Struct HotCache 

pub struct HotCache { /* private fields */ }

L1 Hot Cache - In-memory with LRU/LFU eviction

Implementations

impl HotCache

pub fn new( max_size: usize, max_entry_size: usize, policy: EvictionPolicy, ) -> Self

Create a new hot cache

pub fn get( &self, fingerprint: &QueryFingerprint, _session: SessionId, ) -> Option<CacheEntry>

Get an entry from the cache

pub fn insert( &self, fingerprint: QueryFingerprint, entry: CacheEntry, session: Option<SessionId>, )

Insert an entry into the cache

pub fn invalidate_by_table(&self, table: &str)

Invalidate entries for a table

pub fn invalidate(&self, fingerprint: &QueryFingerprint)

Invalidate a specific entry

pub fn stats(&self) -> TierStats

Get cache statistics

pub fn clear(&self)

Clear all entries

pub fn len(&self) -> usize

Get number of entries

pub fn is_empty(&self) -> bool

Check if cache is empty

pub fn iter(&self) -> impl Iterator<Item = RefMulti<'_, u64, CacheEntry>>

Iterate over all entries (for L3 invalidation broadcast)

pub fn contains(&self, fingerprint: &QueryFingerprint) -> bool

Check if cache contains a fingerprint