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From Apache Wiki <wikidi...@apache.org>
Subject [Lucene-hadoop Wiki] Update of "NativeHadoop" by Arun C Murthy
Date Sat, 13 Jan 2007 14:35:01 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Lucene-hadoop Wiki" for change notification.

The following page has been changed by Arun C Murthy:
http://wiki.apache.org/lucene-hadoop/NativeHadoop

------------------------------------------------------------------------------
  ==== Overview ====
  
- Hadoop has native implementations of certain components for reasons of both performace &
non-availability of java-implementations. 
+ Hadoop has native implementations of certain components for reasons of both performace &
non-availability of java-implementations in a ''single'' dynamically linked native-hadoop
library. On the *nix platform it is '''libhadoop.so'''.
  This section describes the usage & details on how to build the native-libraries.
  
  ==== Native Hadoop Libraries ====
@@ -55, +55 @@

        * [http://www.gnu.org/software/autoconf/ autoconf]
        * [http://www.gnu.org/software/automake/ automake]
        * [http://www.gnu.org/software/libtool/ libtool]
-    * [http://www.zlib.net/ zlib-development package]
+    * [http://www.zlib.net/ zlib-development package] (stable version >= 1.2.0)
-    * [http://www.oberhumer.com/opensource/lzo/ lzo-development package]
+    * [http://www.oberhumer.com/opensource/lzo/ lzo-development package] (stable version
>= 2.0)
  
+ '''Notes''': 
- '''Note''': It is '''mandatory''' to have both the zlib and lzo development packages on
the target platform for ''building'' the native-hadoop library; however for deployment it
is sufficient to have install zlib ''or'' lzo if you wish to use only one of them.
+    * It is '''mandatory''' to have both the zlib and lzo development packages on the target
platform for ''building'' the native-hadoop library; however for deployment it is sufficient
to have install zlib ''or'' lzo if you wish to use only one of them.
+    * It is necessary to have the correct 32/64 libraries of both zlib/lzo depending on the
32/64 bit jvm for the target platform for building/deployment of the native-hadoop library.
  

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