Thanks for answering.
I run my Hadoop in single node, not cluster mode.
On Thu, Apr 30, 2009 at 11:21 AM, jason hadoop jason.had...@gmail.com wrote:
You need to make sure that the shared library is available on the
tasktracker nodes, either by installing it, or by pushing it around via the
put your .so file in every traker's Hadoop-install/lib/native/Linux-xxx-xx/
Or
In your code,try to do
String oldPath=System.getProperty(java.library.path);
System.setProperty(java.library.path, oldPath==null?
local_path_of_lib_file:oldPath+pathSeparator +local_path_of_lib_file))
Does hadoop now support jni calls in Mappers or Reducers? If yes, how? If
not, I think we should create a jira issue for supporting that.
On 09-4-30 下午4:02, Ian jonhson jonhson@gmail.com wrote:
Thanks for answering.
I run my Hadoop in single node, not cluster mode.
On Thu, Apr
Hi Jason,
when will the full version of your book be available??
On Thu, Apr 30, 2009 at 8:51 AM, jason hadoop jason.had...@gmail.comwrote:
You need to make sure that the shared library is available on the
tasktracker nodes, either by installing it, or by pushing it around via the
2009/4/30 He Yongqiang heyongqi...@software.ict.ac.cn:
put your .so file in every traker's Hadoop-install/lib/native/Linux-xxx-xx/
Or
In your code,try to do
String oldPath=System.getProperty(java.library.path);
System.setProperty(java.library.path, oldPath==null?
You mean that the current hadoop does not support JNI calls, right?
Are there any solution to achieve the calls from C interfaces?
2009/4/30 He Yongqiang heyongqi...@software.ict.ac.cn:
Does hadoop now support jni calls in Mappers or Reducers? If yes, how? If
not, I think we should create a
Dear all,
I wrote a plugin codes for Hadoop, which calls the interfaces
in Cpp-built .so library. The plugin codes are written in java,
so I prepared a JNI class to encapsulate the C interfaces.
The java codes can be executed successfully when I compiled
it and run it standalone. However, it
You need to make sure that the shared library is available on the
tasktracker nodes, either by installing it, or by pushing it around via the
distributed cache
On Wed, Apr 29, 2009 at 8:19 PM, Ian jonhson jonhson@gmail.com wrote:
Dear all,
I wrote a plugin codes for Hadoop, which calls
