2014/12/11

Mysql Day1 outline

Mysql
mysql_upgrade

dev.mysql

tar˙安裝只要五分鐘
rmi:
release candicate
dataschema design

Default storage engine:
 Msql 51. myisam

  • Myisam is advnced fisam
    • Table level locked
    • No relationship
      • No rockback
      • No Crash  recover
      • No transcation
  • Partiontion






5.5 innodb
  • Raw lv lock
  • Condition control
  • Performance schema: look up mutex, resource lock


5.6
  • More rollback segment
  • Semi-join replace sub-query
  • Batch key access ?
  • ibd
    • Flash table
    • Export tablespace
    • Create same table
    • Drop tablespace
    • Import tablespace
  • Explain plan



Mysql dual core:
  • Translate commercial license
  • Fixed In internal company: still gpl
  • Subscription:
    • Enterprice monitor
    • Enterprice backup
    • 4 plug-in
      • Secriut
      • Scability
      • Aduit
      • Scurite
    • Remote support
      • On on-site
      • Java applet
      • Perface turening
      • Sc
  • No subscription
    • GPL core
  • Physical : 4 socket per server: USD$ 5000 = 16W NTD
  • Vm: depends

C lang
  • C: user defined engine
exam
  • Mysql dba ->
  • Mysql cluster
  • Mysql perface tuning

Hpux, aix No supported > 5.5
Can be compiled with source code

Linux , windows best supported


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