I think there are a couple of projects already looking into UI. did you check them?
On Wed, Feb 1, 2012 at 7:57 AM, tejas <tejas.krishnamoor...@oracle.com>wrote: > Hi > > I am trying to develop a UI and display metrics of mapreduce and HDFS and > also provide some kind of monitoring. > > 1. With version 0.20, I was able to extend the org.apache.JobTrackerPlugin > class by configuring it in the mapred-site.properties. Is it possible to > make a similar configuration in version 0.23? Can i plugin my class to > fetch metrics through JobTrackerPlugin? > I see that some of the classes in JobTracker class have been depricated? > So would i have to plugin to the ResourceManager and the NodeManagers to > get the metrics? Is there any api for that? > > 2. How does hadoop expose traps and events? If i would have to capture > events at unfaourable states (like tracker coming down, datanode going low > on space etc) does Hadoop send out events? How can they be trapped? > > Thanks > > Tejas > -- Regards, R.V.