Myounghoon Kim MyounghoonKim

MyounghoonKim / all_log.sh

Created April 24, 2018 09:58

monitor emr hadoop steps log

	#!/bin/bash

	target="/var/log/hadoop/steps"

	while true
	do
	touch $target/lastwatch
	sleep 1
	find -cnewer $target/lastwatch -exec tail -1 {} \;
	done

MyounghoonKim / user.rb

Last active December 28, 2015 04:39

CRUD action on embedded document on MongoMapper

	# User embeds Other and Other embeds Shops.

	require 'mongo_mapper'

	class User
	include MongoMapper::Document

	key :email, String, :required => true
	one :other
	end