Part answer: you can get the blacklisted tasktrackers using the command
mapred job -list-blacklisted-trackers.
Also, I think that a blacklisted tasktracker becomes 'unblacklisted' if it
works fine after some time. Though I am not very sure about this.
On Wed, Jan 30, 2013 at 9:35 PM, Dhanasekaran Anbalagan
> Hi Guys,
> How to find Blacklisted Nodes via, command line. I want to see job
> Tracker Blacklisted Nodes and hdfs Blacklisted Nodes.
> and also how to clear blacklisted nodes to clear start. The only option to
> restart the service. some other way clear the Blacklisted Nodes.
> please guide me.
> Did I learn something today? If not, I wasted it.