All Questions
Tagged with amazon-ec2 amazon-rds
120
questions
2
votes
1
answer
5k
views
AWS EC2, Apache, PHP: php_network_getaddresses: getaddrinfo failed
Running PHP 5.6 on an EC2 instance with Apache 2.4.18, I'm occasionally seeing errors in the log when trying to connect to an RDS database:
PDO::__construct(): php_network_getaddresses: getaddrinfo ...
CommunityBot
- 1
1
vote
1
answer
732
views
Is Amazon RDS overkill for small business site?
One of my clients wants a small business site run on Wordpress. I'm setting it up through Amazon EC2, and was curious if using Amazon's RDS service to run the wordpress installation is overkill. I ...
0
votes
0
answers
49
views
Can you exceed 1 gigabit from an EC2 instance to an AWS Aurora MySQL instance?
I'm importing a terabyte of data into an AWS Aurora MySQL table from an EC2 instance. Because our service will be down while migrating prod, I care a lot about the import speed.
Currently I can't ...
- 171
0
votes
1
answer
63
views
EC2 instance not found from Management Console
I'd like to set up a very basic EC2 instance, connect it to a MySQL RDS database, and install Wordpress. I'm currently using this guide, and I've created both an EC2 instance and an RDS instance. ...
0
votes
1
answer
2k
views
Amazon RDS suddenly not working and unable to connect
I'm using an Amazon RDS with MySQL, and I connect to it via another EC2 machine. I correctly set the Security Groups; and it has been working good for two days.
Today, for a test I scaled the RDS ...
CommunityBot
- 1
1
vote
1
answer
2k
views
AWS VPC Public Private Subnets - EC2 Instance cannot reach RDS instance
Following rposcibed pattern here: Scenario 3: VPC with Public and Private Subnets and Hardware VPN Access
Summary Description:
I have configured a VPC with 1 public Subnet and 2 private Subnets
Each ...
CommunityBot
- 1
2
votes
1
answer
38
views
Managing AWS EC2 and RDS autoscalling configuraiton
A client of ours generally can get away with running just the one EC2 and also has an Aurora serverless MySQL 5.7 database running, however there are times when their load spikes up significantly. e.g....
- 3,562
0
votes
1
answer
129
views
EC2 Instance connection to an RDS instance accessible only via VPN
I have a Laravel application (API) that I am trying to move to AWS, however, the DB sits privately in AWS and is only accessible to me through a VPN.
The database is an RDS instance.
How can I provide ...
- 33.1k
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 ...
- 103
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 ...
- 33.1k
0
votes
0
answers
50
views
What exactly does the AWS Pay For What You Use policy mean?
Well, I was fed up with the absurd host prices here in Brazil when I got to know AWS and the pay-as-you-go policy.
I recently started a course for the solution architect certification (SAA2), that's ...
- 101
1
vote
1
answer
988
views
Are managed databases (e.g. Amazon RDS) slower to access than database in the same machine (EC2) as web server
Imagine two cases:
I have web server running in an EC2 instance and it is connected to the database in the RDS, the managed database service.
I have web server and database running in the same EC2 ...
google-cloud-platform
-1
votes
1
answer
804
views
How to diagnose cross account EC2/RDS connection with vpc flow logs in AWS?
In AWS, made 2 accounts.
account 1: A | Deployed EC2
account 2: B | Deployed RDS
Want to connect from account 1's EC2 to account 2's RDS, but doesn't work. So enabled VPC flow logs to diagnose where ...
- 137
2
votes
1
answer
4k
views
How to connect RDS from a different account with allowed IP in AWS?
I have an EC2 instance in AWS account A. Its Private IPv4 addresses is 10.111.12.23.
I allowed it in a RDS security group rules in account B, to make Type CIDR/IP - Inbound's Rule 10.111.12.23/32.
...
- 25.7k
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 ...
- 131