Post-Upgrade Steps for Hadoop and YARN
Complete the following steps after you upgrade Hadoop and YARN with or without the Installer.
About this task
- On each node, run
configure.sh
with the-R
option. Include the-TL
option if the timeline server is installed on the cluster. For example:configure.sh -R -HS <hostname> -TL <hostname>
- Optional: Transfer any custom configuration settings into the new default
files in the configuration directory:
New configuration directory:
/opt/mapr/hadoop/hadoop-<version>/etc/hadoop/
Backup configuration directory:
/opt/mapr/hadoop/hadoop-<timestampversion>/etc/hadoop/
In the backup configuration directory, <timestampversion>
is the
version from packages that were installed before the upgrade. For example:
2.7.4.100.202101211026
.