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https://issues.apache.org/jira/browse/HADOOP-18028?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17514996#comment-17514996
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PJ Fanning edited comment on HADOOP-18028 at 3/31/22, 12:36 AM:
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Would it be possible to consider switching the AWS v2 SDK instead of the v1
SDK? It has extra features for non-blocking I/O.
* https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/home.html
* https://aws.amazon.com/blogs/developer/aws-sdk-for-java-2-0-developer-preview/
* is it possible that some v1 SDK features that you need are missing in v2 SDK?
The v2 SDK has async client support that uses [reactive
streams|https://www.reactive-streams.org/].
was (Author: pj.fanning):
Would it be possible to consider switching the AWS v2 SDK instead of the v1
SDK? It has extra features for non-blocking I/O.
* https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/home.html
* https://aws.amazon.com/blogs/developer/aws-sdk-for-java-2-0-developer-preview/
* is it possible that some v1 SDK features that you need are missing in v2 SDK?
> High performance S3A input stream with prefetching & caching
> ------------------------------------------------------------
>
> Key: HADOOP-18028
> URL: https://issues.apache.org/jira/browse/HADOOP-18028
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs/s3
> Reporter: Bhalchandra Pandit
> Assignee: Bhalchandra Pandit
> Priority: Major
> Labels: pull-request-available
> Time Spent: 13h 50m
> Remaining Estimate: 0h
>
> I work for Pinterest. I developed a technique for vastly improving read
> throughput when reading from the S3 file system. It not only helps the
> sequential read case (like reading a SequenceFile) but also significantly
> improves read throughput of a random access case (like reading Parquet). This
> technique has been very useful in significantly improving efficiency of the
> data processing jobs at Pinterest.
>
> I would like to contribute that feature to Apache Hadoop. More details on
> this technique are available in this blog I wrote recently:
> [https://medium.com/pinterest-engineering/improving-efficiency-and-reducing-runtime-using-s3-read-optimization-b31da4b60fa0]
>
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