aws_sdk_appsync::types

Struct ApiCache

Source 
#[non_exhaustive]
pub struct ApiCache {
    pub ttl: i64,
    pub api_caching_behavior: Option<ApiCachingBehavior>,
    pub transit_encryption_enabled: bool,
    pub at_rest_encryption_enabled: bool,
    pub type: Option<ApiCacheType>,
    pub status: Option<ApiCacheStatus>,
    pub health_metrics_config: Option<CacheHealthMetricsConfig>,
}
Expand description

The ApiCache object.

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.
§ttl: i64

TTL in seconds for cache entries.

Valid values are 1–3,600 seconds.

§api_caching_behavior: Option<ApiCachingBehavior>

Caching behavior.

  • FULL_REQUEST_CACHING: All requests from the same user are cached. Individual resolvers are automatically cached. All API calls will try to return responses from the cache.

  • PER_RESOLVER_CACHING: Individual resolvers that you specify are cached.

  • OPERATION_LEVEL_CACHING: Full requests are cached together and returned without executing resolvers.

§transit_encryption_enabled: bool

Transit encryption flag when connecting to cache. You cannot update this setting after creation.

§at_rest_encryption_enabled: bool

At-rest encryption flag for cache. You cannot update this setting after creation.

§type: Option<ApiCacheType>

The cache instance type. Valid values are

  • SMALL

  • MEDIUM

  • LARGE

  • XLARGE

  • LARGE_2X

  • LARGE_4X

  • LARGE_8X (not available in all regions)

  • LARGE_12X

Historically, instance types were identified by an EC2-style value. As of July 2020, this is deprecated, and the generic identifiers above should be used.

The following legacy instance types are available, but their use is discouraged:

  • T2_SMALL: A t2.small instance type.

  • T2_MEDIUM: A t2.medium instance type.

  • R4_LARGE: A r4.large instance type.

  • R4_XLARGE: A r4.xlarge instance type.

  • R4_2XLARGE: A r4.2xlarge instance type.

  • R4_4XLARGE: A r4.4xlarge instance type.

  • R4_8XLARGE: A r4.8xlarge instance type.

§status: Option<ApiCacheStatus>

The cache instance status.

  • AVAILABLE: The instance is available for use.

  • CREATING: The instance is currently creating.

  • DELETING: The instance is currently deleting.

  • MODIFYING: The instance is currently modifying.

  • FAILED: The instance has failed creation.

§health_metrics_config: Option<CacheHealthMetricsConfig>

Controls how cache health metrics will be emitted to CloudWatch. Cache health metrics include:

  • NetworkBandwidthOutAllowanceExceeded: The network packets dropped because the throughput exceeded the aggregated bandwidth limit. This is useful for diagnosing bottlenecks in a cache configuration.

  • EngineCPUUtilization: The CPU utilization (percentage) allocated to the Redis process. This is useful for diagnosing bottlenecks in a cache configuration.

Metrics will be recorded by API ID. You can set the value to ENABLED or DISABLED.

Implementations§

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impl ApiCache

Source

pub fn ttl(&self) -> i64

TTL in seconds for cache entries.

Valid values are 1–3,600 seconds.

Source

pub fn api_caching_behavior(&self) -> Option<&ApiCachingBehavior>

Caching behavior.

  • FULL_REQUEST_CACHING: All requests from the same user are cached. Individual resolvers are automatically cached. All API calls will try to return responses from the cache.

  • PER_RESOLVER_CACHING: Individual resolvers that you specify are cached.

  • OPERATION_LEVEL_CACHING: Full requests are cached together and returned without executing resolvers.

Source

pub fn transit_encryption_enabled(&self) -> bool

Transit encryption flag when connecting to cache. You cannot update this setting after creation.

Source

pub fn at_rest_encryption_enabled(&self) -> bool

At-rest encryption flag for cache. You cannot update this setting after creation.

Source

pub fn type(&self) -> Option<&ApiCacheType>

The cache instance type. Valid values are

  • SMALL

  • MEDIUM

  • LARGE

  • XLARGE

  • LARGE_2X

  • LARGE_4X

  • LARGE_8X (not available in all regions)

  • LARGE_12X

Historically, instance types were identified by an EC2-style value. As of July 2020, this is deprecated, and the generic identifiers above should be used.

The following legacy instance types are available, but their use is discouraged:

  • T2_SMALL: A t2.small instance type.

  • T2_MEDIUM: A t2.medium instance type.

  • R4_LARGE: A r4.large instance type.

  • R4_XLARGE: A r4.xlarge instance type.

  • R4_2XLARGE: A r4.2xlarge instance type.

  • R4_4XLARGE: A r4.4xlarge instance type.

  • R4_8XLARGE: A r4.8xlarge instance type.

Source

pub fn status(&self) -> Option<&ApiCacheStatus>

The cache instance status.

  • AVAILABLE: The instance is available for use.

  • CREATING: The instance is currently creating.

  • DELETING: The instance is currently deleting.

  • MODIFYING: The instance is currently modifying.

  • FAILED: The instance has failed creation.

Source

pub fn health_metrics_config(&self) -> Option<&CacheHealthMetricsConfig>

Controls how cache health metrics will be emitted to CloudWatch. Cache health metrics include:

  • NetworkBandwidthOutAllowanceExceeded: The network packets dropped because the throughput exceeded the aggregated bandwidth limit. This is useful for diagnosing bottlenecks in a cache configuration.

  • EngineCPUUtilization: The CPU utilization (percentage) allocated to the Redis process. This is useful for diagnosing bottlenecks in a cache configuration.

Metrics will be recorded by API ID. You can set the value to ENABLED or DISABLED.

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impl ApiCache

Source

pub fn builder() -> ApiCacheBuilder

Creates a new builder-style object to manufacture ApiCache.

Trait Implementations§

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impl Clone for ApiCache

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fn clone(&self) -> ApiCache

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 ApiCache

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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 ApiCache

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fn eq(&self, other: &ApiCache) -> 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 ApiCache

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