This article from Stack Overflow may be helpful. https://stackoverflow.com/questions/17355270/recovering-black-listed-tasktrackers-in-mapreduce-job   In general a blacklisted node can be brought back online by cleaning up the errors. You will need to look at the task tracker logs to see what was causing the failures. Let me know what happens.   Ron   ... View more

Limit ls to few, I mean hdfs dfs -ls /tmp/hive/hive/14* The directory under is of zero bytes drwx------ - hive hdfs 0 2017-09-04 17:10 /tmp/hive/hive/149e8d6a-ad2a-433e-87be-6cb5b27e2b7b/_tmp_space.db Find out older one and start purging them manually till you get a breather !!!. After that get permission to implement Automatic approach ... View more