There isn't a concept of 'blacklist' in HDFS, it exists only in MapReduce (MR1) and YARN.
Dead Nodes (and those that have been excluded) are reported via "hdfs dfsadmin -report" as indicated earlier. On Thu, Jan 31, 2013 at 7:28 PM, Dhanasekaran Anbalagan <bugcy...@gmail.com> wrote: > Hi Hemanth, > > Thanks for spending your valuable time for me. > > This mapred job -list-blacklisted-trackers for find jobtracker level but I > want hdfs level I didn't find any command. [HDFS Blacklisted nodes] Please > guide me. And also to clear blacklisted nodes via command line > > -Dhanasekaran. > > Did I learn something today? If not, I wasted it. > > > On Wed, Jan 30, 2013 at 11:25 PM, Hemanth Yamijala > <yhema...@thoughtworks.com> wrote: >> >> Hi, >> >> Part answer: you can get the blacklisted tasktrackers using the command >> line: >> >> 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. >> >> Thanks >> hemanth >> >> >> On Wed, Jan 30, 2013 at 9:35 PM, Dhanasekaran Anbalagan >> <bugcy...@gmail.com> wrote: >>> >>> 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. >>> >>> -Dhanasekaran. >>> >>> Did I learn something today? If not, I wasted it. >> >> > -- Harsh J
