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https://issues.apache.org/jira/browse/RATIS-979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17279277#comment-17279277
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runzhiwang commented on RATIS-979:
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[~szetszwo] Hi, I have one question.

Currently, we use raft to write block metadata in 3 datanodes, if 2 datanodes 
crash, the raft group can not work, the open container also can not be closed. 
So we only allow 1 datanode crash when there are 3 datanodes, not likely hdfs 
allow 2 datanodes crash, am I right ?

> 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, screenshot-1.png, 
> screenshot-2.png
>
>
> In this JIRA, we design and implement Ratis Streaming with zero buffer 
> copying and asynchronous event driven.



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