Struct MvccMemory 

pub struct MvccMemory {
    pub total_bytes: usize,
    pub node_version_chains_bytes: usize,
    pub edge_version_chains_bytes: usize,
    pub average_chain_depth: f64,
    pub max_chain_depth: usize,
}

MVCC versioning overhead.

Fields

total_bytes: usize

Total MVCC overhead.

node_version_chains_bytes: usize

Version chain overhead for nodes.

edge_version_chains_bytes: usize

Version chain overhead for edges.

average_chain_depth: f64

Average version chain depth.

max_chain_depth: usize

Maximum version chain depth seen.

Implementations

impl MvccMemory

pub fn compute_total(&mut self)

Recomputes total_bytes from child values.

Trait Implementations

impl Clone for MvccMemory

fn clone(&self) -> MvccMemory

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MvccMemory

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

Formats the value using the given formatter.

impl Default for MvccMemory

fn default() -> MvccMemory

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for MvccMemory

fn deserialize<__D>( __deserializer: __D, ) -> Result<MvccMemory, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for MvccMemory

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.