What exactly is the ScodendaryNameNode for HDFS

0-Preface What does HDFS Secondary NameNode do? This is a classic basic interview question, and the interviewer has asked the interviewer many times (and of course many times). From the impression, about half of the interviewees can't answer correctly, and even give the answer "is not NameNode's hobby". In order to save spa ...

Added by samusk on Thu, 09 Sep 2021 19:31:11 +0300