Struct PersistenceStats 

pub struct PersistenceStats {

    pub entries_sent: u64,
    pub entries_written: u64,
    pub batches_written: u64,
    pub bytes_written: u64,
    pub time_flushes: u64,
    pub count_flushes: u64,
    pub explicit_flushes: u64,
    pub volatile_discards: u64,
    pub commit_syncs: u64,
    pub op_syncs: u64,
    pub avg_flush_latency_us: u64,
    pub max_flush_latency_us: u64,
    pub pending_entries: u64,
    /* private fields */
}

Statistics about the persistence engine

Fields

entries_sent: u64

Total entries sent to the engine

entries_written: u64

Total entries written to disk

batches_written: u64

Total batches written

bytes_written: u64

Total bytes written

time_flushes: u64

Number of time-based flushes

count_flushes: u64

Number of count-based flushes

explicit_flushes: u64

Number of explicit flushes

volatile_discards: u64

Number of entries discarded in volatile mode

commit_syncs: u64

Number of sync-on-commit flushes (Durable/Paranoid mode)

op_syncs: u64

Number of sync-on-op flushes (Paranoid mode only)

avg_flush_latency_us: u64

Average flush latency in microseconds

max_flush_latency_us: u64

Maximum flush latency in microseconds

pending_entries: u64

Number of pending entries in channel (snapshot)

Implementations

impl PersistenceStats

pub fn record_flush_latency(&mut self, duration: Duration)

Record a flush latency measurement

Trait Implementations

impl Clone for PersistenceStats

fn clone(&self) -> PersistenceStats

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PersistenceStats

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

Formats the value using the given formatter.

impl Default for PersistenceStats

fn default() -> PersistenceStats

Returns the “default value” for a type.