Comments on: Amazon EC2 Disk Performance http://af-design.com/blog/2009/02/27/amazon-ec2-disk-performance/ Technology, rants, raves and reviews by Erik Giberti Fri, 12 Mar 2010 16:37:55 +0000 hourly 1 http://wordpress.org/?v=3.0-alpha By: Amazon EC2 Disk Performance and Why RAID 10 is bad for EBS http://af-design.com/blog/2009/02/27/amazon-ec2-disk-performance/#comment-1316 Amazon EC2 Disk Performance and Why RAID 10 is bad for EBS Tue, 19 Jan 2010 18:03:34 +0000 http://af-design.com/blog/?p=650#comment-1316 [...] came across some more articles on cloud-based performance. Today, I am looking at the performance of EBS on Amazon and the use of RAID 10 for disk writes. If you have a lot of writes to disk, then seriously consider [...]

[...] came across some more articles on cloud-based performance. Today, I am looking at the performance of EBS on Amazon and the use of RAID 10 for disk writes. If you have a lot of writes to disk, then seriously consider [...]

]]> By: Amazon Elastic Block Store Geschwindigkeitsbenchmark | Server in den Wolken http://af-design.com/blog/2009/02/27/amazon-ec2-disk-performance/#comment-1095 Amazon Elastic Block Store Geschwindigkeitsbenchmark | Server in den Wolken Tue, 04 Aug 2009 11:32:08 +0000 http://af-design.com/blog/?p=650#comment-1095 [...] dem AF-Design Blog gibt es einen ausführlichen Benchmark zur Geschwindigkeit von EBS der persistenten Speicherlösung für EC2. Verglichen wird dort der [...]

[...] dem AF-Design Blog gibt es einen ausführlichen Benchmark zur Geschwindigkeit von EBS der persistenten Speicherlösung für EC2. Verglichen wird dort der [...]

]]> By: Erik http://af-design.com/blog/2009/02/27/amazon-ec2-disk-performance/#comment-937 Erik Thu, 11 Jun 2009 11:49:33 +0000 http://af-design.com/blog/?p=650#comment-937 Neil, You are correct, the numbers are in kilobytes, I just haven't had a chance to update the graph. Thank you for the comparison numbers. Erik Neil,

You are correct, the numbers are in kilobytes, I just haven’t had a chance to update the graph. Thank you for the comparison numbers.

Erik

]]> By: Neil http://af-design.com/blog/2009/02/27/amazon-ec2-disk-performance/#comment-936 Neil Thu, 11 Jun 2009 11:15:00 +0000 http://af-design.com/blog/?p=650#comment-936 I ran some tests on one of our servers with bonnie++. The server is a Dell Poweredge SC1435 with 2x 15K RPM SAS Hard Drives in RAID 0. OS is Ubuntu 2.6.27-7-server. Filesystem is ext3. The version of bonne++ is 1.03c, with the default options. Results are as follows: Output per char: 52,963 K/sec Output block: 61,226 K/sec Output rewrite: 56,688 K/sec Input per char: 52,033 K/sec Input block: 228,544 K/sec Random seeks: 687/sec Your results imply that EBS is many thousands of times worse. Are your results definitely in bytes / sec as the graph implies, not K/sec? I ran some tests on one of our servers with bonnie++.

The server is a Dell Poweredge SC1435 with 2x 15K RPM SAS Hard Drives in RAID 0. OS is Ubuntu 2.6.27-7-server. Filesystem is ext3.

The version of bonne++ is 1.03c, with the default options.

Results are as follows:

Output per char: 52,963 K/sec
Output block: 61,226 K/sec
Output rewrite: 56,688 K/sec
Input per char: 52,033 K/sec
Input block: 228,544 K/sec
Random seeks: 687/sec

Your results imply that EBS is many thousands of times worse. Are your results definitely in bytes / sec as the graph implies, not K/sec?

]]> By: Bookmarks for Monday, March 30th — Trevor Fitzgerald http://af-design.com/blog/2009/02/27/amazon-ec2-disk-performance/#comment-876 Bookmarks for Monday, March 30th — Trevor Fitzgerald Tue, 31 Mar 2009 00:01:51 +0000 http://af-design.com/blog/?p=650#comment-876 [...] Amazon EC2 Disk Performance | AF-Design [...]

[...] Amazon EC2 Disk Performance | AF-Design [...]

]]> By: Erik http://af-design.com/blog/2009/02/27/amazon-ec2-disk-performance/#comment-872 Erik Mon, 30 Mar 2009 01:18:39 +0000 http://af-design.com/blog/?p=650#comment-872 @brandon - I know what you mean! It would be nice if we could assign some descriptor so it's easier to make heads or tails of the different drives and instances. I just started using ElasticFox the other day and find it handy because it lets me visually manage more than one set of keys, so I can manage my clients servers too. @brandon – I know what you mean! It would be nice if we could assign some descriptor so it’s easier to make heads or tails of the different drives and instances. I just started using ElasticFox the other day and find it handy because it lets me visually manage more than one set of keys, so I can manage my clients servers too.

]]> By: Brandon Purcell http://af-design.com/blog/2009/02/27/amazon-ec2-disk-performance/#comment-866 Brandon Purcell Thu, 26 Mar 2009 01:40:18 +0000 http://af-design.com/blog/?p=650#comment-866 Great article, I really enjoyed it. I recently built out our infrastructure for http://www.spatialkey.com on Amazon Ec2. I am going to do a bit of experimentation with our database servers running on RAID. I sure wish Amazon would add meta data to the volumes so I could make heads or tails out of the names they use. ElasticFox has the meta data but I want something more. Great article, I really enjoyed it. I recently built out our infrastructure for http://www.spatialkey.com on Amazon Ec2. I am going to do a bit of experimentation with our database servers running on RAID. I sure wish Amazon would add meta data to the volumes so I could make heads or tails out of the names they use. ElasticFox has the meta data but I want something more.

]]> By: Mullany http://af-design.com/blog/2009/02/27/amazon-ec2-disk-performance/#comment-862 Mullany Tue, 24 Mar 2009 21:46:20 +0000 http://af-design.com/blog/?p=650#comment-862 Amazon's published reliability guildelines for EBS are the following: From: http://aws.amazon.com/ebs/ "As an example, volumes that operate with 20 GB or less of modified data since their most recent Amazon EBS snapshot can expect an annual failure rate (AFR) of between 0.1% – 0.5%, where failure refers to a complete loss of the volume." Amazon’s published reliability guildelines for EBS are the following:

From: http://aws.amazon.com/ebs/

“As an example, volumes that operate with 20 GB or less of modified data since their most recent Amazon EBS snapshot can expect an annual failure rate (AFR) of between 0.1% – 0.5%, where failure refers to a complete loss of the volume.”

]]> By: Erik http://af-design.com/blog/2009/02/27/amazon-ec2-disk-performance/#comment-825 Erik Wed, 11 Mar 2009 03:35:38 +0000 http://af-design.com/blog/?p=650#comment-825 @GR I've been curious about ZFS... I'll put that on my list of things to check out. As I'm new to EC2, I haven't spent much time playing with the different AMI's out there and have trended towards what I'm familiar with CentOS, Ubuntu and Fedora. @GR I’ve been curious about ZFS… I’ll put that on my list of things to check out. As I’m new to EC2, I haven’t spent much time playing with the different AMI’s out there and have trended towards what I’m familiar with CentOS, Ubuntu and Fedora.

]]> By: Hynek (Pichi) Vychodil http://af-design.com/blog/2009/02/27/amazon-ec2-disk-performance/#comment-823 Hynek (Pichi) Vychodil Tue, 10 Mar 2009 18:30:41 +0000 http://af-design.com/blog/?p=650#comment-823 In Graph title is "(Measured in Bytes)". It means that ESB performs less than 100kB/s. It's terrible! ;-) In Graph title is “(Measured in Bytes)”. It means that ESB performs less than 100kB/s. It’s terrible! ;-)

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