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export GLOG_logtostderr=1

Call Trace

Sometimes you may want to know how the code path comes into a function. In the backend, you can add some logs for GetStackTrace():

VLOG_QUERY << "args: " << your_interested_var << std::endl << GetStackTrace();

Make sure "util/debug-util.h" is included in your file.

In the frontend, you can add some logs for a generated Exception:

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class YourInterestedClass {
  private final static Logger LOG = LoggerFactory.getLogger(YourInterestedClass.class);
  public void yourInterestedFunc() {
    ...
    LOG.info("some message", new Exception("call trace"));
    ...
  }

Existing Hadoop Installations

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• vim
  • https://github.com/Valloric/YouCompleteMe. Smart completion, including understanding C++ code and highlighting errors.
    • Install Vundle by following instructions at https://github.com/VundleVim/Vundle.vim
    • Install the YouCompleteMe Vim plugin with the following steps.
      • Add plugin to .vimrc in the Vundle section: 

        Plugin 'Valloric/YouCompleteMe' 

         

        
        

      • Run
        

        vim +PluginInstall +qall  # from the command line

         

      • Finish compiling YCM with clang support:
        

        cd ~/.vim/bundle/YouCompleteMe
        ./install.sh --clang-completer

  • eclim. Eclipse integration
  • clang_complete (an alternative to YouCompleteMe)
• Eclipse
  • See Eclipse Setup for Impala Development
• NetBeans

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