/bin/mongo >config = {_id: 'shard1' , members: [ {_id: 0, host: '10.224.56.105:27017'} ] } >rs.initiate(config)
- 4. * Notice: 1. If you want to add secondary replica set, you can add the server and port into Initiation. 3. Install config program on config server Please refer to << MongoDB_Program_Installation_Guide.doc>> #su - mongodb # mkdir -p /data/mongo/config # numactl --interleave=all /opt/mongodb206/bin/mongod --configsvr --dbpath /data/mongo/config --port 20000 --logpath /data/mongo/config/config.log --logappend --fork 4. Install mongos program on every shard mongos server If mongos server and mongoDB instance are not in same server, please refer to << MongoDB_Program_Installation_Guide.doc >> #su -root # mkdir -p /var/log/mongo/ # chown -R mongodb:mongodb /var/log/mongo #su - mongodb #/opt/mongodb206/bin/mongos --configdb 10.224.57.165:20000 --port 30000 --chunkSize 1000 --logpath /var/log/mongo/mongos.log --logappend –fork 5. Configure Shard Cluster Login one mongos server, For example: #/opt/mongodb206/bin/mongo 10.224.56.114:30000/admin >db.runCommand ({addshard:"shard1/10.224.56.105:27017",name:"s1",maxsize:20480}); >db.runCommand({addshard:"shard2/10.224.56.106:27017",name:"s2",maxsize:20480}); >db.runCommand({addshard:"shard3/10.224.56.107:27017",name:"s3",maxsize:20480}); >db.runCommand({addshard:"shard4/10.224.56.108:27017",name:"s4",maxsize:20480}); >db.runCommand({addshard:"shard5/10.224.56.109:27017",name:"s5",maxsize:20480}); >db.runCommand({addshard:"shard6/10.224.56.110:27017",name:"s6",maxsize:20480});
- 5. >db.runCommand({addshard:"shard7/10.224.56.111:27017",name:"s7",maxsize:20480}); >db.runCommand({addshard:"shard8/10.224.56.112:27017",name:"s8",maxsize:20480}); >db.runCommand({addshard:"shard9/10.224.56.113:27017",name:"s9",maxsize:20480}); >db.runCommand({addshard:"shard10/10.224.56.114:27017",name:"s10",maxsize:20480}); >db.runCommand({listshards : 1 }) >db.runCommand( { enablesharding : "<dbname>" } ); >db.runCommand( { shardcollection : "<dbname.collection>" , key : { "keyname" : 1 } } For example: >db.runCommand({enablesharding :"feeddb"}) >db.runCommand( { shardcollection : "feeddb.test" , key : { "username" : 1 } } ); for (var x=97; x<97+26; x+=3){ var y=(97+25); var prefix = String.fromCharCode(x) + String.fromCharCode(y); db.runCommand( { split :"feeddb.test", middle : {username : prefix } } ); }
- 6. 6. Trouble shooting #on testing ENV, you need turn off firewall and then you need restart the mongo programs. #/etc/init.d/iptables status #/etc/init.d/iptables stop #/etc/init.d/iptables status #chkconfig iptables off 7. Install Monitor program ???