Struct WalConfig 

pub struct WalConfig {
    pub dir: PathBuf,
    pub group_commit_window: Duration,
    pub max_batch_size: usize,
    pub max_pending_writes: usize,
    pub preallocate_size: u64,
    pub direct_io: bool,
    pub sync_mode: SyncMode,
    pub max_file_size: u64,
    pub encryptor: Option<Arc<dyn Encryptor>>,
}

Configuration for group commit WAL

Fields

dir: PathBuf

Directory for WAL files

group_commit_window: Duration

Group commit window (how long to wait for more writes)

max_batch_size: usize

Maximum batch size before forcing flush

max_pending_writes: usize

Maximum pending writes before forcing flush

preallocate_size: u64

Pre-allocate WAL files to this size

direct_io: bool

Enable direct I/O (bypass OS cache)

sync_mode: SyncMode

Sync mode

max_file_size: u64

Maximum WAL file size before rotation

encryptor: Option<Arc<dyn Encryptor>>

Optional encryption for data at rest

Implementations

impl WalConfig

pub fn high_throughput() -> Self

High-throughput configuration (more batching, less frequent sync)

pub fn low_latency() -> Self

Low-latency configuration (less batching, more frequent sync)

pub fn durable() -> Self

Durability-focused configuration

Trait Implementations

impl Clone for WalConfig

fn clone(&self) -> WalConfig

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for WalConfig

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

Formats the value using the given formatter.

impl Default for WalConfig

fn default() -> Self

Returns the “default value” for a type.