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From "Avery Ching (JIRA)" <>
Subject [jira] [Commented] (GIRAPH-389) Multithreading should intelligently allocate the thread pools
Date Tue, 30 Oct 2012 01:06:12 GMT


Avery Ching commented on GIRAPH-389:

Multithreading the loading is quite nice in practice, as least when using HCatalog.  We don't
see the same slowdowns perhaps since we aren't using a shared ZK instance, just the one for
this job.
> Multithreading should intelligently allocate the thread pools
> -------------------------------------------------------------
>                 Key: GIRAPH-389
>                 URL:
>             Project: Giraph
>          Issue Type: Bug
>            Reporter: Avery Ching
>            Assignee: Avery Ching
>             Fix For: 0.2.0
>         Attachments: GIRAPH-389.patch
> Even if the user suggests a very high number of threads, the input split threads should
not exceed the number splits divided by the number of  workers.
> The number of compute threads should not be greater than the number of partitions on
that worker.

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