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services/s3/s3manager: Uploader does not utilize buffer pool #402

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skmcgrail opened this issue Sep 26, 2019 · 0 comments · Fixed by #404 or #409
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services/s3/s3manager: Uploader does not utilize buffer pool #402

skmcgrail opened this issue Sep 26, 2019 · 0 comments · Fixed by #404 or #409
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pr/work-in-progress This PR is a draft and needs further work. v1-sync

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The S3 Upload Manager does not utilize a pool of buffers when performing a streaming upload where the size of the io.Reader is not known.

@skmcgrail skmcgrail self-assigned this Sep 26, 2019
@skmcgrail skmcgrail added the pr/work-in-progress This PR is a draft and needs further work. label Sep 26, 2019
skmcgrail added a commit to skmcgrail/aws-sdk-go-v2 that referenced this issue Oct 1, 2019
* Synced the V2 SDK with latest AWS service API definitions.

* This update includes breaking changes to how the DynamoDB AttributeValue (un)marshier handles empty collections.

* `service/s3/s3crypto`: Deprecates the crypto client from the SDK ([aws#394](aws#394))
  * s3crypto client is now deprecated and may be removed from the future versions of the SDK.
* `aws`: Removes plugin credential provider ([aws#391](aws#391))
  * Removing plugin credential provider from the v2 SDK developer preview. This feature may be made available as a separate module.
* Removes support for deprecated Go versions ([aws#393](aws#393))
  * Removes support for Go version specific files from the SDK. Also removes irrelevant build tags, and updates the README.md file.
  * Raises the minimum supported version to Go 1.11 for the SDK. Older versions may work, but are not actively supported

* `service/s3/s3manager`: Add Upload Buffer Provider ([aws#404](aws#404))
  * Adds a new `BufferProvider` member for specifying how part data can be buffered in memory.
  * Windows platforms will now default to buffering 1MB per part to reduce contention when uploading files.
  * Non-Windows platforms will continue to employ a non-buffering behavior.
* `service/s3/s3manager`: Add Download Buffer Provider ([aws#404](aws#404))
  * Adds a new `BufferProvider` member for specifying how part data can be buffered in memory when copying from the http response body.
  * Windows platforms will now default to buffering 1MB per part to reduce contention when downloading files.
  * Non-Windows platforms will continue to employ a non-buffering behavior.
* `service/dynamodb/dynamodbattribute`: New Encoder and Decoder Behavior for Empty Collections ([aws#401](aws#401))
  * The `Encoder` and `Decoder` types have been enhanced to support the marshaling of empty structures, maps, and slices to and from their respective DynamoDB AttributeValues.
  * This change incorporates the behavior changes introduced via a marshal option in V1 ([aws#2834](aws/aws-sdk-go#2834))

* `internal/awsutil`: Add suppressing logging sensitive API parameters ([aws#398](aws#398))
  * Adds suppressing logging sensitive API parameters marked with the `sensitive` trait. This prevents the API type's `String` method returning a string representation of the API type with sensitive fields printed such as keys and passwords.
  * Related to [aws/aws-sdk-go#2310](aws/aws-sdk-go#2310)
  * Fixes [aws#251](aws#251)
* `aws/request` : Retryer is now a named field on Request. ([aws#393](aws#393))
* `service/s3/s3manager`: Adds `sync.Pool` to allow reuse of part buffers for streaming payloads ([aws#404](aws#404))
  * Fixes [aws#402](aws#402)
  * Uses the new behavior introduced in V1 [#2863](aws/aws-sdk-go#2863) which allows the reuse of the sync.Pool across multiple Upload request that match part sizes.

* `service/s3/s3manager`: Fix index out of range when a streaming reader returns -1 ([aws#378](aws#378))
  * Fixes the S3 Upload Manager's handling of an unbounded streaming reader that returns negative bytes read.
* `internal/ini`: Fix ini parser to handle empty values [aws#406](aws#406)
  * Fixes incorrect modifications to the previous token value of the skipper. Adds checks for cases where a skipped statement should be marked as complete and not be ignored.
  * Adds tests for nested and empty field value parsing, along with tests suggested in [aws/aws-sdk-go#2801](aws/aws-sdk-go#2801)
skmcgrail added a commit to skmcgrail/aws-sdk-go-v2 that referenced this issue Oct 1, 2019
### Services
* Synced the V2 SDK with latest AWS service API definitions.

### SDK Breaking changes
* This update includes breaking changes to how the DynamoDB AttributeValue (un)marshier handles empty collections.

### Deprecations
* `service/s3/s3crypto`: Deprecates the crypto client from the SDK ([aws#394](aws#394))
  * s3crypto client is now deprecated and may be removed from the future versions of the SDK.
* `aws`: Removes plugin credential provider ([aws#391](aws#391))
  * Removing plugin credential provider from the v2 SDK developer preview. This feature may be made available as a separate module.
* Removes support for deprecated Go versions ([aws#393](aws#393))
  * Removes support for Go version specific files from the SDK. Also removes irrelevant build tags, and updates the README.md file.
  * Raises the minimum supported version to Go 1.11 for the SDK. Older versions may work, but are not actively supported

### SDK Features
* `service/s3/s3manager`: Add Upload Buffer Provider ([aws#404](aws#404))
  * Adds a new `BufferProvider` member for specifying how part data can be buffered in memory.
  * Windows platforms will now default to buffering 1MB per part to reduce contention when uploading files.
  * Non-Windows platforms will continue to employ a non-buffering behavior.
* `service/s3/s3manager`: Add Download Buffer Provider ([aws#404](aws#404))
  * Adds a new `BufferProvider` member for specifying how part data can be buffered in memory when copying from the http response body.
  * Windows platforms will now default to buffering 1MB per part to reduce contention when downloading files.
  * Non-Windows platforms will continue to employ a non-buffering behavior.
* `service/dynamodb/dynamodbattribute`: New Encoder and Decoder Behavior for Empty Collections ([aws#401](aws#401))
  * The `Encoder` and `Decoder` types have been enhanced to support the marshaling of empty structures, maps, and slices to and from their respective DynamoDB AttributeValues.
  * This change incorporates the behavior changes introduced via a marshal option in V1 ([aws#2834](aws/aws-sdk-go#2834))

### SDK Enhancements
* `internal/awsutil`: Add suppressing logging sensitive API parameters ([aws#398](aws#398))
  * Adds suppressing logging sensitive API parameters marked with the `sensitive` trait. This prevents the API type's `String` method returning a string representation of the API type with sensitive fields printed such as keys and passwords.
  * Related to [aws/aws-sdk-go#2310](aws/aws-sdk-go#2310)
  * Fixes [aws#251](aws#251)
* `aws/request` : Retryer is now a named field on Request. ([aws#393](aws#393))
* `service/s3/s3manager`: Adds `sync.Pool` to allow reuse of part buffers for streaming payloads ([aws#404](aws#404))
  * Fixes [aws#402](aws#402)
  * Uses the new behavior introduced in V1 [#2863](aws/aws-sdk-go#2863) which allows the reuse of the sync.Pool across multiple Upload request that match part sizes.

### SDK Bugs
* `service/s3/s3manager`: Fix index out of range when a streaming reader returns -1 ([aws#378](aws#378))
  * Fixes the S3 Upload Manager's handling of an unbounded streaming reader that returns negative bytes read.
* `internal/ini`: Fix ini parser to handle empty values [aws#406](aws#406)
  * Fixes incorrect modifications to the previous token value of the skipper. Adds checks for cases where a skipped statement should be marked as complete and not be ignored.
  * Adds tests for nested and empty field value parsing, along with tests suggested in [aws/aws-sdk-go#2801](aws/aws-sdk-go#2801)
skmcgrail added a commit that referenced this issue Oct 2, 2019
### Services
* Synced the V2 SDK with latest AWS service API definitions.

### SDK Breaking changes
* This update includes breaking changes to how the DynamoDB AttributeValue (un)marshier handles empty collections.

### Deprecations
* `service/s3/s3crypto`: Deprecates the crypto client from the SDK ([#394](#394))
  * s3crypto client is now deprecated and may be removed from the future versions of the SDK.
* `aws`: Removes plugin credential provider ([#391](#391))
  * Removing plugin credential provider from the v2 SDK developer preview. This feature may be made available as a separate module.
* Removes support for deprecated Go versions ([#393](#393))
  * Removes support for Go version specific files from the SDK. Also removes irrelevant build tags, and updates the README.md file.
  * Raises the minimum supported version to Go 1.11 for the SDK. Older versions may work, but are not actively supported

### SDK Features
* `service/s3/s3manager`: Add Upload Buffer Provider ([#404](#404))
  * Adds a new `BufferProvider` member for specifying how part data can be buffered in memory.
  * Windows platforms will now default to buffering 1MB per part to reduce contention when uploading files.
  * Non-Windows platforms will continue to employ a non-buffering behavior.
* `service/s3/s3manager`: Add Download Buffer Provider ([#404](#404))
  * Adds a new `BufferProvider` member for specifying how part data can be buffered in memory when copying from the http response body.
  * Windows platforms will now default to buffering 1MB per part to reduce contention when downloading files.
  * Non-Windows platforms will continue to employ a non-buffering behavior.
* `service/dynamodb/dynamodbattribute`: New Encoder and Decoder Behavior for Empty Collections ([#401](#401))
  * The `Encoder` and `Decoder` types have been enhanced to support the marshaling of empty structures, maps, and slices to and from their respective DynamoDB AttributeValues.
  * This change incorporates the behavior changes introduced via a marshal option in V1 ([#2834](aws/aws-sdk-go#2834))

### SDK Enhancements
* `internal/awsutil`: Add suppressing logging sensitive API parameters ([#398](#398))
  * Adds suppressing logging sensitive API parameters marked with the `sensitive` trait. This prevents the API type's `String` method returning a string representation of the API type with sensitive fields printed such as keys and passwords.
  * Related to [aws/aws-sdk-go#2310](aws/aws-sdk-go#2310)
  * Fixes [#251](#251)
* `aws/request` : Retryer is now a named field on Request. ([#393](#393))
* `service/s3/s3manager`: Adds `sync.Pool` to allow reuse of part buffers for streaming payloads ([#404](#404))
  * Fixes [#402](#402)
  * Uses the new behavior introduced in V1 [#2863](aws/aws-sdk-go#2863) which allows the reuse of the sync.Pool across multiple Upload request that match part sizes.

### SDK Bugs
* `service/s3/s3manager`: Fix index out of range when a streaming reader returns -1 ([#378](#378))
  * Fixes the S3 Upload Manager's handling of an unbounded streaming reader that returns negative bytes read.
* `internal/ini`: Fix ini parser to handle empty values [#406](#406)
  * Fixes incorrect modifications to the previous token value of the skipper. Adds checks for cases where a skipped statement should be marked as complete and not be ignored.
  * Adds tests for nested and empty field value parsing, along with tests suggested in [aws/aws-sdk-go#2801](aws/aws-sdk-go#2801)
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