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https://issues.apache.org/jira/browse/RATIS-704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16956842#comment-16956842
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Hadoop QA commented on RATIS-704:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 
16s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  7s{color} 
| {color:red} RATIS-704 does not apply to master. Rebase required? Wrong 
Branch? See https://yetus.apache.org/documentation/0.8.0/precommit-patchnames 
for help. {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=19.03.4 Server=19.03.4 Image:yetus/ratis:date2019-10-22 |
| JIRA Issue | RATIS-704 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12983337/r704_20191018.patch |
| Console output | 
https://builds.apache.org/job/PreCommit-RATIS-Build/1091/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> Invoke sendAsync as soon as OrderedAsync is created
> ---------------------------------------------------
>
>                 Key: RATIS-704
>                 URL: https://issues.apache.org/jira/browse/RATIS-704
>             Project: Ratis
>          Issue Type: Improvement
>          Components: client
>            Reporter: Tsz-wo Sze
>            Assignee: Tsz-wo Sze
>            Priority: Major
>         Attachments: r704_20191009.patch, r704_20191011.patch, 
> r704_20191018.patch
>
>
> In OrderedAsync, the messages are sent asynchronously except for the first 
> message.  The first message is used to establish the connection.  
> OrderedAsync will wait for the first message to complete before sending the 
> following messages.
> Note that, when sending only two messages, the performance of sending the 
> messages asynchronously is degenerated to sending them sequentially 
> [~msingh] has discovered a case that can be optimized: an application may 
> send two or more messages and the first message may take a long time to 
> process.  In this case, we may send a dummy lightweighted message establish 
> the connection, and then send real messages.



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