Struct PostgresStoreConfig 

pub struct PostgresStoreConfig {
    pub max_connections: u32,
    pub min_connections: u32,
    pub acquire_timeout: Duration,
    pub idle_timeout: Option<Duration>,
    pub max_lifetime: Option<Duration>,
    pub lock_timeout: Option<Duration>,
    pub statement_timeout: Option<Duration>,
}

Connection-pool and per-connection timeout knobs for PostgresStorage.

Session commits use optimistic CAS on the head (UPDATE … WHERE head_revision = expected), not a held SELECT … FOR UPDATE, so concurrent writers never pin a pool connection while blocked on a lock. lock_timeout is defense in depth: it caps how long the single CAS write may wait on the head row’s lock before erroring (surfaced as a retryable conflict), so a pathological burst can never starve the pool.

Fields

max_connections: u32

Maximum pooled connections. Default 16.

min_connections: u32

Minimum idle connections kept warm. Default 0.

acquire_timeout: Duration

How long acquire waits for a free connection before erroring. Default 30s.

idle_timeout: Option<Duration>

Close a connection after this idle period. Default 10m.

max_lifetime: Option<Duration>

Recycle a connection after this lifetime. Default 30m.

lock_timeout: Option<Duration>

Postgres lock_timeout applied to every connection. Default 10s.

statement_timeout: Option<Duration>

Postgres statement_timeout applied to every connection. Default 30s — a backstop so a wedged query can never hold a connection indefinitely.

Trait Implementations

impl Clone for PostgresStoreConfig

fn clone(&self) -> PostgresStoreConfig

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PostgresStoreConfig

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

Formats the value using the given formatter.

impl Default for PostgresStoreConfig

fn default() -> Self

Returns the “default value” for a type.