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Posted to issues@ratis.apache.org by "runzhiwang (Jira)" <ji...@apache.org> on 2020/11/03 02:32:00 UTC

[jira] [Commented] (RATIS-979) Ratis streaming

    [ https://issues.apache.org/jira/browse/RATIS-979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17225086#comment-17225086 ] 

runzhiwang commented on RATIS-979:
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[~szetszwo] Hi, sorry for disturbing.  I have some question. When ozone use ratis streaming, each block have a data stream ? each file maybe has a lot of data streams ? Currently, ozone will force sync each chunk to disk because each chunk has a raft log, if with ratis streaming, do we no need to force sync each chunk to disk ?  Can we only force sync each block to disk ? thus we can save a lot of small force sync.

> Ratis streaming
> ---------------
>
>                 Key: RATIS-979
>                 URL: https://issues.apache.org/jira/browse/RATIS-979
>             Project: Ratis
>          Issue Type: New Feature
>          Components: Streaming
>            Reporter: Tsz-wo Sze
>            Assignee: Tsz-wo Sze
>            Priority: Major
>         Attachments: RatisStreaming20200929.pdf
>
>
> In this JIRA, we design and implement Ratis Streaming with zero buffer copying and asynchronous event driven.



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