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From "JongYoon Lim (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-975) Improvement of Async RPC
Date Fri, 11 Mar 2016 03:46:40 GMT

    [ https://issues.apache.org/jira/browse/HAMA-975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15190436#comment-15190436
] 

JongYoon Lim commented on HAMA-975:
-----------------------------------

Thank you. I'll start from no.2(using epoll). 

> Improvement of Async RPC
> ------------------------
>
>                 Key: HAMA-975
>                 URL: https://issues.apache.org/jira/browse/HAMA-975
>             Project: Hama
>          Issue Type: Improvement
>          Components: bsp core
>            Reporter: JongYoon Lim
>            Assignee: JongYoon Lim
>
> Hama has a feature of async IPC. 
> I found some points which have possibility to be improved as below.
> 1. Add netty encoder and decoder to lighten a load of the handler.
> 2. Consider using native transport, EpollEventLoopGroup instead of NioEventLoopGroup.

> 3. Using pooled buffer. 
> 4. Using ctx.* instead of channel.* 
> 5. Find and remove blocking codes. 
> 6. Async-fashioned RPC response 
> Also we can consider compress or json-style marshalling(unmarshalling). 
> But I'm not sure these changes always result in improvement of the performance.. so benchmark
should be provided to prove the improvement. 
> I'd like to divide this issue to small sub tasks. 
> WDYT? 



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