| layout | pattern | |||
|---|---|---|---|---|
| title | Dirty Flag | |||
| folder | dirty-flag | |||
| permalink | /patterns/dirty-flag/ | |||
| categories | Other | |||
| tags |
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To avoid expensive re-acquisition of resources. The resources retain their identity, are kept in some fast-access storage, and are re-used to avoid having to acquire them again.
Use the Dirty Flag pattern when
- Repetitious acquisition, initialization, and release of the same resource causes unnecessary performance overhead.