= 2012-03-20 =

== Hadoop ==

 * [wiki:jazz/drbl-ganglia 參考 drbl-ganglia 的修改]
 * 將 hadoop.nchc.org.tw 的 Ganglia Web Frontend 改為 by name 方式排序。
   * 版本：3.1.7
{{{
ii  ganglia-monitor                      3.1.7-1+b1                             cluster monitoring toolkit - node daemon
ii  ganglia-webfrontend                  3.1.7-1                                cluster monitoring toolkit - web front-end
ii  libganglia1                          3.1.7-1+b1                             cluster monitoring toolkit - shared libraries
}}}
   * 修改：
{{{
#!diff
--- /usr/share/ganglia-webfrontend/get_context.php.bak	2012-03-20 10:42:36.000000000 +0800
+++ /usr/share/ganglia-webfrontend/get_context.php	2012-03-20 10:15:45.000000000 +0800
@@ -130,7 +130,7 @@
       $metricname = "$default_metric";
 
 if (!$sort)
-      $sort = "descending";
+      $sort = "by name";
 
 # Since cluster context do not have the option to sort "by hosts down" or
 # "by hosts up", therefore change sort order to "descending" if previous
}}}

== Mobile App Economics ==

 * [http://www.businessweekly.com.tw/webarticle.php?id=45843&p=3 小小通訊 App　殺了三大產業金牛]
{{{
通訊軟體的獲利模式還未出現。彭文正解釋，通訊App如要從下載收費，如WhatsApp，
「一個人就○‧九九（美元），但是要服務一輩子哎！」要能獲利，勢必要從別的服務下手。
}}}