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Questions tagged [amazon-ec2]

Amazon Elastic Compute Cloud (EC2)

3
votes
1answer
2k views

AWS performance of RDS with provisioned IOPS vs EC2

Has anyone done a performance comparison of AWS RDS with the new provisioned IOPS vs EC2? I've found plenty of non-high IOPS RDS vs EC2 but nothing with the new high IOPS feature in RDS.
6
votes
2answers
5k views

MongoDB - Should I separate the journal and the data to different drives?

I have seen and heard from multiple sources that it can be a good idea, performance-wise, to write your db journal and your data files to separate disks. What's the recommended way to do this (e.g. ...
4
votes
1answer
894 views

Migrating development and production databases to AWS

After careful thinking and asking on meta.stackoverflow, I'm posting this question on the DBA site. If anyone thinks this question should be on serverfault or any other site, feel free to close and ...
1
vote
1answer
2k views

I just upgraded PostgreSQL with yum on Amazon Linux, now PostgreSQL won't start. What do I do?

I just ran yum update on my Amazon Linux instance as part of an upgrade to 2012.09 and it upgraded PostgreSQL from 9.1 to 9.2. Now PostgreSQL won't start. What do I do? (This is a very incomplete ...