PermitGranularity

common_memory_manager

Enum PermitGranularity 

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pub enum PermitGranularity {
    Kilobyte,
    Megabyte,
}
Expand description

Memory permit granularity for different use cases.

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Kilobyte

1 KB per permit

Use for:

  • HTTP/gRPC request limiting (small, high-concurrency operations)
  • Small batch operations
  • Scenarios requiring fine-grained fairness
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Megabyte

1 MB per permit (default)

Use for:

  • Query execution memory management
  • Compaction memory control
  • Large, long-running operations

Implementations§

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impl PermitGranularity

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pub const fn bytes(self) -> u64

Returns the number of bytes per permit.

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pub const fn as_str(self) -> &'static str

Returns a human-readable string representation.

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pub fn bytes_to_permits(self, bytes: u64) -> u32

Converts bytes to permits based on this granularity.

Rounds up to ensure the requested bytes are fully covered. Clamped to Semaphore::MAX_PERMITS.

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pub fn permits_to_bytes(self, permits: u32) -> u64

Converts permits to bytes based on this granularity.

Trait Implementations§

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impl Clone for PermitGranularity

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fn clone(&self) -> PermitGranularity

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for PermitGranularity

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

Formats the value using the given formatter. Read more
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impl Default for PermitGranularity

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fn default() -> PermitGranularity

Returns the “default value” for a type. Read more
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impl Display for PermitGranularity

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

Formats the value using the given formatter. Read more
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impl PartialEq for PermitGranularity

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fn eq(&self, other: &PermitGranularity) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for PermitGranularity

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impl Eq for PermitGranularity

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impl StructuralPartialEq for PermitGranularity

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impl<T> Any for T
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Immutably borrows from an owned value. Read more
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Mutably borrows from an owned value. Read more
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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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Causes self to use its Binary implementation when Debug-formatted.
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Causes self to use its Display implementation when Debug-formatted.
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fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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Causes self to use its Octal implementation when Debug-formatted.
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fn fmt_upper_exp(self) -> FmtUpperExp<Self>
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Causes self to use its UpperExp implementation when Debug-formatted.
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Causes self to use its UpperHex implementation when Debug-formatted.
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Propagate a header from the request to the response. Read more
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High level tracing that classifies responses using HTTP status codes. Read more
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High level tracing that classifies responses using gRPC headers. Read more
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Follow redirect resposes using the Standard policy. Read more
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Mark headers as sensitive on both requests and responses. Read more
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fn sensitive_request_headers( self, headers: impl IntoIterator<Item = HeaderName>, ) -> SetSensitiveRequestHeaders<Self>
where Self: Sized,

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Mark headers as sensitive on responses. Read more
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Insert a header into the request. Read more
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Append a header into the request. Read more
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Add request id header and extension, using x-request-id as the header name. Read more
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fn propagate_request_id( self, header_name: HeaderName, ) -> PropagateRequestId<Self>
where Self: Sized,

Propgate request ids from requests to responses. Read more
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Propgate request ids from requests to responses, using x-request-id as the header name. Read more
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fn request_body_limit(self, limit: usize) -> RequestBodyLimit<Self>
where Self: Sized,

Intercept requests with over-sized payloads and convert them into 413 Payload Too Large responses. Read more
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Remove trailing slashes from paths. Read more
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