Contents tagged with Microservices

  • Observable in microservices

    Hello everybody,

    today I want to document one important feature of implementing microservices. It is Correlation ID. Basically if you have ten microservices exeucting, and want to know how data is transformed between services, it is good idea to make some value which will travel between services. In that case it will be easy for you to see, what was condition of the systmem in case if you'll make some kind of analysis. It can be order filling with some information. Also that correlation id can be preserved in Central logging of microservices. more

  • Some notes on Microservices

    Hello everybody,

    today I want to write a few words about microservices and why they

    become so popular in our days. 

    First of all, take a look at the following picture,

    it shows how monlitic service look like:

    At this picture we have following elements: customer, which uses web site.

    Web site in turn has two parts: UI for customers and for company support.

    And inside of the web site quite often you will see interconnections between

    Accounts, orders, promotions, discounts, inventory, products and so on.

    And on separate computer as usually lives database.

    Now imagine that you need to modify part related to promotions. What will happen in case of upgrade? You'll need not just … more