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From "Akira AJISAKA (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-8642) io.native.lib.available only controls zlib
Date Tue, 14 Jan 2014 12:40:55 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8642?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Akira AJISAKA updated HADOOP-8642:

    Attachment: HADOOP-8642.2.patch

Renewed the patch to pass the failed tests.

> io.native.lib.available only controls zlib
> ------------------------------------------
>                 Key: HADOOP-8642
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8642
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: native
>    Affects Versions: 2.0.0-alpha
>            Reporter: Eli Collins
>            Assignee: Akira AJISAKA
>         Attachments: HADOOP-8642.2.patch, HADOOP-8642.patch
> Per core-default.xml {{io.native.lib.available}} indicates "Should native hadoop libraries,
if present, be used" however it looks like it only affects zlib. Since we always load the
native library this means we may use native libraries even if io.native.lib.available is set
to false.
> Let's make the flag to work as advertised - rather than always load the native hadoop
library we only attempt to load the library (and report that native is available) if this
flag is set. Since io.native.lib.available defaults to true the default behavior should remain
unchanged (except that now we wont actually try to load the library if this flag is disabled).

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