Louis workspace

1号店架构鸟瞰

Updated on December 22, 2014 by Louis Liu

UPDATE 12.2: you can download complete PDF from database design of YHD[……]

ssd gc review

Updated on December 22, 2014 by Louis Liu

update 12.14 (add two docs) Download this PDF

overview of gc_doc1

overview of gc_doc2
[……]

IBM will support Flash In DIMM using MCS

Updated on December 22, 2014 by Louis Liu

The next generation of IBM’s X-series servers will be able to accommodate solid-state Flash drives clipped into their DIMM memory slots, potentially improving the response times of fast-paced enterprise applications.

On Thursday, IBM unveiled the Series 6 generation of its System X x86-based serv[……]

MySQL 5.5&5.6 new features summary

Updated on December 22, 2014 by Louis Liu

upload on 2014.2 [MySQL 5.5&5.6 new features summary] Download this PDF[……]

FlashCard Test Detail

Updated on December 22, 2014 by Louis Liu

Compare between FIO LSI and VD
Upload on 2014/3/5 by louis liu

Download this PDF[……]

[SHOUG] 1号店Exadata应用

Updated on December 22, 2014 by Louis Liu

Download PDF: [SHOUG.LOUISLIU]Exadata在电商的实践[……]

gdb 调试TPCC 一例

Updated on December 22, 2014 by Louis Liu

TPCC对mysql 5.5.27做一次性能测试时遭遇 Segmentation fault,gdb调试记录之:

[root@db-81 ~]# uname -a 
Linux db-81 2.6.18-194.el5 #1 SMP Mon Mar 29 22:10:29 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux
[root@db-81 ~]# more /proc/meminfo |grep Total
MemTotal:     49455412 kB
HighTotal:           0 kB
LowTotal:     49[......]Read more