Should I call ugi.checkTGTAndReloginFromKeytab() before every action on hadoop?
Hadoop committer here! This is an excellent question. Unfortunately, it’s difficult to give a definitive answer to this without a deep dive into the particular usage patterns of the application. Instead, I can offer general guidelines and describe when Hadoop would handle ticket renewal or re-login from a keytab automatically for you, and when it … Read more