[jira] [Commented] (GIRAPH-861) Vertex/Edge loading should be distinctive phases

["Maja Kabiljo (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/GIRAPH-861?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13915007#comment-13915007 ] 

Maja Kabiljo commented on GIRAPH-861:
-------------------------------------

Which race condition are you referring to? Adding this barrier can slow down some applications which use both inputs (for example if you have just a few input splits currently other workers will start loading edges while these few load vertices - this way they'll all have to wait doing nothing - I was even thinking about improving this so that we can have vertex and edge input threads at the same time so we wouldn't waste anything).

> Vertex/Edge loading should be distinctive phases
> ------------------------------------------------
>
>                 Key: GIRAPH-861
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-861
>             Project: Giraph
>          Issue Type: Bug
>            Reporter: Avery Ching
>            Assignee: Avery Ching
>         Attachments: GIRAPH-861.patch
>
>
> There could be race conditions with the existing setup (unlikely but possible).



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