ShardedLockTable

sochdb_core::concurrency

Struct ShardedLockTable 

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pub struct ShardedLockTable { /* private fields */ }
Expand description

Sharded lock table for row-level locks 256 shards reduce contention by ~256x for uniform key distribution

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impl ShardedLockTable

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pub fn new() -> Self

Create a new sharded lock table

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pub fn try_lock( &self, row_id: RowId, mode: LockMode, txn_id: TxnId, ) -> LockResult

Try to acquire a lock on a row

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pub fn unlock(&self, row_id: RowId, txn_id: TxnId) -> bool

Release a lock on a row

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pub fn unlock_all(&self, txn_id: TxnId) -> usize

Release all locks held by a transaction

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pub fn stats(&self) -> &LockTableStats

Get statistics

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impl Default for ShardedLockTable

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fn default() -> Self

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

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where T: 'static + ?Sized,

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impl<T> From<T> for T

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type Error = Infallible

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