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From "Aleksey Shipilev (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-4879) [classlib][nio] epoll-based Selector
Date Tue, 09 Oct 2007 14:36:50 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-4879?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Aleksey Shipilev updated HARMONY-4879:

    Attachment: selectors-epoll-6.patch

Fixed internal key map bugs, wakeup channel handling.

> [classlib][nio] epoll-based Selector
> ------------------------------------
>                 Key: HARMONY-4879
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4879
>             Project: Harmony
>          Issue Type: Improvement
>          Components: Classlib
>         Environment: Linux
>            Reporter: Aleksey Shipilev
>         Attachments: 2000-all.png, 2000-best.png, run.sh, selectnow.java, selectors-epoll-2.patch,
selectors-epoll-3.patch, selectors-epoll-4.patch, selectors-epoll-5.patch, selectors-epoll-6.patch
> As the part of Linux Scalability Project, kernel developers had implemented the epoll()
I/O multiplexing facility (http://lse.sourceforge.net/epoll/index.html), which scales much
better than legacy poll() and select(). Attached patch implements epoll() support for java.nio.channels.Selector,
which can be turned on with option:
> -Djava.nio.channels.spi.SelectorProvider=org.apache.harmony.nio.internal.EpollSelectorProviderImpl

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