In this article, we introduce myawr and mongoawr system .
Read this PDF, you will learn how to configure them.
August 6, 2015 Architect, Architecture, mongodb, MYSQL, NoSQL, rdbms, software No comments
In this article, we introduce myawr and mongoawr system .
Read this PDF, you will learn how to configure them.
July 15, 2015 Architect, mongodb, MYSQL, software No comments
Architecture of WEBM system.
Reference:
http://www.vmcd.blog/2014/10/webm_v2-has-been-released/
http://www.vmcd.blog/2014/09/webm-mysql-databa[……]
June 19, 2014 mongodb, NoSQL No comments mongodb
在安装mongodb 2.6.2的时候发现一个奇怪的问题 RS 节点的journal log并没有提前分配.我们知道在安装mongodb的时候
mongo总是会预先分配journal log 启用smallfile的时候默认为128MB 否则会分配1GB的journal log
下面是仲裁节[……]
September 10, 2013 mongodb, NoSQL No comments nosql
主要两种方法 ：
1.轮流改变oplog size (from primary to secondary)
2.重新初始化 secondary 定制oplog size 切换原来的primary
具体操作一下方法一的步骤,集体参考mongo oplog
1). 切换当前prim[……]
March 8, 2013 mongodb, MYSQL, NoSQL, performance No comments test
对于业务的激活码需求做了一次关于mysql,mongodb的比对.mysql分为normal,key partition 数量分别是1亿和10亿数据,mysql采用直接访问PK键,partition key为PK,mysql table size 为90G,mongodb table size为15[……]
April 8, 2012 mongodb, NoSQL No comments