AWS introduced 5th-generation EC2 instances in selected regions. These instances live on Nitro which is KVM based. These c5 and m5 instances are faster yet cheaper. The switch however cannot be done by a simple instance type change.
Tag: aws
AWS Application Load Balancer Request Tracing
ALB is a layer7 load balancer on AWS. It offers more features than ELB. You can find out more about it on https://aws.amazon.com/elasticloadbalancing/applicationloadbalancer/ Recently, I was asked to look into a random 504 issue with ELB. Because there is not a lot to configure on ELB and it’s pretty much a black box, I wasn’t…
Scheduled snapshot on AWS using Lambda
Check out my recent wiki page on how to schedule snapshot backups on AWS using Lambda. https://www.headdesk.me/Lambda Lambda is much more powerful then this. Using it together with S3 / SNS / SQS / etc allow deployment of business applications / workflows truly on cloud.
Let CloudWatch monitor your disk and memory utilisation
It is possible to use CloudWatch to monitor your disk and memory usage. There are very good information on AWS – http://docs.aws.amazon.com/AmazonCloudWatch/latest/DeveloperGuide/mon-scripts-perl.html For the impatient, here is how to get it done.
Moving to EC2
I had to give it a try. This blog is now moved to AWS. There are a lot of cool features but they’re sort of expensive. For example, if I put the database on RDS and memcache on ElasticCache, it will cost me $140/mo. Come on, running yum -y install memcached is not worth $50…