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        2021-07-20
      
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  | 18:21 | 
  <razzi> | 
  re-enable yarn queues by merging puppet patch https://gerrit.wikimedia.org/r/c/operations/puppet/+/705732 | 
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  | 17:27 | 
  <razzi> | 
  razzi@cumin1001:~$ sudo -i wmf-auto-reimage-host -p T278423 an-master1001.eqiad.wmnet | 
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  | 17:17 | 
  <razzi> | 
  stop all hadoop processes on an-master1001 | 
  [analytics] | 
            
  | 16:52 | 
  <razzi> | 
  starting hadoop processes on an-master1001 since they didn't failover cleanly | 
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  | 16:31 | 
  <razzi> | 
  sudo bash gid_script.bash on an-maseter1001 | 
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  | 16:29 | 
  <razzi> | 
  razzi@alert1001:~$ sudo icinga-downtime -h an-master1001 -d 7200 -r "an-master1001 debian upgrade" | 
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  | 16:25 | 
  <razzi> | 
  razzi@an-master1001:~$ sudo systemctl stop hadoop-mapreduce-historyserver | 
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  | 16:25 | 
  <razzi> | 
  sudo systemctl stop hadoop-hdfs-zkfc.service on an-master1001 again | 
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  | 16:25 | 
  <razzi> | 
  sudo systemctl stop hadoop-yarn-resourcemanager on an-master1001 again | 
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  | 16:23 | 
  <razzi> | 
  sudo systemctl stop hadoop-hdfs-namenode on an-master1001 | 
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  | 16:19 | 
  <razzi> | 
  razzi@an-master1001:~$ sudo systemctl stop hadoop-hdfs-zkfc | 
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  | 16:19 | 
  <razzi> | 
  razzi@an-master1001:~$ sudo systemctl stop hadoop-yarn-resourcemanager | 
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  | 16:18 | 
  <razzi> | 
  sudo systemctl stop hadoop-hdfs-namenode | 
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  | 16:10 | 
  <razzi> | 
  razzi@cumin1001:~$ sudo transfer.py an-master1002.eqiad.wmnet:/home/razzi/hdfs-namenode-snapshot-buster-reimage-$(date --iso-8601).tar.gz stat1004.eqiad.wmnet:/home/razzi/hdfs-namenode-fsimage | 
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  | 16:03 | 
  <razzi> | 
  root@an-master1002:/srv/hadoop/name# tar -czf /home/razzi/hdfs-namenode-snapshot-buster-reimage-$(date --iso-8601).tar.gz current | 
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  | 15:57 | 
  <razzi> | 
  sudo -u hdfs kerberos-run-command hdfs hdfs dfsadmin -saveNamespace | 
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  | 15:52 | 
  <razzi> | 
  sudo -u hdfs kerberos-run-command hdfs hdfs dfsadmin -safemode enter | 
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  | 15:37 | 
  <razzi> | 
  kill yarn applications: for jobId in $(yarn application -list | awk 'NR > 2 { print $1 }'); do yarn application -kill $jobId; done | 
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  | 15:08 | 
  <razzi> | 
  sudo -u yarn kerberos-run-command yarn yarn rmadmin -refreshQueues | 
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  | 14:52 | 
  <razzi> | 
  sudo systemctl stop 'gobblin-*.timer' | 
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  | 14:51 | 
  <razzi> | 
  sudo systemctl stop analytics-reportupdater-logs-rsync.timer | 
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  | 14:47 | 
  <razzi> | 
  Disable jobs on an-launcher1002 (see https://phabricator.wikimedia.org/T278423#7190372) | 
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  | 14:46 | 
  <razzi> | 
  razzi@an-launcher1002:~$ sudo puppet agent --disable 'razzi: upgrade hadoop masters to debian buster' | 
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  | 08:32 | 
  <mforns> | 
  restarted webrequest bundle (messed up a coord when trying to rerun some failed hours) | 
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