The company has a commonly dedicated party (department or team) or individual who is managing and controlling the cloud cost. But it will eventually include many teams and people to agree, approve, process, and implement it to SAVE the cost.

While the company expects the engineers to be concerned about…


In AWS security control, the detective control is the most basic control in managing your cloud resources. …


CI (Continuous integration) is common practice in agile software development (modern software engineering). But this is an expensive solution in terms of the time to receive feedback and requiring high computational resources.

This cost should not be underestimated; our personal correspondence with a Google manager in charge of their CI…


Agile drawback

I have been concerned that agile software development can wag the dog (Business) and confuse a lot on what’s real value in the business. Many companies, which especially 100% agile teams running their business, are now lost for the business focus. The agile team sometimes doesn’t care about…


FinOps will give you financial accountability to cloud spends

As you’ve been already very familiar with DevOps, DevSecOps, but perhaps not FinOps. This term is derived from Financial and Operations in cloud management. You will usually see this when your company talks about cloud cost optimization.

Commonly, Finance is concerned…


Commonly, when you test the java program especially if there is a user input required (e.g. web application), we use JMeter, LoadRunner, Grinder, Gatling, etc. In rare cases, you may have console input by the user and you need to write unit tests.

I did some tests with JUnit 5…


There are more titles for the solution architect than you know

The company sometimes hires the solution architect with the job description, which includes everything as much as they can. Actually, the solution architect can be categorized as more than one. …


It’s just the aggregation page

Troubleshooting guidelines

How to Debug

Others


A virtual firewall (VF) is a network firewall service or appliance running entirely within a virtualized environment and which provides the usual packet filtering and monitoring provided via a physical network firewall. The VF can be realized as a traditional software firewall on a guest virtual machine already running, a…


Reserved Instances provide you with significant savings on your Amazon EC2 costs compared to On-Demand Instance pricing. Reserved Instances are not physical instances, but rather a billing discount applied to the use of On-Demand Instances in your account.

Reserved Instance is definitely a good option if your service will run…

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