Should data type be considered when choosing what to cache?

Yes, data type is important when choosing what to cache, especially in iOS development. For example:

• Large objects (such as images, videos) are better cached on disk to avoid overwhelming RAM.
• Small and frequently used data (such as settings, computation results) are convenient to store in memory for quick access.
• For mutable data, consider how often they are updated to avoid caching outdated information.

Thus, the choice of caching strategy depends on the size, access frequency, and volatility of the data.