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https://issues.apache.org/jira/browse/HDDS-4454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17233255#comment-17233255
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Tsz-wo Sze commented on HDDS-4454:
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> ... If the file is small, such as smaller than 4MB ...
For small files, we should support atomic write (i.e. combining createBlock,
writeChunk and putBlock in a single call) so that users could create an object
using a single RPC.
> Ozone Streaming Write Pipeline
> ------------------------------
>
> Key: HDDS-4454
> URL: https://issues.apache.org/jira/browse/HDDS-4454
> Project: Hadoop Distributed Data Store
> Issue Type: New Feature
> Components: Ozone Client, Ozone Datanode
> Reporter: Shashikant Banerjee
> Assignee: Shashikant Banerjee
> Priority: Major
> Attachments: Ozone Write Streaming.pdf,
> image-2020-11-17-09-15-58-880.png
>
>
> https://issues.apache.org/jira/browse/RATIS-979 implements streaming
> semantics in Ratis.
> Currently, ozone write pattern is bursty and involves multiple buffers copies
> as well multiple ratis log syncs in a block write. The idea of the Jira is to
> use a zero buffer copy based ratis streaming in ozone write path for better
> performance and resource utilisation.
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