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Handbook of Sustainable Design of Digital Services

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Backend    ODD#9     ODD#12     ODD#13    

Are unused resources freed up as quickly as possible ?

Recommendation 

Performance

B People

A Planet

A Prosperity

Difficulty

***

Priority

Low

Récurrence

OnUpdate

Tests

Is local data released as soon as it is no longer needed?

Precisions

Development techniques free developers from explicit allocation and release of resources used. However, the volume of resources is conditioned by the scope of the information and the extensive use of data will result in an overload of consumption which may lead to an over-sizing of the equipment. A more rational use of ressources would allow to avoid this.

Use Case

Source code checks validate resources are freed asap

Additional elements

Operational issues related to the project

Posts

Rule for assessing the level of compliance of the criterion

Formalized = 100 ; Planned = 75 ; Identified = 50 ; Ignored = 0 / 100

Life cycle

Fin de Vie

16 other criteria related to the recommendation: Use the technical components that improve the sustainable IT aspects, security and performance

Recommendation Essential

Quality

Is the documentation of the functionality available to enable its reuse ?

Advice

Performance

Is the web server used asynchronous and multi-threaded ?

Advice

Performance

Has the dependency tree of the integrated components been evaluated ?

Advice

Performance

Can dependencies be reduced by using an alternative component ?

Advice

Performance

Is the user informed of a processing in progress in the background ?

Advice

Performance

Has the integration of asynchronous processing been evaluated ?

Advice

Performance

Is a VM necessary as opposed to a container solution ?

Recommendation

Performance

Does service availability require redundancy ?

Recommendation

Architecture

Do interactions between components benefit from caching mechanisms ?

Recommendation

Architecture

Are the browser caches not being blocked by the framework or technology used ?

Advice

Architecture

Is there a lighter framework / library that meets the functional need ?

Advice

Architecture

Is an Open Source solution available for the functional need ?

Advice

security

Are the versions of the components used tracked and deployed ?

Recommendation

security

Is the security implemented justified with regard to the operations carried out ?

Advice

Data processing

Is the level of logs adapted to the environment ?

Recommendation

Data processing

Are temporary files included in the "logrotate" ?