Struct ReadRationing 

pub struct ReadRationing {
    pub master_read_percent: u8,
    /* private fields */
}

Read-write ratio controller: routes read requests to master (strong consistency read) or slave (weak consistency read) by ratio

Fields

master_read_percent: u8

0..=100, indicates what ratio of reads go to master 0 means all reads go to slave, 100 means all reads go to master

Implementations

impl ReadRationing

pub fn new(master_read_percent: u8) -> Self

pub fn default_slave_only() -> Self

Default 0% to master (all reads go to slave)

pub fn default_master_only() -> Self

Default 100% to master (strong consistency read)

pub fn should_read_master(&self) -> bool

Decide whether this read request should go to master

pub fn set_percent(&mut self, percent: u8)

Update the ratio (runtime hot update)

Trait Implementations

impl Clone for ReadRationing

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ReadRationing

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

Formats the value using the given formatter.

impl Default for ReadRationing

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for ReadRationing

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ReadRationing

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

where __S: Serializer,

Serialize this value into the given Serde serializer.