Hey,

i have a class that serves image styles from a s3 container. If i visit a node with about 5-10 pictures then i have a page execution time of 5-10 seconds. If i let the same files been served by a local file system container my page time shrinks to normal (about 1,5 seconds). I have analyzed the function calls with xhprof and found that storage api calls are the slow ones.

My s3 container properties are:

Service: Amazon S3
Name: <bucketname>
Access control:	No
External: No
Status: Active
Classes: Public local to S3
Files:	1566
Size:	1.68 GB
Bucket: <bucketname>
Bucket is CNAME alias:	No
Location: US Standard
Reduced redundancy:	No
Serving with CloudFront: No
CloudFront domain name: d1f1vxf574829l.cloudfront.net
Streaming with CloudFront: No

What does confuse me is the location. i can confirm that the location of the bucket is in eu - ireland not us.

Any idea why s3 containers are so slow?

Comments

perignon’s picture

perignon commented

Amazon S3 is slow... by design. You should not be using S3 to deliver images on your site. S3 is a storage service meant for robust data protection. If you want to serve images you should be using Cloudfront pulling from S3. So yes, I am not surprised it is slow.

fox_01’s picture

fox_01 commented

Ok i now create a new container to serve files with cloudfront. I confirmed it by checking the urls. But the problem still exists, i think i could have increased. (15 seconds page loading time). Each file needs about 360ms to load. Am i making something wrong?

perignon’s picture

perignon commented

Can you send me a URL to see your site?

Cloudfront is far from easy. Making it perform well is even harder.

fox_01’s picture

fox_01 commented
Status: Active » Closed (works as designed)

I have found that a function getimagesize() calls the slow functions and the results of this can be cached by a module imageinfo_cache. This is recommended when the files are not served locally. I think the change to cloudfront and this caching bring my page loading time to quite normal (about 2 seconds) which is ok in my case.

I will close the issue until the error comes back ;)

Thanks for your help.

perignon’s picture

perignon commented

Thanks