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Amazon Elastic File System

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Re: Amazon Elastic File System

#212
post #203
post #192

Earlier quoted context omitted.

(me: Working in the Messaging Business for ISPs) Not sure how it would ever be technically possible for a networked filesystem to get even near directly attached storage. But, for sure, the typical carrier grade EMC or Netapp is MUCH slower then a good SAN. I'm talking about petabytes of very small (average maybe 20kB) files with lots of _random_ sync writes and reads. NFS has a lot of other benefits, but it surely i…

Petabytes of 20k files? I think you might want to use your filesystem more effectively.

Well, what would it help in terms of NFS? You'd still have to tell NFS to read 20kB. If it's 20kB from one big file or one 20kB file doesn't matter much. it's common to have one file per email and the usual filesystem has no problem with that.

Re: Amazon Elastic File System

#213

Earlier quoted context omitted.

heroku uses ec2 under the hood. heroku is heresy for any competent programmer. despite aws being packaged services at least both managed db and ec2 show you your actual servers and let you choose specs.

Heroku is used by a wide variety of competent programmers. Not everyone wants or needs to choose specs or see actual servers.

Willful ignorance?

Re: Amazon Elastic File System

#215

What's the advantage of this over S3?

I think they're meant to solve different problems. On one hand S3 is designed for (among other things) serving files over the web. EFS sounds like it's designed to be used as a filesystem multiple instances can write to (say for a high-availability setup).

this is the only real use-case IMO. Multiple instances being able to read/write to a single FS. Anything less would be a disappointment.

Re: Amazon Elastic File System

#216
The best & key feature seems highly under-stated.

Until now, you could bind an ebs to only one instance.

Or had to use gluster / hdfs otherwise.

    Multiple Amazon EC2 instances can access an Amazon EFS file system
    at the same time, providing a common data source for
    workloads and applications running on more than one instance.
You effectively have a distributed filesystem now. this is great news.

Re: Amazon Elastic File System

#217
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