mongodb集群搭建mongodb的复制集群类型:·主从模式(master/slave)·副本集模式(replicaset)副本及模式至少3个节点(一主二从),从节点负责复制主节点的oplog
进入admin库,,激活collection分片并配置shard key唯一
>use admin
mongos> db.runcommand( { shardcollection : test11.testcoll,key : {_id : 1 } , unique : true } )
{ collectionsharded : test11.testcoll, ok :1 }
查看分片状态信息
mongos> db.printshardingstatus();
--- sharding status ---
sharding version: {
_id : 1,
version : 3,
mincompatibleversion : 3,
currentversion : 4,
clusterid :objectid(532fa07065574826130abfbf)
}
shards:
{ _id : rs0, host :rs0/172.23.214.47:27017,172.23.214.50:27017,172.23.215.61:27017 }
databases:
{ _id : admin, partitioned : false, primary : config}
{ _id : test11, partitioned : true, primary : rs0 }
test11.testcoll
shard key: { _id : 1 }
chunks:
rs0 1
{ _id : { $minkey : 1 } } -->> { _id: { $maxkey : 1 } } on : rs0 timestamp(1, 0)
{ _id : testdb, partitioned : true, primary : rs0 }
{ _id : test, partitioned : false, primary : rs0 }
本文出自 “心情依旧” 博客,请务必保留此出处