Tease me, SUN SSD Benchmarks

Only a little over a week before the User conference and I am still burning the midnight oil to get as much information for my presentations as possible. I thought I would tease you a bit here. What do you get when you put 4 Intel X-25E’s ( Sun branded) SSD’s running RAID10 in a Sun 4450 and run the sysbench fileio test on it?

NO CTL, NO DRIVE
Hardware
NO CTL, W DRIVE
Hardware
W CTL, NO DRIVE
Hardware
W CTL, W DRIVE
Hardware
NO CTL, NO DRIVE
Software
50% Reads 3449.25 7744.36 2585.44 8656.63 3714.53
67% Reads 4460.67 8696.23 4169.18 9325.29 4646.03
75% Reads 5538.94 10016.72 5233.61 9942.23 5930.73
80% Reads 6886.81 12385.5 6194.27 10260.07 7378.55
83% Reads 7067.62 12895.92 6958.61 10247.36 7911.37
100% Reads 16608.69 16438.89 10814.62 11064.44 18050.14
100% Writes 1983.76 6469.18 1904.77 4328.93 1939.74

*NO CTL or W CTL : No controller cache, or with controller cache
*NO DRIVE or W DRIVE : No onboard drive cache, or with drive cache

What does this mean? What about RAID 5 Numbers? What about actual MySQL Results? Come and see me talk about it in a week! Or wait for the post UC cliff notes if you can not attend. You know this is just a teaser:) Get this and more if you come and listen to me drone on and on about SSD’s! I will say this… A client I work with has a 16 disk raid 10 array ( 10K disks ) with 2GB of cache that scores around 2500 Requests per second in all of the above tests… just giving you some food for thought.

** Server has a Adaptec RAID Card with 256MB of battery backed cache. OS was Redhat 5.3, ext3 … 64K Stripe size

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5 Responses to Tease me, SUN SSD Benchmarks

  1. Baron says:

    W CTL, NO DRIVE is the one I’m looking at :) *sigh*

  2. matt says:

    Why your better off with no ctl or no drive cache…

  3. Tim says:

    Have you thought about trying other file-systems as well? Or even some mount-time options (noatime, journal=writeback, etc.)?

  4. matt says:

    a couple of things… i should say come to my presentation and see:) But no I have not tested with other FS… or even other options yet… trust me when I say their have been extenuating circumstances thus for which have limited my ability to test all the combination possible. So I have been testing stripe size, raid level, cache setting, hardware -v- software, etc… I have not had time to grab xfs and compile it, i could however try ext2 fairly easy.