ThrottlingReason

aws_sdk_dynamodb::types

Struct ThrottlingReason 

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#[non_exhaustive]
pub struct ThrottlingReason {
    pub reason: Option<String>,
    pub resource: Option<String>,
}
Expand description

Represents the specific reason why a DynamoDB request was throttled and the ARN of the impacted resource. This helps identify exactly what resource is being throttled, what type of operation caused it, and why the throttling occurred.

Fields (Non-exhaustive)§

This struct is marked as non-exhaustive
Non-exhaustive structs could have additional fields added in future. Therefore, non-exhaustive structs cannot be constructed in external crates using the traditional Struct { .. } syntax; cannot be matched against without a wildcard ..; and struct update syntax will not work.
§reason: Option<String>

The reason for throttling. The throttling reason follows a specific format: ResourceType+OperationType+LimitType:

  • Resource Type (What is being throttled): Table or Index

  • Operation Type (What kind of operation): Read or Write

  • Limit Type (Why the throttling occurred):

    • ProvisionedThroughputExceeded: The request rate is exceeding the provisioned throughput capacity (read or write capacity units) configured for a table or a global secondary index (GSI) in provisioned capacity mode.

    • AccountLimitExceeded: The request rate has caused a table or global secondary index (GSI) in on-demand mode to exceed the per-table account-level service quotas for read/write throughput in the current Amazon Web Services Region.

    • KeyRangeThroughputExceeded: The request rate directed at a specific partition key value has exceeded the internal partition-level throughput limits, indicating uneven access patterns across the table's or GSI's key space.

    • MaxOnDemandThroughputExceeded: The request rate has exceeded the configured maximum throughput limits set for a table or index in on-demand capacity mode.

Examples of complete throttling reasons:

  • TableReadProvisionedThroughputExceeded

  • IndexWriteAccountLimitExceeded

This helps identify exactly what resource is being throttled, what type of operation caused it, and why the throttling occurred.

§resource: Option<String>

The Amazon Resource Name (ARN) of the DynamoDB table or index that experienced the throttling event.

Implementations§

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impl ThrottlingReason

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pub fn reason(&self) -> Option<&str>

The reason for throttling. The throttling reason follows a specific format: ResourceType+OperationType+LimitType:

  • Resource Type (What is being throttled): Table or Index

  • Operation Type (What kind of operation): Read or Write

  • Limit Type (Why the throttling occurred):

    • ProvisionedThroughputExceeded: The request rate is exceeding the provisioned throughput capacity (read or write capacity units) configured for a table or a global secondary index (GSI) in provisioned capacity mode.

    • AccountLimitExceeded: The request rate has caused a table or global secondary index (GSI) in on-demand mode to exceed the per-table account-level service quotas for read/write throughput in the current Amazon Web Services Region.

    • KeyRangeThroughputExceeded: The request rate directed at a specific partition key value has exceeded the internal partition-level throughput limits, indicating uneven access patterns across the table's or GSI's key space.

    • MaxOnDemandThroughputExceeded: The request rate has exceeded the configured maximum throughput limits set for a table or index in on-demand capacity mode.

Examples of complete throttling reasons:

  • TableReadProvisionedThroughputExceeded

  • IndexWriteAccountLimitExceeded

This helps identify exactly what resource is being throttled, what type of operation caused it, and why the throttling occurred.

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pub fn resource(&self) -> Option<&str>

The Amazon Resource Name (ARN) of the DynamoDB table or index that experienced the throttling event.

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impl ThrottlingReason

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pub fn builder() -> ThrottlingReasonBuilder

Creates a new builder-style object to manufacture ThrottlingReason.

Trait Implementations§

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impl Clone for ThrottlingReason

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fn clone(&self) -> ThrottlingReason

Returns a duplicate of the value. Read more
1.0.0 · Source§

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

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

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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 ThrottlingReason

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

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

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 StructuralPartialEq for ThrottlingReason

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