Re: how to turn on NativeIO.posixFadviseIfPossible

2013-06-24 Thread Jun Li
:* Re: how to turn on NativeIO.posixFadviseIfPossible ** ** Hi Leo, Thanks for the detailed instruction. I started from the clean downloaded hadoop1.1.12 copy and then I issue the command: ant -Dcompile.native=true. And with the configure.ac that comes with the downloaded package, without

RE: how to turn on NativeIO.posixFadviseIfPossible

2013-06-24 Thread Leo Leung
You're welcome. Have fun with hadoop! Regards, Leo From: Jun Li [mailto:jltz922...@gmail.com] Sent: Sunday, June 23, 2013 11:24 PM To: user@hadoop.apache.org Subject: Re: how to turn on NativeIO.posixFadviseIfPossible Hi Leo, Following your instruction on moving the sections

Re: how to turn on NativeIO.posixFadviseIfPossible

2013-06-22 Thread Jun Li
@hadoop.apache.org *Subject:* Re: how to turn on NativeIO.posixFadviseIfPossible ** ** Hi Leo, ** ** Following your instruction, the following is what I got: [junli@mercoop-26 Linux-amd64-64]$ objdump -Tt libhadoop.so | grep -I fadvise 4d70 g F .text006f

how to turn on NativeIO.posixFadviseIfPossible

2013-06-21 Thread Jun Li
Hi, I downloaded the current stable version from the Apache Hadoop web site, hadoop-1.1.2. My machine is an AMD-based machine and Redhat Enterprise 6.1. The detailed Linux kernel version is: 2.6.32-131.0.15.el6.x86_64 I ran the TestNativeIO.java under the distribution directory of

RE: how to turn on NativeIO.posixFadviseIfPossible

2013-06-21 Thread Leo Leung
...@gmail.com] Sent: Friday, June 21, 2013 1:35 AM To: user@hadoop.apache.org Subject: how to turn on NativeIO.posixFadviseIfPossible Hi, I downloaded the current stable version from the Apache Hadoop web site, hadoop-1.1.2. My machine is an AMD-based machine and Redhat Enterprise 6.1. The detailed

RE: how to turn on NativeIO.posixFadviseIfPossible

2013-06-21 Thread Leo Leung
From: Jun Li [mailto:jltz922...@gmail.com] Sent: Friday, June 21, 2013 9:44 AM To: user@hadoop.apache.org Subject: Re: how to turn on NativeIO.posixFadviseIfPossible Hi Leo, Following your instruction, the following is what I got: [junli@mercoop-26 Linux-amd64-64]$ objdump -Tt libhadoop.so