Tsz Wo Nicholas Sze created HDFS-7230:
-----------------------------------------
Summary: Support rolling downgrade
Key: HDFS-7230
URL: https://issues.apache.org/jira/browse/HDFS-7230
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Tsz Wo Nicholas Sze
Assignee: Tsz Wo Nicholas Sze
HDFS-5535 made a lot of improvement on rolling upgrade. It also added the
cluster downgrade feature. However, the downgrade described in HDFS-5535
requires cluster downtime. In this JIRA, we discuss how to do rolling
downgrade, i.e. downgrade without downtime.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
