Struct mz_persist::metrics::ArrowMetrics

pub struct ArrowMetrics {
    pub(crate) key: ArrowColumnMetrics,
    pub(crate) val: ArrowColumnMetrics,
    pub(crate) part_build_seconds: Counter,
    pub(crate) part_build_count: IntCounter,
    pub(crate) concat_bytes: IntCounter,
}

Metrics specific to our usage of Arrow and Parquet.

Fields

key: ArrowColumnMetrics

val: ArrowColumnMetrics

part_build_seconds: Counter

part_build_count: IntCounter

concat_bytes: IntCounter

Implementations

impl ArrowMetrics

pub fn new(registry: &MetricsRegistry) -> Self

Returns a new ArrowMetrics instance connected to the given registry.

pub fn key(&self) -> &ArrowColumnMetrics

Metrics for the top-level ‘k_s’ column.

pub fn val(&self) -> &ArrowColumnMetrics

Metrics for the top-level ‘v_s’ column.

pub fn measure_part_build<R, F: FnOnce() -> R>(&self, f: F) -> R

Measure and report how long building a Part takes.

Trait Implementations

impl Clone for ArrowMetrics

fn clone(&self) -> ArrowMetrics

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ArrowMetrics

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

Formats the value using the given formatter.