Struct Pressure 

pub struct Pressure {
    pub disk_free: AtomicU64,
    /* private fields */
}

Fields

disk_free: AtomicU64

The last measured free-bytes reading (for gauges and logs).

Implementations

impl Pressure

pub fn refusal(&self, low_priority: bool) -> Option<String>

The admission verdict for work at a given priority: Shed refuses everything, Warn already refuses low-priority work — which is what gives priority: low teeth beyond a niceness delta: it is the work an operator pre-agreed to sacrifice first.

impl Pressure

pub fn new(disk_path: Option<PathBuf>, shed_below: u64) -> Pressure

pub fn level(&self) -> Level

The current level, re-measuring at most every couple of seconds.

pub fn shedding(&self) -> bool

Whether new work should be REFUSED right now.

pub fn cause(&self) -> &'static str

What drove the current level.