Struct aws_sdk_kinesis::client::fluent_builders::UpdateShardCount

pub struct UpdateShardCount { /* private fields */ }

Fluent builder constructing a request to UpdateShardCount.

Updates the shard count of the specified stream to the specified number of shards. This API is only supported for the data streams with the provisioned capacity mode.

When invoking this API, it is recommended you use the StreamARN input parameter rather than the StreamName input parameter.

Updating the shard count is an asynchronous operation. Upon receiving the request, Kinesis Data Streams returns immediately and sets the status of the stream to UPDATING. After the update is complete, Kinesis Data Streams sets the status of the stream back to ACTIVE. Depending on the size of the stream, the scaling action could take a few minutes to complete. You can continue to read and write data to your stream while its status is UPDATING.

To update the shard count, Kinesis Data Streams performs splits or merges on individual shards. This can cause short-lived shards to be created, in addition to the final shards. These short-lived shards count towards your total shard limit for your account in the Region.

When using this operation, we recommend that you specify a target shard count that is a multiple of 25% (25%, 50%, 75%, 100%). You can specify any target value within your shard limit. However, if you specify a target that isn't a multiple of 25%, the scaling action might take longer to complete.

This operation has the following default limits. By default, you cannot do the following:

• Scale more than ten times per rolling 24-hour period per stream

• Scale up to more than double your current shard count for a stream

• Scale down below half your current shard count for a stream

• Scale up to more than 10000 shards in a stream

• Scale a stream with more than 10000 shards down unless the result is less than 10000 shards

• Scale up to more than the shard limit for your account

For the default limits for an Amazon Web Services account, see Streams Limits in the Amazon Kinesis Data Streams Developer Guide. To request an increase in the call rate limit, the shard limit for this API, or your overall shard limit, use the limits form.

Implementations

impl UpdateShardCount

pub async fn customize(
    self
) -> Result<CustomizableOperation<UpdateShardCount, AwsResponseRetryClassifier>, SdkError<UpdateShardCountError>>

Consume this builder, creating a customizable operation that can be modified before being sent. The operation’s inner http::Request can be modified as well.

pub async fn send(
    self
) -> Result<UpdateShardCountOutput, SdkError<UpdateShardCountError>>

Sends the request and returns the response.

If an error occurs, an SdkError will be returned with additional details that can be matched against.

By default, any retryable failures will be retried twice. Retry behavior is configurable with the RetryConfig, which can be set when configuring the client.

pub fn stream_name(self, input: impl Into<String>) -> Self

The name of the stream.

pub fn set_stream_name(self, input: Option<String>) -> Self

The name of the stream.

pub fn target_shard_count(self, input: i32) -> Self

The new number of shards. This value has the following default limits. By default, you cannot do the following:

• Set this value to more than double your current shard count for a stream.

• Set this value below half your current shard count for a stream.

• Set this value to more than 10000 shards in a stream (the default limit for shard count per stream is 10000 per account per region), unless you request a limit increase.

• Scale a stream with more than 10000 shards down unless you set this value to less than 10000 shards.

pub fn set_target_shard_count(self, input: Option<i32>) -> Self

The new number of shards. This value has the following default limits. By default, you cannot do the following:

• Set this value to more than double your current shard count for a stream.

• Set this value below half your current shard count for a stream.

• Set this value to more than 10000 shards in a stream (the default limit for shard count per stream is 10000 per account per region), unless you request a limit increase.

• Scale a stream with more than 10000 shards down unless you set this value to less than 10000 shards.

pub fn scaling_type(self, input: ScalingType) -> Self

The scaling type. Uniform scaling creates shards of equal size.

pub fn set_scaling_type(self, input: Option<ScalingType>) -> Self

The scaling type. Uniform scaling creates shards of equal size.

pub fn stream_arn(self, input: impl Into<String>) -> Self

The ARN of the stream.

pub fn set_stream_arn(self, input: Option<String>) -> Self

The ARN of the stream.

Trait Implementations

impl Clone for UpdateShardCount

fn clone(&self) -> UpdateShardCount

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for UpdateShardCount

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

Formats the value using the given formatter.