MySQL and SSD Gea-Suan Lin [email_address] PIXNET Digital Media Corporation

Outline Introduction to MySQL and SSD SSD Spec Comparsion in Speed and Price Something interesting... Conculsion

Introduction to MySQL and SSD

SSD Spec

Comparsion in Speed and Price

Something interesting...

Conculsion

MySQL and SSD MySQL Open source database Very popular to Web-based company SSD Solid-state drive 2006~2007 Very fast random access ( in theory ) Fit database characteristic

MySQL

Open source database

Very popular to Web-based company

SSD

Solid-state drive

2006~2007

Very fast random access ( in theory )

Fit database characteristic

Conculsion First! Don't Use SSD to run database At least MySQL... Unless I/O bound Enough Budget

Don't Use SSD to run database

At least MySQL...

Unless

I/O bound

Enough Budget

SSD Spec Mtron MSP 7000, MSD 3000, MSD 1000 Memoright MR25.2 RiData Ultra-S, Ultra S-Plus Transcend TS32GSSD25S-M

Mtron

MSP 7000, MSD 3000, MSD 1000

Memoright

MR25.2

RiData

Ultra-S, Ultra S-Plus

Transcend

TS32GSSD25S-M

SSD Spec

Test in real environment Linux 2.6.18 (Debian, testing) XFS, noatime, nodiratime MySQL 5.1.{21,22,23}, MyISAM Replication (Slave) Data size: my boss said we cannot talk about real database size, so don't ask.

Linux 2.6.18 (Debian, testing)

XFS, noatime, nodiratime

MySQL 5.1.{21,22,23}, MyISAM

Replication (Slave)

Data size: my boss said we cannot talk about real database size, so don't ask.

Test Warm up speed Write speed (Replication write) Read speed (Query)

Warm up speed

Write speed (Replication write)

Read speed (Query)

Comparsion Mtron MSP-7000, Memoright MR25.2 RAID1+0 15KRPM SAS (4 disks) RAID0 15KRPM SAS (2 disks) Mtron MSD-3000 Mtron MSD-1000 RAID0 10KRPM SATA (2 disks) Others... (RiData and Transcend)

Mtron MSP-7000, Memoright MR25.2

RAID1+0 15KRPM SAS (4 disks)

RAID0 15KRPM SAS (2 disks)

Mtron MSD-3000

Mtron MSD-1000

RAID0 10KRPM SATA (2 disks)

Others... (RiData and Transcend)

Something interesting... No, these won't appear in this slide.

No, these won't appear in this slide.

Suggestion Again! Don't use SSD in Master server. Don't use SSD in Slave servers unless need. I/O bound that RAID cannot solve In most cases, you need to buy books to optimize your query statements, not buy SSD. In some cases, you need to reconstruct your architecture. Budget

Don't use SSD in Master server.

Don't use SSD in Slave servers unless need.

I/O bound that RAID cannot solve

In most cases, you need to buy books to optimize your query statements, not buy SSD.

In some cases, you need to reconstruct your architecture.

Budget

Q&A Any Question ?

Any Question ?