Grokking Modern Mobile System Design Interview
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On Device Storage Options
Choose on-device storage by the work it must support. Consider queries, consistency, lifetime, and protection before choosing a library.
A notes app may store preferences, note text, attachments, pending operations, and credentials. These values have different needs.
Match the data to a storage capability
| Storage capability | Suitable examples | Important question |
|---|---|---|
| Small key-value or typed settings store | Theme and display preferences | Are updates small and independently meaningful? |
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