TieredCachedBlockStore

ipfrs_storage::cache

Struct TieredCachedBlockStore 

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pub struct TieredCachedBlockStore<S: BlockStore> { /* private fields */ }
Expand description

Tiered caching wrapper around a block store

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impl<S: BlockStore> TieredCachedBlockStore<S>

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pub fn new(store: S, l1_capacity: usize, l2_capacity: usize) -> Self

Create a new tiered caching block store

§Arguments
  • store - Underlying block store
  • l1_capacity - L1 cache capacity (number of blocks)
  • l2_capacity - L2 cache capacity (number of blocks)
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pub fn store(&self) -> &S

Get reference to the underlying store

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pub fn cache_stats(&self) -> TieredCacheStats

Get cache statistics

Trait Implementations§

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impl<S: BlockStore> BlockStore for TieredCachedBlockStore<S>

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fn put<'life0, 'life1, 'async_trait>( &'life0 self, block: &'life1 Block, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Store a single block
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fn get<'life0, 'life1, 'async_trait>( &'life0 self, cid: &'life1 Cid, ) -> Pin<Box<dyn Future<Output = Result<Option<Block>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Retrieve a block by CID
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fn has<'life0, 'life1, 'async_trait>( &'life0 self, cid: &'life1 Cid, ) -> Pin<Box<dyn Future<Output = Result<bool>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Check if a block exists
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fn delete<'life0, 'life1, 'async_trait>( &'life0 self, cid: &'life1 Cid, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Delete a block
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fn list_cids(&self) -> Result<Vec<Cid>>

List all CIDs in the store
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fn len(&self) -> usize

Get number of blocks
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fn is_empty(&self) -> bool

Check if store is empty
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fn flush<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Flush any pending writes
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fn close<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Close the store and release resources
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fn put_many<'life0, 'life1, 'async_trait>( &'life0 self, blocks: &'life1 [Block], ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Store multiple blocks atomically
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fn get_many<'life0, 'life1, 'async_trait>( &'life0 self, cids: &'life1 [Cid], ) -> Pin<Box<dyn Future<Output = Result<Vec<Option<Block>>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Retrieve multiple blocks
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fn has_many<'life0, 'life1, 'async_trait>( &'life0 self, cids: &'life1 [Cid], ) -> Pin<Box<dyn Future<Output = Result<Vec<bool>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Check if multiple blocks exist
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fn delete_many<'life0, 'life1, 'async_trait>( &'life0 self, cids: &'life1 [Cid], ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Delete multiple blocks

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type Output = T

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impl<T> StreamingBlockStore for T
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fn get_range<'life0, 'life1, 'async_trait>( &'life0 self, cid: &'life1 Cid, range: ByteRange, ) -> Pin<Box<dyn Future<Output = Result<Option<PartialBlock>>> + Send + 'async_trait>>
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Read a partial block (range-based) Read more
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fn reader<'life0, 'life1, 'async_trait>( &'life0 self, cid: &'life1 Cid, ) -> Pin<Box<dyn Future<Output = Result<Option<BlockReader>>> + Send + 'async_trait>>
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Create an async reader for a block
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where Self: Sync + 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Get the size of a block without reading its contents
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