= DRBL-Ganglia =

 * http://www.ganglia.info
 * [參考] 
  * [http://debianclusters.cs.uni.edu/index.php/Ganglia:_Host_Configuration Debian Clusters for Education and Research: The Missing Manual : Ganglia]
  * [http://www.ibm.com/developerworks/wikis/display/WikiPtype/ganglia IBM developerWorks : ganglia]
  * [wiki:GPFS_ganglia GPFS & Ganglia] - Installation from Source
  * [wiki:ceasar/ganglia DRBL & Ganglia] - Installation from Source
 * [相關套件]
  * [http://packages.debian.org/gmetad gmetad]
  * [http://packages.debian.org/ganglia-monitor ganglia-monitor]
 * 與 OpenPBS / Torque 相關的軟體
  * ganglia_pbs - ftp://ftp.sara.nl/pub/outgoing/
  * pbs_python - ftp://ftp.sara.nl/pub/outgoing/
 * Ganglia 的歷史資料存放位置
  * 放在 /var/lib/ganglia/rrds 目錄下
 * 必須修改 /opt/drbl/conf/drbl.conf
{{{
#!diff
--- /opt/drbl/conf/drbl.conf.org   2009-07-19 08:50:16.000000000 +0800
+++ /opt/drbl/conf/drbl.conf  2009-09-17 19:20:42.035584726 +0800
@@ -303,7 +303,7 @@
 # nfslock refuse to start...
 # NOTE!!! Do not append "/" in the end of the dir name
 # sax is for SuSE's DRBL firstboot.
-varlib_NOT_2_be_copied="dhcp nfs tftpboot rpm dpkg apt synaptic yum urpmi mysql vmware-server boinc-client/projects"
+varlib_NOT_2_be_copied="dhcp nfs tftpboot rpm dpkg apt synaptic yum urpmi mysql vmware-server boinc-client/projects hadoop ganglia"
 varcache_2_be_copied="debconf sax"
 # For SuSE, we need to copy /var/X11R6 to clients also. How about /var/adm ?
}}}
 * 關於 Ganglia 的架構
  * [[Image(http://www.ibm.com/developerworks/wikis/download/attachments/53871911/ganglia_diagram_smaller.gif,width=400)]]
  * [[Image(http://www.ibm.com/developerworks/wikis/download/attachments/53871911/ganglia_cluster.gif,width=400)]]

 * 修改 ganglia-webfrontend 的預設排序方式
{{{
#!diff
--- get_context.php.org 2010-02-09 00:01:01.000000000 +0800
+++ /usr/share/ganglia-webfrontend/get_context.php      2010-02-09 00:01:40.000000000 +0800
@@ -125,7 +125,7 @@
       $metricname = "$default_metric";

 if (!$sort)
-      $sort = "descending";
+      $sort = "by hostname";

 # 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
}}}