All Questions
Tagged with amazon-ec2 amazon-rds
120
questions
53
votes
4
answers
72k
views
What is "freeable memory"?
Amazon RDS has a metric for 'freeable memory'. It appears to go up & down in a sawtooth pattern.
This leads me to believe that it's memory that is being used by MySQL for caching and that when ...
- 1,717
48
votes
8
answers
91k
views
Why can't I connect to Amazon RDS after setting it up?
So, I just created the Amazon RDS account.
And I started an instance of database.
The "endpoint" is:
abcw3n-prod.cbmbuiv8aakk.us-east-1.rds.amazonaws.com
Great! Now I try to connect to it from one ...
- 8,651
21
votes
3
answers
15k
views
Is it possible to force Re-creation of EC2::Instance or RDS::DBInstance in amazon cloudformation?
It's possible to force the re-creation of a EC2 or RDS instance using cloudformation stacks?
My stack goes stuck in a point where simply destroying and creating the resource will fix it, instead of ...
- 1,249
20
votes
2
answers
3k
views
In AWS, does an hour of usage get charged just for an instance being in the "running" state?
When AWS documentation and pricing refer to "usage" does this simply mean "if the instance is on" instead of "if the instance is on and doing work".
E.g., if I had an EC2 instance running but it was ...
- 708
15
votes
2
answers
29k
views
How to create a local backup of a remote Amazon RDS MySQL database?
How do I create a local backup of a remote Amazon RDS MySQL database? What I need to know is how to make a complete full local backup of a MySQL database (not a remote Amazon snapshot) that can be ...
- 4,220
11
votes
3
answers
16k
views
How to move RDS database to different VPC
I didn't select a VPC when creating a MySQL RDS database, so it created it inside an auto-generated "default" VPC. I'm now unable to add it to any of my pre-defined security groups, or access it from ...
- 3,680
11
votes
5
answers
14k
views
AWS: Multi-region setup using single RDS instance
I'm trying to scale our web application (PHP, MySQL, memcache) in a multi-region scheme. Currently we are using a setup with two EC2 instances behind an ELB and an RDS instance, all of them in US-EAST ...
- 278
11
votes
2
answers
4k
views
Access Amazon EC2 RDS instance from inside VPC
I have an Amazon RDS instance set up in the 'classic' EC2 (no VPC.)
I also have a VPC set up that holds our newer, migrated applications and such.
However, it would seem that there is no way to ...
- 6,302
9
votes
1
answer
12k
views
AWS: What is the difference between Burst Balance and EBS IO Balance metrics?
AWS Docs describe Burst Balance and EEBS IO Balance in the following way:
BurstBalance The percent of General Purpose SSD (gp2) burst-bucket I/O
credits available.
EBSIOBalance% The percentage of I/O ...
- 101
8
votes
1
answer
5k
views
AWS: Should my EC2 and RDS instances be in the same Availability Zone?
I just noticed that all of our EC2 instances are in zone us-west-2b, but our Multi-AZ RDS instance is in us-west-2a.
Performance-wise everything seems to be okay, and it will be a hassle to "move" ...
- 821
8
votes
1
answer
10k
views
AWS RDS db.t2 instance performance thresholds & monitoring
We have been rolling out a standard web server configuration for mainstream CMS software like Drupal & WordPress, with the server & storage on EC2 / EBS and the database for those software ...
- 173
8
votes
1
answer
18k
views
Amazon: How do I know if I need Provisioned IOPS?
We recently moved to Amazon Web Servers and are still learning our way around. Our EC2 Web instance and our RDS MySQL instance (right now we only have 1 of each) seem to be chugging along okay. But I ...
- 821
7
votes
2
answers
2k
views
Does Amazon EC2 and RDS have ECC memory?
I know that Amazon's Cluster GPU Instances have ECC memory as mentioned on their blog but there's no mention of other instance types. There's a forum post from back in 2007 that went unanswered. Does ...
- 751
7
votes
2
answers
2k
views
Strategy for maintaining Amazon RDS instance on prod vs development
How do you folks manage your Amazon RDS instances? In production I obviously want to use Amazon RDS with a master-slave replication setup going. Unfortunately this incurs substantial costs to bring ...
- 1,991
6
votes
1
answer
12k
views
Amazon AWS EC2 and RDS: How To Increase MySQL Query Cache?
I tried to find information about this, but can't find anywhere. The only one that I could find was
http://survivalguides.wordpress.com/2012/07/11/change-the-query-cache-size-amazon-aws-rds/
but it ...
- 277