Thank you, Amareshwari - That helps. Hadn't noticed HistoryViewer before. It has no JavaDoc.
What is a typical usage? In other words, what would be the "outputDir" value in the context of ToolRunner, JobClient, etc. ? Paco On Sun, Jul 27, 2008 at 11:48 PM, Amareshwari Sriramadasu <[EMAIL PROTECTED]> wrote: > Can you have a look at org.apache.hadoop.mapred.HistoryViewer and see if it > make sense? > > Thanks > Amareshwari > > Paco NATHAN wrote: >> >> We have a need to access data found in the JobTracker History link. >> Specifically in the "Analyse This Job" analysis. Must be run in Java, >> between jobs, in the same code which calls ToolRunner and JobClient. >> In essence, we need to collect descriptive statistics about task >> counts and times for map, shuffle, reduce. >> >> After tracing the flow of the JSP in "src/webapps/job"... Is there a >> better way to get at this data, *not* from the web UI perspective but >> from the code? >> >> Tried to find any applicable patterns in JobTracker, ClusterStatus, >> JobClient, etc., but no joy. >> >> Thanks, >> Paco >> > >