slaves file not present on yarn-master

Bug #1453843 reported by Kevin W Monroe on 2015-05-11
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Juju Charms Collection
Juju Big Data Development

Bug Description

Attempting to use /usr/lib/hadoop/sbin/[stop|start] doesn't restart the nodemanagers. This is because we do not have the /etc/hadoop/conf/slaves file on a standalone yarn master. We need to sync this file from hdfs-master to yarn-master on every update.

Alternatively, we can construct the slaves file on the yarn master just like we do for the hdfs master. This is probably a better route since it's possible someone would have a datanode without a nodemanager (which would be an hdfs slave; not a yarn slave), and conversely, a nodemanager without a datanode (which would be a yarn slave; not an hdfs slave).

Changed in charms:
assignee: nobody → Juju Big Data Development (bigdata-dev)
Kevin W Monroe (kwmonroe) wrote :
Changed in charms:
status: New → Fix Committed
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