Coarse-grained mustard has a grainy texture and a medium-hot fruity taste.
That is, consumers and providers that can evolve independently are loosely coupled and, therefore, are usually coarse grained.
Furthermore, because one coarse grained service may work well in a particular environment does not necessarily mean it's best suited elsewhere.
It seeks to modularize these concerns, yet enable the fine-grained "mixing" of their behaviors with other concerns, including the core domain logic of the application, either at build or run time.
However, "you don't want to overinfer or get so fine-grained that it's creepy, " Gilbert cautions.
The need to implement a large number of too finely grained services is an indication that this antipattern is being applied.
A person eating coarse rice, not fine-grained basmati, dressed in polyester not cotton, has a lower standard of living, even if he eats the same amount of grain and owns the same number of shirts.
There is one area where fine-grained authorization models are ubiquitous and well-understood: the operating system.
These models can be very detailed, showing full entity, relationship and attribute structures and can even have higher-level visualization of the core relationships between coarse grained concepts.
Coarse grained — the functions are designed to minimize the number of calls between layers.
An example might be at the customer level in a financial system: one coarse grained lock could be to lock all accounts for the customer, another could be to lock all insurance policies.
Multiple Rational Software Architect patterns, and other assets such as models or requirements, may be knit together to form larger-grained solutions.
Fine-grained access control goes beyond granting or denying the right to execute a program or read a data file.
Because the initial estimate is so coarse-grained, a fair amount of wiggle room exists to handle emergent design, refactoring, and other technical-hygiene activities.
The records are even finer grained than that: cold, bump, points of light, waiting.
Coarse grained locking can be either optimistic or pessimistic.
