2018-08-14 12:48:17 +00:00
|
|
|
##### Project:
|
|
|
|
|
::PROJECTNAME
|
|
|
|
|
|
|
|
|
|
##### Internal Release Number:
|
|
|
|
|
::X.Y.Z
|
|
|
|
|
|
|
|
|
|
##### Related Documents:
|
2018-08-14 17:10:40 +00:00
|
|
|
- [Design](Design) > Scalability
|
2018-08-14 12:48:17 +00:00
|
|
|
- ::LINKS TO RELEVANT STANDARDS
|
|
|
|
|
- ::LINKS TO OTHER DOCUMENTS
|
|
|
|
|
---
|
|
|
|
|
|
|
|
|
|
### Overview
|
|
|
|
|
|
|
|
|
|
*TODO: Briefly describe the approach to scalability. Rank your
|
|
|
|
|
scalability goals for this design.*
|
|
|
|
|
|
|
|
|
|
::2-4 SENTENCES.
|
|
|
|
|
|
|
|
|
|
### Relevant parameters
|
|
|
|
|
|
|
|
|
|
| Parameter | Description |
|
|
|
|
|
|---------------------|-----------------------------------------------------------------------------------------|
|
|
|
|
|
| ::registered\_users | ::Number of registered users in the database. |
|
|
|
|
|
| ::concurrent\_users | ::Number of users logged into the system at a given time. |
|
|
|
|
|
| ::map\_size | ::Number of game squares in the playing area. E.g., a 10 x 25 map would be 250 squares. |
|
|
|
|
|
| ::game\_pieces | ::Number of game pieces on the playing area at a given time. |
|
|
|
|
|
|
|
|
|
|
### Scalability Mechanisms
|
2018-08-14 15:55:05 +00:00
|
|
|
|
2018-08-14 12:48:17 +00:00
|
|
|
|
|
|
|
|
### Performance Goals and Estimates
|
|
|
|
|
|
|
|
|
|
| Action | Goal | Time Formula | Description |
|
|
|
|
|
|----------------|--------------|-------------------------------|-----------------------------------------------------------------------------|
|
|
|
|
|
| ::login | ::1 second | ::O(Log(registered\_users)) | ::Time that it takes to look up a user by their login name in the database. |
|
|
|
|
|
| ::display\_map | ::1/5 second | ::O(map\_size + game\_pieces) | ::Time that it takes to redraw the game map and all game pieces. |
|
|
|
|
|
|
|
|
|
|
### System Scalability Checklist
|
|
|
|
|
|
|
|
|
|
How well do these mechanisms support the achievement of your goals?
|
|
|
|
|
|
|
|
|
|
::2-4 SENTENCES
|
|
|
|
|
|
|
|
|
|
#### Have these scalability mechanisms been communicated to the development team and other stakeholders?
|
|
|
|
|
|
|
|
|
|
::Yes, everyone understands. Feedback is welcome.
|
|
|
|
|
|
|
|
|
|
::No, this is a risk that is noted in the
|
2018-08-14 21:32:43 +00:00
|
|
|
[Risk Management](Project-Plan#Risk-Management) section.
|
