| /// Configure how caches are used to speed up various git repository operations |
| impl crate::Repository { |
| /// Sets the amount of space used at most for caching most recently accessed fully decoded objects, to `Some(bytes)`, |
| /// or `None` to deactivate it entirely. |
| /// |
| /// Note that it is unset by default but can be enabled once there is time for performance optimization. |
| /// Well-chosen cache sizes can improve performance particularly if objects are accessed multiple times in a row. |
| /// The cache is configured to grow gradually. |
| /// |
| /// Note that a cache on application level should be considered as well as the best object access is not doing one. |
| pub fn object_cache_size(&mut self, bytes: impl Into<Option<usize>>) { |
| let bytes = bytes.into(); |
| match bytes { |
| Some(0) => self.objects.unset_object_cache(), |
| Some(bytes) => self |
| .objects |
| .set_object_cache(move || Box::new(crate::object::cache::MemoryCappedHashmap::new(bytes))), |
| None => self.objects.unset_object_cache(), |
| } |
| } |
| |
| /// Set an object cache of size `bytes` if none is set. |
| /// |
| /// Use this method to avoid overwriting any existing value while assuring better performance in case no value is set. |
| pub fn object_cache_size_if_unset(&mut self, bytes: usize) { |
| if !self.objects.has_object_cache() { |
| self.object_cache_size(bytes) |
| } |
| } |
| } |
