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From "Eli Reisman (JIRA)" <>
Subject [jira] [Commented] (GIRAPH-304) Closed channels between workers
Date Mon, 20 Aug 2012 19:37:37 GMT


Eli Reisman commented on GIRAPH-304:

Turns out we get errors now too (see mailing list posting.) This reliability work is great
because we are sharing a cluster with lots of other MR jobs all the time. Looks great!

> Closed channels between workers
> -------------------------------
>                 Key: GIRAPH-304
>                 URL:
>             Project: Giraph
>          Issue Type: Bug
>            Reporter: Alessandro Presta
>            Assignee: Alessandro Presta
>         Attachments: GIRAPH-304.patch
> With GIRAPH-300 we are able to complete jobs with higher numbers of workers thanks to
retrying failed connections. However, we still observe ClosedChannelException with more than
a 100 workers.
> The patch also introduces a default TCP backlog of 100, so we should probably set this
dynamically to equal the number of workers instead.

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