Monday, 26 September 2011

Amazon AWS tricks as seen by noob


Every product has  a fine print today, just go to a local store and see. Amazon AWS is not an exception  and has some interesting, I would say, "features" that you should know about.

1) Each time you press Start or call start() from  API on instance you are IMMEDIATELY charged for the first hour. Hence if you make 10 star/stop during 20minutes you are charged for 10 hours.

Better example:

0:00 - start
0:10 - stop
0:20 - start
0:30 - stop
0:40 - start
0:50 - stop

Bill - 3  hours

2) You CAN run 64 bit image on Micro instance(t1.micro) but you CANNOT run it(64 bit image) on Small (m1.small) and Medium (c1.medium) instances. Do not expect  to upgrade 64bit Micro instance to small or medium, you can upgrade it only to Large and so on.



Well, these features are not game-changers but remember that it is better to keep instance running till the end of hour.




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