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Kevin W Monroe (kwmonroe) has assigned this bug to you for Juju Charms Collection:
Attempting to use /usr/lib/hadoop/sbin/[stop|start]-yarn.sh 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).
** Affects: charms
Importance: Undecided
Assignee: Juju Big Data Development (bigdata-dev)
Status: New
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slaves file not present on yarn-master
https://bugs.launchpad.net/bugs/1453843
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