Thursday, September 12, 2013

GlusterFS的平行讀寫測試!

測試對象的GlusterFS, 是由兩台server各接2部26TB的RAID組成, 總容量102T
RAID是SAS介面, 做成ext4.
server對外走的是10GbE, 合計頻寬20Gb/s = 2.5GB/s, 然後所有的client都使用GbE連接.
(所以應該要20台才會塞滿)
所有主機都用CentOS 6.4.

Bits and pieces about Bonnie++

Bonnie++ is a tool to test file systems under Linux.
It create / read / delete files, so the performance is of file system but not the disk (block device).

Bonnie++使用方法

Bonnie++是Linux底下可以用來測試磁碟效能的工具.
它是建立檔案, 所以測試的是檔案系統那一層的效能, 不等於block device的效能.

Performance test on SSD and NFS

Note:
First testing target of the two is a 2.5TB RAID (/ssd, with 12 2.5" SSD, XFS)
Another is a 400GB PCIe SSD (/ssd2, ext4).
Both of them connect to a server. It has only GbE network, so NFS performance on them will be limited by network.
All clients uses GbE.
All server and clients uses CentOS 6.4.

SSD / NFS的效能測試

先說明一下:
兩個測試目標, 一個是2.5TB的RAID (/ssd, 裡面裝12顆2.5" SSD, XFS)
另一個是400GB的PCIe SSD (/ssd2, ext4).
這兩個連接在一座server上, 但是只用GbE, 所以過網路的話效能會被壓住.
所有的client都是用GbE.
所有的主機都使用CentOS 6.4.