当应用的压力小时,可以减少一些节点来减少硬件资源的成本;总之这是一个长期且持续的工作。
下面将刚刚添加的两个新节点28013 和28014 从复制集中去除掉,只需执行rs.remove 指令就可以了,具体如下:
- rs1:PRIMARY>rs.status()
- { @H_301_16@ "set":"rs1",
- "date":ISODate("2012-05-31T14:08:29Z"), @H_301_16@ "myState":1,248); line-height:21px; margin:0px!important; padding:0px 3px 0px 10px!important"> "members":[ @H_301_16@ {
- "_id":0,108); list-style:decimal-leading-zero outside; color:inherit; line-height:21px; margin:0px!important; padding:0px 3px 0px 10px!important"> "name":"localhost:28010",248); line-height:21px; margin:0px!important; padding:0px 3px 0px 10px!important"> "health":1,108); list-style:decimal-leading-zero outside; color:inherit; line-height:21px; margin:0px!important; padding:0px 3px 0px 10px!important"> "state":1,248); line-height:21px; margin:0px!important; padding:0px 3px 0px 10px!important"> "stateStr":"PRIMARY",108); list-style:decimal-leading-zero outside; color:inherit; line-height:21px; margin:0px!important; padding:0px 3px 0px 10px!important"> "optime":{
- "t":1338473273000,108); list-style:decimal-leading-zero outside; color:inherit; line-height:21px; margin:0px!important; padding:0px 3px 0px 10px!important"> "i":1
- },108); list-style:decimal-leading-zero outside; color:inherit; line-height:21px; margin:0px!important; padding:0px 3px 0px 10px!important"> "optimeDate":ISODate("2012-05-31T14:07:53Z"),248); line-height:21px; margin:0px!important; padding:0px 3px 0px 10px!important"> "self":true @H_301_16@ },108); list-style:decimal-leading-zero outside; color:inherit; line-height:21px; margin:0px!important; padding:0px 3px 0px 10px!important"> "_id":1,248); line-height:21px; margin:0px!important; padding:0px 3px 0px 10px!important"> "name":"localhost:28011",108); list-style:decimal-leading-zero outside; color:inherit; line-height:21px; margin:0px!important; padding:0px 3px 0px 10px!important"> "health":1,248); line-height:21px; margin:0px!important; padding:0px 3px 0px 10px!important"> "state":2,108); list-style:decimal-leading-zero outside; color:inherit; line-height:21px; margin:0px!important; padding:0px 3px 0px 10px!important"> "stateStr":"SECONDARY",248); line-height:21px; margin:0px!important; padding:0px 3px 0px 10px!important"> "uptime":34,248); line-height:21px; margin:0px!important; padding:0px 3px 0px 10px!important"> "lastHeartbeat":ISODate("2012-05-31T14:08:29Z") @H_301_16@ "_id":2,248); line-height:21px; margin:0px!important; padding:0px 3px 0px 10px!important"> "name":"localhost:28012",108); list-style:decimal-leading-zero outside; color:inherit; line-height:21px; margin:0px!important; padding:0px 3px 0px 10px!important"> }
- ],108); list-style:decimal-leading-zero outside; color:inherit; line-height:21px; margin:0px!important; padding:0px 3px 0px 10px!important"> "ok":1
- } @H_301_16@ rs1:PRIMARY>