Infrastructure

Is there tax in the cloud?

Author: Michael BommaritoOn: May 19Categories: Cloud, Consulting, Infrastructure, Law No Comments

Do you contract for IaaS, PaaS, or SaaS services like Amazon Web Services or SalesForce? Do you provide SaaS services like “cloud-based applications” or “web applications?” What state are you headquartered in? What states are...

Benchmarking the new AWS Postgres RDS instances

Author: Michael BommaritoOn: Nov 14Categories: Cloud, Infrastructure, Programming No Comments

Postgres has finally come to RDS! Want to know how these instances stack up on a naive pgbench test? Below is a table of simple pgbench results taken over a 60 second period. All RDS instances were launched into us-east-1a, and pgbench (9.4devel)...

Monitoring AWS VPC tunnels

Author: Michael BommaritoOn: Oct 29Categories: Cloud, Consulting, Infrastructure 9 Comments

While many Amazon Web Services resources with “state” have CloudWatch sensors available, AWS VPCs and tunnels unfortunately do not. If you’re ever in need of a solution to monitor and log the status of VPC tunnels back to another data...

AWS EC2 hs1.8xlarge Oracle ORION benchmark results

Author: Michael BommaritoOn: Oct 28Categories: Cloud, Consulting, Infrastructure, Programming, Research 1 Comment

Benchmarking I/O with Oracle ORION is an important part of planning, baselining, and performance-tuning Oracle environments. I’ve previously provided ORION results for the hi1.4xlarge SSD-backed instance class, and based on some recent work, I...

Debugging ORA-02292: integrity constraint (OWNER.CONSTRAINT) violated – child record found

Author: Michael BommaritoOn: Jan 22Categories: Consulting, Infrastructure, Programming 3 Comments

Did you find this post useful? Does your organization need Oracle services? We can help. Working with Oracle databases can be daunting to developers and analysts who lack a deep understanding of relational models and SQL. One excellent example...