pub struct CacheConfig {
    pub capacity: u64,
    pub timeout_missing: Duration,
}
Expand description

Configuration for storage Cache.

This allows you to override the behaviour of the cache. In general, you should use the CacheConfig::default() implementation to create a default configuration. The value that you should consider tweaking is the capacity, which you should set to however much memory you are willing to throw at the cache.

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§capacity: u64

Capacity of cache, in bytes.

You should set this to however much memory you are willing to use for the cache. In general, the higher you set this to, the better. The default is set to 16MB.

§timeout_missing: Duration

Timeout for missing crate entries.

Packages are immutable once published, so we can cache them forever. However, we are also caching negative lookup results, but these can change as artifacts are published. For that reason, negative lookups have a dedicated cache duration that should be set to a low value.

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impl Clone for CacheConfig

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fn clone(&self) -> CacheConfig

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for CacheConfig

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for CacheConfig

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Copy for CacheConfig

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