{"id":1339,"date":"2012-05-21T00:08:51","date_gmt":"2012-05-21T07:08:51","guid":{"rendered":"http:\/\/xiehang.com\/blog\/?p=1339"},"modified":"2012-05-21T00:08:51","modified_gmt":"2012-05-21T07:08:51","slug":"performance-of-ec2-nodes","status":"publish","type":"post","link":"https:\/\/xiehang.com\/blog\/2012\/05\/21\/performance-of-ec2-nodes\/","title":{"rendered":"Performance of EC2 nodes"},"content":{"rendered":"<p>I was running crawler-like application on my EC2 nodes, which grab a set of web pages, save them locally, then do some follow-ups, obviously I hit the bottleneck of the EC2 nodes.<\/p>\n<p>It seems EC2&#8217;s storage, at least EBS performs quite bad, I don&#8217;t have comparison in number, but for the follow-ups jobs, which are nothing to do with network, EC2 is hundreds or thousands times slower than a regular modern machine.<\/p>\n<p>I guess traditional applications on EC2 don&#8217;t rely on EBS too much &#8211; most data write to S3\/RDS\/SDB, etc. However, I do have to pay more attention on this as there is a friend gets to run some critical jobs and I recommended EC2 &#8230; I will do some more tests and post result here if I find anything signaficant.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I was running crawler-like application on my EC2 nodes, which grab a set of web pages, save them locally, then do some follow-ups, obviously I hit the bottleneck of the EC2 nodes. It seems EC2&#8217;s storage, at least EBS performs quite bad, I don&#8217;t have comparison in number, but for the follow-ups jobs, which are <a href='https:\/\/xiehang.com\/blog\/2012\/05\/21\/performance-of-ec2-nodes\/' class='excerpt-more'>[&#8230;]<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[337,336,259,338,141],"_links":{"self":[{"href":"https:\/\/xiehang.com\/blog\/wp-json\/wp\/v2\/posts\/1339"}],"collection":[{"href":"https:\/\/xiehang.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xiehang.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xiehang.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xiehang.com\/blog\/wp-json\/wp\/v2\/comments?post=1339"}],"version-history":[{"count":2,"href":"https:\/\/xiehang.com\/blog\/wp-json\/wp\/v2\/posts\/1339\/revisions"}],"predecessor-version":[{"id":1341,"href":"https:\/\/xiehang.com\/blog\/wp-json\/wp\/v2\/posts\/1339\/revisions\/1341"}],"wp:attachment":[{"href":"https:\/\/xiehang.com\/blog\/wp-json\/wp\/v2\/media?parent=1339"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xiehang.com\/blog\/wp-json\/wp\/v2\/categories?post=1339"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xiehang.com\/blog\/wp-json\/wp\/v2\/tags?post=1339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}