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From "Sergey Edunov (JIRA)" <>
Subject [jira] [Commented] (GIRAPH-927) Decouple netty server threads from message processing
Date Fri, 01 Aug 2014 18:03:39 GMT


Sergey Edunov commented on GIRAPH-927:

Awesome! Thank you Craig! 
I'll create new JIRA and submit this patch for CR

> Decouple netty server threads from message processing
> -----------------------------------------------------
>                 Key: GIRAPH-927
>                 URL:
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Sergey Edunov
>         Attachments: GIRAPH-927.patch, async.patch
>   Original Estimate: 168h
>  Remaining Estimate: 168h
> Our profiling shows that a lot of apps are neither CPU nor memory or network bound. Instead
they waste a lot of time waiting for lock in MessageStore. That happens in netty threads.

> We should be able to put messages into queue and then process them in other set of threads.

> It has to be configurable because adding another thread level will introduce additional

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