Hi everybody, today we configured Hadoop Yarn to store its application/jobs data (called rmstore) from Zookeeper to HDFS. We are going to remove a lot of data from our Zookeeper cluster in eqiad (several thousands of znodes), hopefully increasing its reliability (it is shared with all the Kafka clusters at the moment). This change should be totally transparent for you, but please let us know in https://phabricator.wikimedia.org/T216952 if anything looks weird/different during the next hours/days.
Thanks! Luca
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