Webm_v2 was add oracle and mongodb monitor module
webm was agent uploaded mode to save statistics
we use mysql database as monitor server
w[……]
October 21, 2014 Architect, NoSQL, rdbms, software No comments
Webm_v2 was add oracle and mongodb monitor module
webm was agent uploaded mode to save statistics
we use mysql database as monitor server
w[……]
July 16, 2014 Architect, NoSQL, software No comments nosql
Download PDF from slideshare
基于mongodb的压力评测工具 YCSB的一些概括
YCSB 是一款基于NOSQL Benchmark的工具,提供了多种方式模拟测试nosql的负载,基于现在对nosql的一些压力测试还没有得到重视.
YCSB 的全面的测试功[……]
November 18, 2013 Architect, hardware, IDC, software No comments architecture
UPDATE 12.2: you can download complete PDF from database design of YHD[……]
August 15, 2013 Architect, oracle, replication, software No comments dataguard
发布对autoswitch over dg脚本DGHA测试,此脚本针对oracle dataguard设计使用共享存储存放redo以及controlfile从而达到了切换数据0丢失。
同时切换以后,original primary database可以无缝加入整个dg集群，从而形成了datagua[……]
June 21, 2013 Architect, software No comments database migrate
Database-exporter发布 感谢wucharles,一个充满Geek精神的小伙。
1.supports export database from each other. (you need write driver by yourself,now support oracle an[......]
在Oracle 11g中引入了Direct Network File System(Oracle Direct NFS)的新特性，通过一个打包在Oracle内核中的NFS client来提高使用NFS时的性能，DNFS同样适用于RAC等高可用场景。
DIRECT NFS CLIENT OV[……]
March 20, 2012 Architect, linux, software No comments
What is virtual server?
Virtual server is a highly scalable and highly available server built on a cluster of real servers. The architecture of serve[……]
Recommendation for the Real Application Cluster Interconnect and Jumbo Frames
Applies to:
Oracle Server – Enterprise Edition – Version: 9.2[……]