Analytics/Server Admin Log

2022-09-23

 * 19:11 mforns: deployed Airflow analytics for a quick fix

2022-09-22

 * 22:26 joal: Kill oozie cassandra monthly loading jobs as we migrate them to airflow
 * 22:20 joal: Deploy airflow for cassandra-loading patch
 * 20:53 joal: Deploy analytics airflow-dags to try to fix cassandra loading jobs

2022-09-21

 * 19:25 joal: Kill oozie daily cassandra loading jobs as we move them to airflow
 * 19:18 ottomata: kill aarora process 30421 run_embedding_training.sh on stat1005
 * 19:13 joal: Deployed refinery for HQL patch (Njideka)
 * 19:11 ottomata: kill aarora process 14584 on stat1005 - using 2500% cpu

2022-09-20

 * 20:10 mforns: finished refinery deployment (weekly train)
 * 19:55 mforns: starting refinery deployment (weekly train)
 * 15:45 joal: kill oozie hourly cassandra loading job (1 job) in favor of the airflow one

2022-09-19

 * 22:28 milimetric: Wikistats: improved build a little and deployed fix to T312717

2022-09-15

 * 08:43 aqu: about to deploy analytics/refinery
 * 05:14 aqu: sudo -u analytics kerberos-run-command analytics refine_eventlogging_legacy --table_include_regex='wikipediaportal' --since='2022-09-13T23:00:00.000Z' --until='2022-09-15T00:00:00.000Z'

2022-09-14

 * 17:11 aqu: Sep 14 15:23:34 UTC sudo systemctl start check_webrequest_partitions.service
 * 12:56 aqu: ~1hago sudo systemctl start refinery-sqoop-mediawiki-production-daily.service ; sudo systemctl start refinery-import-siteinfo-dumps.service ; sudo systemctl start refinery-import-page-current-dumps.service ; sudo systemctl start refinery-import-page-history-dumps.service
 * 11:34 btullis: remounted all remaining /mnt/hdfs mount points, except stat1005 which is busy
 * 11:12 btullis: remounted /mnt/hdfs on an-coord100[1-2]
 * 11:09 btullis: remounted /mnt/hdfs on an-airflow1001
 * 09:14 joal: Restart oozie virtualpageview job
 * 09:10 btullis: re-mounted /mnt/hdfs on an-launcher1002.
 * 07:11 joal: restart webrequest oozie bundle

2022-09-13

 * 17:22 joal: rerun refine_eventloggin_legacy
 * 17:14 joal: rerun refine_event
 * 17:14 joal: rerun refine_netflow
 * 16:53 joal: Rerun refine_eventlogging_analytics
 * 16:45 joal: Kill-rerun suspended oozie jobs (virtual-pagview and predictions-actor
 * 16:34 joal: rerun failed webrequest oozie jobs
 * 16:30 btullis: restarting hive-server2 and hive-metastore on an-coord1001 (currently standby)
 * 16:29 btullis: restarting oozie on an-coord1001
 * 16:10 joal: Rerun failed oozie webrequest jobs
 * 15:57 btullis: rolling out updated hadoop packages to an-airflow1003
 * 15:55 btullis: rolling out upgraded hadoop client packages to stat servers.
 * 15:51 btullis: restarting eventlogging_to_druid_network_flows_internal_hourly.service eventlogging_to_druid_prefupdate_hourly.service refine_event_sanitized_analytics_immediate.service refine_event_sanitized_main_immediate.service
 * 15:49 btullis: restarting eventlogging_to_druid_navigationtiming_hourly.service on an-launcher1002
 * 15:46 btullis: restarting eventlogging_to_druid_editattemptstep_hourly.service on an-launcher1002
 * 15:44 btullis: cancel that last message. Upgrading hadoop packages on an-launcher instead. They were inadvertently omitted last time.
 * 15:39 btullis: Going to downgrade hadoop on ann hadoop-worker nodes to 2.10.1
 * 15:21 btullis: failed over hive to an-coord1002 via DNS https://gerrit.wikimedia.org/r/c/operations/dns/+/831906
 * 15:20 btullis: restarted yarn service on an-master1002 to make the active host an-master1001 again.
 * 15:11 btullis: restart hive-server2 and hive-metastore service on an-coord1002 to pick up new version of hadoop
 * 14:55 btullis: rolling out updated hadoop packages to analytics-airflow (cumin alias) hosts
 * 14:42 btullis: sudo systemctl restart analytics-reportupdater-logs-rsync.service on an-launcher1002
 * 13:21 joal: Manual launch of refinery-drop-mediawiki-snapshots with new tables in patch https://gerrit.wikimedia.org/r/831866
 * 10:51 btullis: attempting failback operation on hadoop namenodes
 * 09:42 btullis: roll-restarting the hadoop masters via the cookbook

2022-09-12

 * 08:37 btullis: cold-reset BMC device on analytics1073

2022-09-08

 * 17:32 joal: make ops reboot stat1008

2022-09-07

 * 13:36 joal: rerun failed airflow tasks

2022-09-06

 * 22:18 milimetric: restarted webrequest druid daily and hourly jobs
 * 22:18 milimetric: restarted referrer daily coordinator
 * 22:18 milimetric: restarted webrequest load bundle
 * 21:57 milimetric: finished cleaning up bad state and re-deploying refinery
 * 21:45 milimetric: cleared logs earlier than September 1st from an-launcher1002:/srv/airflow-analytics/logs/scheduler
 * 18:49 milimetric: finished refinery-source 0.2.6 deploy, waiting 5 minutes and starting refinery deploy
 * 18:28 milimetric: weekly deployment train starting
 * 09:55 btullis: merged and deployed https://gerrit.wikimedia.org/r/c/operations/puppet/+/821695

2022-09-04

 * 12:49 elukey: pkill remaining processes of user effeietsanders on stat1008 to unblock puppet

2022-09-02

 * 08:25 joal: Restart mediawiki_history_denormalize job manually

2022-08-30

 * 17:49 joal: Deploying refinery onto HDFS
 * 17:11 joal: deploy refinery using scap
 * 17:11 joal: release refinery-source v0.2.5 to archiva

2022-08-29

 * 16:44 mforns: killed mediawiki-history-dumps oozie after migration to airflow
 * 08:04 joal: Rerun refine_eventlogging_legacy failed hours
 * 07:54 joal: rerun pageview-hourly-wf-2022-8-28-15 oozie workflow

2022-08-22

 * 16:25 btullis: btullis@an-airflow1004:~$ sudo systemctl reset-failed ifup@ens13.service

2022-08-19

 * 08:45 btullis: restarted archiva to pick up new JRE

2022-08-18

 * 19:57 ottomata: apply yarn production queue changes to allow analytics-research and analytics-platform-eng users to submit jobs to production queue - T312858
 * 14:04 btullis: re-running refine_eventlogging_legacy for helppanel
 * 09:51 btullis: restarted monitor-refine-event on an-launcher1002

2022-08-17

 * 13:19 mforns: deployed airflow for https://gitlab.wikimedia.org/repos/data-engineering/airflow-dags/-/merge_requests/117

2022-08-16

 * 18:49 ottomata: complete refinery deploy that was unfinished from last week. an-launcher1002 and hdfs already have this version (6e47e0e712528c8816b7fd7456b8745e4dbc5c72) deployed.
 * 16:02 btullis: deploying airflow-dags

2022-08-15

 * 19:26 ottomata: test

2022-08-10

 * 18:04 ottomata: Deployed refinery using scap, then deployed onto hdfs
 * 17:03 ottomata: stopping puppet and drop data timers on an-launcher1002 and an-test-coord1001 to deploy drop script changes - T270433
 * 13:42 btullis: failed hive back to an-coord1001 via DNS change.
 * 11:47 btullis: btullis@an-coord1001:~$ sudo systemctl restart hive-server2.service hive-metastore.service

2022-08-08

 * 11:43 btullis: rebooting an-worker1102 due to kernel soft lockups

2022-08-05

 * 16:05 milimetric: force scap deploying refinery
 * 16:01 ottomata: removing airflow logs older than 7 days on an-launcher1002

2022-08-04

 * 18:31 ottomata: dropping medawiki_web_ui_interactions hive tables and data - T314151
 * 18:19 milimetric: scap deploying refinery host by host after Ben cleaned up the repos with "git checkout master"
 * 18:11 btullis: btullis@deploy1002:/srv/deployment/analytics/refinery$ scap deploy -l stat1008.eqiad.wmnet "Regular analytics weekly train [analytics/refinery@$(git rev-parse --short HEAD)]"
 * 18:05 btullis: we are re-deploying refinery to an-launcher1002 with the command above
 * 18:04 btullis: btullis@deploy1002:/srv/deployment/analytics/refinery$ scap deploy -l an-launcher1002.eqiad.wmnet "Regular analytics weekly train [analytics/refinery@$(git rev-parse --short HEAD)]"
 * 18:02 btullis: analytics-deploy@an-launcher1002:/srv/deployment/analytics/refinery$ git checkout master
 * 15:59 SandraEbele: Deploying analytics refinery using scap.

2022-08-02

 * 12:54 btullis: sudo systemctl reset-failed on stat1008 to remove failed debmonitor alerts

2022-07-28

 * 20:05 SandraEbele: killing Oozie projectview-hourly and projectview-geo jobs to deploy corresponding jobs on airflow.

2022-07-24

 * 21:10 btullis: swapping disks on archiva1002
 * 20:36 btullis: rebooting archiva1002 to pick up new disk
 * 15:36 btullis: btullis@ganeti1027:~$ sudo gnt-instance modify --disk add:size=200g archiva1002.wikimedia.org

2022-07-22

 * 21:19 ottomata: restarted airflow-scheduler@platform_eng on an-airflow1003 for marco and cormac

2022-07-19

 * 10:05 elukey: reboot an-worker1127 - hdfs datanode caused CPU stalls

2022-07-13

 * 14:19 aqu: Deployed refinery using scap, then deployed onto hdfs (prod + test)
 * 06:16 aqu: analytics/refinery deployment

2022-07-07

 * 13:38 btullis: restart refine_eventlogging_legacy_test.service on an-test-coord1001
 * 09:56 btullis: restarted oozie on an-test-coord1001
 * 09:23 btullis: rebooted dbstore1007
 * 09:21 btullis: rebooted dbstore1005
 * 09:02 btullis: restarting dbstore1003 as per announced maintenance window

2022-07-06

 * 18:09 ottomata: enabling iceberg hive catalog connector on analytics_cluster presto
 * 17:57 ottomata: upgrading presto to 0.273.3 in analytics cluster - T311525
 * 09:50 btullis: roll-restarting hadoop workers on the test cluster.
 * 09:46 btullis: restarting refinery-drop-webrequest-raw-partitions.service on an-test-coord1001
 * 09:44 btullis: restarting refinery-drop-webrequest-refined-partitions.service on an-test-coord1001
 * 09:42 btullis: restarted drop_event.service on an-test-coord1001
 * 09:35 btullis: restarting hive-server2 and hive-metastore on an-test-coord1001

2022-07-05

 * 11:01 btullis: sudo cookbook sre.hadoop.roll-restart-masters test

2022-07-04

 * 16:14 btullis: systemctl restart airflow-scheduler@research.service (on an-airflow1002)
 * 08:04 elukey: kill leftover processes of user `mewoph` on stat100x to allow puppet runs

2022-06-29

 * 17:27 mforns: killed mediawiki-history-load bundle in Hue, and started corresponding mediawiki_history_load DAG in Airflow
 * 13:12 mforns: re-deployed refinery with scap and refinery-deploy-to-hdfs
 * 11:51 btullis: btullis@an-master1001:~$ sudo -u hdfs /usr/bin/hdfs haadmin -failover an-master1002-eqiad-wmnet an-master1001-eqiad-wmnet

2022-06-28

 * 20:57 mforns: refinery deploy failed and I rolled back successfully, will try and repeat tomorrow when other people are present :]
 * 20:19 mforns: starting refinery deployment for refinery-source v0.2.2
 * 20:19 mforns: starting refinery deploymenty
 * 17:25 ottomata: installing presto 0.273.3 on an-test-coord1001 and an-test-presto1001
 * 12:48 milimetric: deploying airflow-dags/analytics to work on the metadata ingestion jobs

2022-06-27

 * 20:33 btullis: systemctl reset-failed jupyter-aarora-singleuser and jupyter-seddon-singleuser on stat1005
 * 20:16 btullis: checking and restarting prometheus-mysqld-exporter on an-coord1001
 * 15:25 btullis: upgraded conda-base-env on an-test-client1001 from 0.0.1 to 0.0.4

2022-06-24

 * 15:14 ottomata: backfilled eventlogging data lost during failed gobblin job - T311263

2022-06-23

 * 13:48 btullis: started the namenode service on an-master1001 after failback failure
 * 13:41 btullis: The failback didn't work again.
 * 13:39 btullis: attempting failback of namenode service from an-master1002 to an-master1001
 * 13:07 btullis: restarted hadoop-hdfs-namenode service on an-master1001
 * 11:25 joal: kill oozie mediawiki-geoeditors-monthly-coord in favor of airflow job
 * 08:52 joal: Deploy airflow

2022-06-22

 * 20:55 aqu: `scap deploy -f analytics/refinery` because of a crash during `git-fat pull`
 * 19:30 aqu: Deploying analytics/refinery

2022-06-21

 * 14:56 aqu: RefineSanitize from an-launcher1002: sudo -u analytics kerberos-run-command analytics spark2-submit --class org.wikimedia.analytics.refinery.job.refine.RefineSanitize --master yarn --deploy-mode client /srv/deployment/analytics/refinery/artifacts/org/wikimedia/analytics/refinery/refinery-job-0.1.15.jar  --config_file         /home/aqu/refine.properties  --since               "2022-06-19T09:52:00+0000"  --until
 * 13:33 aqu: sudo systemctl start monitor_refine_event_sanitized_main_immediate.service on an-launcher1002
 * 10:47 btullis: proceeding with the hadoop.roll-restart-masters cookbook

2022-06-20

 * 07:14 SandraEbele: Started Airflow 3 Wikidata metrics jobs (Articleplaceholder, Reliability and SpecialEntityData metrics).
 * 07:12 SandraEbele: Started Airflow3 Wikidata metrics jobs (Articleplaceholder, Relia)
 * 07:11 SandraEbele: killed Oozie wikidata-articleplaceholder_metrics-coord, wikidata-reliability_metrics-coord, and wikidata-specialentitydata_metrics-coord jobs.

2022-06-17

 * 12:35 SandraEbele: deployed daily airflow dag for 3 Wikidata metrics.
 * 08:36 btullis: power cycled an-worker1109 as it was stuck with CPU soft lockups

2022-06-16

 * 06:49 joal: Rerun webrequest-load-wf-upload-2022-6-15-22 after weird oozie failure

2022-06-15

 * 14:48 btullis: deploying datahub 0.8.38

2022-06-14

 * 10:48 joal: unpause renamed dags
 * 10:44 joal: Deploy Airflow
 * 10:12 btullis: manually failing back hdfs-namenode to an-master1001 after fixing typo
 * 09:36 joal: deploy refinery onto HDFS
 * 08:48 btullis: roll-restarting hadoop masters T310293
 * 08:40 joal: Deploying using scap again after failure cleanup on an-launcher1002
 * 07:45 joal: deploy refinery using scap

2022-06-13

 * 14:00 btullis: restarting presto service on an-coord1001
 * 13:20 btullis: btullis@datahubsearch1001:~$ sudo systemctl reset-failed ifup@ens13.service T273026
 * 13:09 btullis: restarting oozie service on an-coord1001
 * 12:59 btullis: havaing failed over hive to an-coord1002 10 minutes ago, I'm restarting hive services on an-coord1001
 * 12:26 btullis: restarting hive-server2 and hive-metastore on an-coord1002
 * 09:54 joal: rerun failed refine for network_flows_internal
 * 09:54 joal: Rerun failed refine for mediawiki_talk_page_edit events
 * 09:51 joal: Manually rerun webrequest_text laod for hour 2022-06-13T03:00
 * 07:18 joal: Manually rerun webrequest_text laod for hour 2022-06-12T08:00

2022-06-10

 * 17:00 ottomata: applied change to airflow instances to bump scheduler parsing_processes = # of cpu processors
 * 08:58 btullis: cookbook sre.hadoop.roll-restart-workers analytics

2022-06-09

 * 17:17 joal: Rerun refine for failed datasets
 * 14:15 btullis: manually failing back HDFS namenode from an-master1002 to an-master1001
 * 13:15 btullis: roll-restarting the hadoop masters to pick up new JRE

2022-06-08

 * 18:06 joal: Restart airflow after deploy for dag reprocessing
 * 18:02 joal: deploying Airflow dags
 * 13:45 btullis: deploying refinery

2022-06-07

 * 13:45 btullis: deploying updated eventgate images to all remaining deployments.
 * 11:33 btullis: deployed an updated version of eventgate to eventgate-analytics-external to address the timing mis-calculation.
 * 10:51 btullis: restart the eventlogging_to_druid_netflow-sanitization_daily service on an-launcher1002

2022-06-06

 * 13:45 btullis: restarting archiva service for new JRE
 * 06:31 elukey: restart memcached on an-tool1005 to pick up puppet settings and clear an alert in icinga

2022-06-05

 * 03:14 milimetric: rerunning mw history since the last failure just looked like a fluke

2022-06-04

 * 11:41 joal: Maunally launch refinery-sqoop-mediawiki-production after manual fix of refinery-sqoop-mediawiki
 * 11:39 joal: Manually sqoop enwiki:user and commonswiki:user and add _SUCCESS flag for following job to kick off

2022-06-02

 * 15:50 mforns: deployed wikistats 2.9.5
 * 14:02 joal: Start browser_general_daily on airflow
 * 13:19 joal: Drop and recreate wmf_raw.mediawiki_page table (field removal)
 * 12:44 joal: Remove wrongly formatted interlanguage data
 * 12:36 joal: Kill interlanguage-daily oozie job after successfull move to airflow
 * 12:15 joal: Deploy interlanguage fix to airflow
 * 09:56 joal: Relaunch sqoop after having deployed a corrective patch
 * 09:46 joal: Manually mark interlaguage historical tasks failed in airflow
 * 08:54 joal: Deploy airflow with spark3 jobs
 * 08:47 joal: Merging 2 airflow spark3 jobs now that their refinery counterpart is dpeloyed
 * 08:07 joal: Deploy refinery onto HDFS
 * 07:26 joal: Deploy refinery using scap

2022-06-01

 * 21:04 milimetric: trying to rerun sqoop from a screen on an-launcher
 * 20:09 SandraEbele: Successfully deployed refinery using scap, then deployed onto hdfs.
 * 18:51 SandraEbele: About to deploy analytics/refinery (regular weekly train)
 * 08:39 elukey: powercycle an-worker1094 - OEM event registered in `racadm getsel`, host frozen

2022-05-31

 * 18:48 ottomata: sudo -u hdfs hdfs dfsadmin -safemode leave on an-master1001
 * 18:12 ottomata: sudo service hadoop-hdfs-namenode start on an-master1002
 * 18:10 ottomata: sudo -u hdfs hdfs dfsadmin -safemode enter
 * 17:47 btullis: starting namenode services on am-master1001
 * 17:44 btullis: restarting the datanodes on all five of the affected hadoop workers.
 * 17:43 btullis: restarting journalnode service on each of the five hadoop workers with journals.
 * 17:41 btullis: resizing each journalnode with resize2fs
 * 17:38 btullis: sudo lvresize -L+20G analytics1069-vg/journalnode
 * 17:38 btullis: increasing each of the hadoop journalnodes by 20 GB
 * 17:33 ottomata: stop journalnodes and datanodes on 5 hadoop journalnode hosts
 * 17:30 btullis: stopped the hdfs-namenode service on an-master100[1-2]
 * 15:36 milimetric: dropped razzi databases and deleted HDFS directories (in trash)
 * 06:26 elukey: `elukey@an-master1001:~$ sudo systemctl reset-failed hadoop-clean-fairscheduler-event-logs.service`

2022-05-30

 * 20:19 SandraEbele: Restarted oozie job pageview-druid-daily-coord
 * 11:28 joal: deploy airflow spark3 aqs_hourly

2022-05-25

 * 21:09 joal: Resume aqs_hourly job in airflow test
 * 20:33 joal: Pausing aqs_hourly job in airflow test intil we fix the spark3 issue
 * 06:20 elukey: `elukey@an-tool1011:~$ sudo systemctl reset-failed ifup@ens13.service` - T273026

2022-05-24

 * 19:54 SandraEbele: Deployed refinery using scap, then deployed onto hdfs successfully.
 * 18:34 SandraEbele: Deploying refinery, regular weekly deployment
 * 13:18 joal: Release refinery-source v0.2.0 to archiva
 * 10:21 btullis: restarted hadoop-yarn-nodemanager on an-worker1139

2022-05-23

 * 18:27 mforns: killed mobile_apps-session_metrics-coord (Airflow job is taking over)

2022-05-21

 * 15:52 joal: Kill yarn app application_1651744501826_83884 in order to prevent the HDFS alerts

2022-05-19

 * 16:59 ottomata: deploying airflow-dags analytics with new artifact names, first clearing artifacts cache dir - T307115

2022-05-18

 * 10:57 btullis: upgrading datahub to version 0.8.34

2022-05-17

 * 21:32 razzi: sudo systemctl reset-failed ifup@ens13.service on an-tool1007
 * 08:54 btullis: booted an-tool1007 from network to begin buster upgrade

2022-05-12

 * 14:49 razzi: undo the 2 previous confctl changes to repool dbproxy1019 to wikireplicas-b only
 * 14:35 razzi: razzi@cumin1001:~$ sudo confctl select service=wikireplicas-a,name=dbproxy1019.eqiad.wmnet set/pooled=yes # for T298940

2022-05-11

 * 18:20 razzi: disregard the above log; wrote out the command but then saw there was a warning for cr2-eqiad
 * 18:15 razzi: razzi@lvs1019:~$ systemctl stop pybal.service to apply change https://gerrit.wikimedia.org/r/c/operations/puppet/+/779915
 * 18:06 razzi: razzi@lvs1020:~$ systemctl stop pybal.service to apply change https://gerrit.wikimedia.org/r/c/operations/puppet/+/779915
 * 13:29 mforns: restarted oozie jobs after deployment: mediarequest_top_files, pageview_top_articles, unique_devices_per_domain_monthly, unique_devices_per_project_family_monthly

2022-05-10

 * 20:32 mforns: finished refinery deploy (regular weekly train)
 * 19:34 mforns: starting refinery deploy (regular weekly train)

2022-05-09

 * 15:06 SandraEbele: killed ‘apis-coord' oozie job and started corresponding airflow job ‘apis_metrics_to_graphite’

2022-05-06

 * 09:11 joal: kill cassandra-monthly-wf-local_group_default_T_mediarequest_top_files-2022-4 again
 * 08:44 joal: Rerun cassandra-monthly-wf-local_group_default_T_mediarequest_top_files-2022-4 with SRE watching network
 * 08:29 joal: kill cassandra-monthly-wf-local_group_default_T_mediarequest_top_files-2022-4 as it was probably saturating network

2022-05-05

 * 18:53 btullis: restarting airflow-scheduler@platform_eng.service on an-airflow1003
 * 18:53 btullis: restarted airflow-scheduler@research.service on an-airflow1002
 * 18:49 btullis: restarting airflow-scheduler@analytics service on an-launcher1002
 * 12:26 aqu: Regular analytics weekly train [analytics/refinery@cc4b2bd]
 * 09:53 btullis: roll-restarting hadoop masters to pick up new heap size
 * 09:16 btullis: re-enabling gobblin jobs now
 * 09:15 btullis: restarting failed eventlogging_to_druid_ services on an-launcher1002
 * 09:00 btullis: restarting an-coord1001
 * 08:53 btullis: stopping oozie on an-coord1001

2022-05-04

 * 08:47 btullis: rebooting an-coord1002 to pick up new kernel

2022-05-03

 * 18:24 razzi: remove /etc/apache2/sites-available/50-superset-wikimedia-org.conf from an-tool1005 (superset staging) since it was removed from puppet but has no ensure: absent

2022-04-27

 * 19:37 ottomata: restarting airflow services on all airflow instances after installing updated airflow debian package

2022-04-26

 * 19:02 aqu: About to deploy analytics/refinery: Weekly deployment train + Artifacts to 0.1.27
 * 12:02 joal: Rerun cassandra-daily-wf-local_group_default_T_mediarequest_per_file-2022-4-23

2022-04-25

 * 20:09 ottomata: dropping event.ios_notification_interaction hive table and data for backwards incompatible schema change in T290920
 * 11:51 btullis: failing back hdfs active role to an-master1001
 * 11:49 btullis: restarted hadoop-yarn-resourcemanager on an-master1002 to force the active role back to an-master1001
 * 11:01 btullis: rebooting an-master1001
 * 10:25 btullis: restarting the `check_webrequest_partitions` service on an-launcher1002
 * 09:39 btullis: failover to an-master1002 successful at 3rd attempt
 * 09:30 btullis: 2nd attempt to switch HDFS services to an-master1002
 * 09:13 btullis: switching HDFS services to an-master1002
 * 08:53 btullis: rebooting an-master1002 - T304938

2022-04-23

 * 09:38 elukey: `apt-get clean` on an-airflow1001 to free some space

2022-04-21

 * 22:26 mforns: killed browser_general oozie job and started corresponding airflow job

2022-04-13

 * 16:40 razzi: reboot an-launcher1002 for security updates

2022-04-12

 * 22:12 milimetric: deployed and synced refinery-source 0.1.26 to hdfs

2022-04-11

 * 12:35 aqu: About to deploy analytics/refinery "Migrate mediarequest hourly from Oozie to Airflow" (replace previous msg)
 * 12:35 aqu: About to deploy refinery/source "Migrate mediarequest hourly from Oozie to Airflow"

2022-04-06

 * 20:53 razzi: roll restart aqs to deploy new mediawiki history snapshot
 * 15:51 mforns: deployed airflow to analytics (big refactor)
 * 15:23 mforns: deployed Airflow to analytics_test (big refactor)
 * 09:18 btullis: restarted eventlogging_to_druid_netflow_hourly on an-launcher1002

2022-04-05

 * 20:41 razzi: deploying refinery for https://gerrit.wikimedia.org/r/c/analytics/refinery/+/776269/
 * 15:54 razzi: razzi@cumin1001:~$ sudo cookbook sre.hosts.reimage --os bullseye -t T299481 dbstore1005
 * 15:10 razzi: razzi@cumin1001:~$ sudo cookbook sre.hosts.reimage --os bullseye -t T299481 dbstore1003
 * 15:02 razzi: set dbstore1003.eqiad.wmnet to downtime for upgrade T299481
 * 15:01 razzi: set dbstore1003.eqiad.wmnet to downtime for upgrade

2022-04-01

 * 09:05 btullis: restarted varnishkafka-eventlogging.service on cp3050 T300246

2022-03-29

 * 20:08 joal: rerun cassandra editors_bycountry_monthly for month 2022-02
 * 20:08 mforns: restarted webrequest bundle
 * 19:57 mforns: restarted mediawiki-geoeditors-public_monthly-coord
 * 19:56 mforns: finished refinery deployment (regular weekly train) scap and hdfs
 * 19:53 joal: Add new columns to wmf.webrequest (high entropy CH-UA)
 * 19:16 joal: Drop/recreate wmf_raw.webrequest for schema change (high-entropy CH-UA)
 * 19:13 mforns: starting refinery deployment (regular weekly train)
 * 19:11 joal: kill webrequest-load oozie bundle for webrequest schema change
 * 17:13 razzi: razzi@cumin1001:~$ sudo cookbook sre.hosts.downtime an-tool1005.eqiad.wmnet -D 1 -r 'Testing deploy of superset 1.4.2 to staging'
 * 15:38 ntsako: Stopped geoeditor Airflow DAGs to check on data quality
 * 14:13 btullis: correction: restarted hadoop-yarn-nodemanager.service on an-worker1128
 * 14:13 btullis: restarted hadoop-yarn-nodemanager.service on an-worker1238

2022-03-24

 * 11:15 btullis: roll-restarting kafka-jumbo brokers T300626

2022-03-21

 * 18:10 razzi: sudo systemctl restart jupyter-bearloga-singleuser on stat1008

2022-03-17

 * 17:10 ottomata: restart webrequest and pageview_actor data purge - https://gerrit.wikimedia.org/r/c/operations/puppet/+/771389
 * 14:07 btullis: shutdown analytics1063 and analytics1067 with 120 minutes of downtime T303151
 * 06:46 elukey: kill remaining hanging processes for ppche*lko and accra*ze on an-test-client1001 to allow users offboard (puppet broken)

2022-03-16

 * 19:14 ottomata: deploying refinery to hadoop-test cluster with new gobblin-wmf-core jar
 * 18:00 razzi: sudo cookbook sre.hosts.downtime -D 3 -r 'Setting up karapace for the first time' karapace1001.eqiad.wmnet
 * 17:57 btullis: restarted mediawiki-history-drop-snapshot service on an-launcher1002
 * 16:03 aqu: analytics/refinery - scap deply "Migrate session_length/daily from Oozie to Airflow"
 * 10:26 btullis: rerunning failed mediawiki_structured_task_article_link_suggestion_interaction refnie job

2022-03-15

 * 22:16 razzi: upload karapace_2.1.3-py3.7-1_amd64.deb to apt.wikimedia.org
 * 19:58 razzi: upload karapace_2.1.3-py3.7-0_amd64.deb to apt.wikimedia.org
 * 17:24 ottomata: also change stats uid and gid to 918 on an-web1001 - T291384
 * 14:35 ottomata: change stats uid and gid on all stat boxes to 918 - T291384
 * 13:59 ottomata: roll restarting kafka jumbo brokers to set max.incremental.fetch.session.cache.slots=2000 - T303324

2022-03-14

 * 21:05 razzi: `sudo kill -9 15674` to stop unresponsive hive query

2022-03-09

 * 21:05 ottomata: fix group ownership of cchen.db/new_editors/cohort=2021-12 after reverting T291664 - sudo -u hdfs kerberos-run-command hdfs hdfs dfs -chgrp -R analytics-privatedata-users /user/hive/warehouse/cchen.db/new_editors/cohort=2021-12
 * 18:33 ottomata: fix group ownership of wmf_product.db//new_editors/cohort=2021-12 after reverting T291664 - sudo -u hdfs kerberos-run-command hdfs hdfs dfs -chgrp -R analytics-privatedata-users /user/hive/warehouse/wmf_product.db/new_editors/cohort=2021-12
 * 18:32 ottomata: fix group ownership of wmf_product.db/global_markets_pageviews/year=2022/month=2 after reverting T291664 - sudo -u hdfs kerberos-run-command hdfs hdfs dfs -chgrp -R analytics-privatedata-users /user/hive/warehouse/wmf_product.db/global_markets_pageviews/year=2022/month=2
 * 18:19 btullis: btullis@ganeti1024:~$ sudo gnt-instance start karapace1001.eqiad.wmnet (T301562)
 * 16:16 ottomata: fix group ownership of wmf_product.db/poageviews_corrected/year=222/month=2 after reverting T291664 - sudo -u hdfs kerberos-run-command hdfs hdfs dfs -chgrp -R analytics-privatedata-users /user/hive/warehouse/wmf_product.db/pageviews_corrected/year=2022/month=2

2022-03-08

 * 13:31 ottomata: restarted webrequest-load oozie bundle as 0073173-220113112502223-oozie-oozi-B starting at 2022-03-08T12:00Z
 * 13:09 ottomata: killing and rerunning webrequest-load-text-wf for webrequest_source=text/year=2022/month=3/day=7/hour=17, it was stuck in add_partition task as SUSPENDED, not sure why.
 * 12:47 btullis: roll-restarting druid-analytics T300626
 * 12:08 btullis: roll-restarting druid-public. T300626
 * 11:21 btullis: roll-restarting druid-test T300626
 * 11:00 btullis: roll-restarting aqs T300626
 * 10:57 btullis: restarted archiva T300626

2022-03-07

 * 19:14 ottomata: sudo -u hdfs kerberos-run-command hdfs hdfs dfs -chgrp -R analytics-privatedata-users /wmf/data/wmf/*/hourly/year=2022/month=3/day=7 to make sure perms are fixed after revert of T291664
 * 19:13 ottomata: sudo -u hdfs kerberos-run-command hdfs hdfs dfs -chgrp -R analytics-privatedata-users /wmf/data/wmf/virtualpageview/hourly/year=2022/month=3/day=7 - revert of T291664
 * 18:45 ottomata: sudo -u hdfs kerberos-run-command hdfs hdfs dfs -chgrp -R analytics-privatedata-users /wmf/data/wmf/mediacounts/year=2022/month=3/day=7
 * 18:37 ottomata: sudo -u hdfs kerberos-run-command hdfs hdfs dfs -chgrp -R analytics-privatedata-users /wmf/data/wmf/webrequest/webrequest_source=text/year=2022/month=3/day=7 - after reverting - T291664
 * 18:34 ottomata: restarting hive-server2 on an-coord1001 to revert hive.warehouse.subdir.inherit.perms change - T291664
 * 14:44 btullis: failing back hive services to an-coord1001
 * 13:09 aqu_: About to deploy analytics/refinery - Migrate wikidata/item_page_link/weekly from Oozie to Airflow
 * 12:45 aqu_: About to deploy airflow-dags/analytics - Migrates wikidata/item_page_link
 * 12:10 btullis: restarted hive-server2 process on an-coord1001
 * 11:52 btullis: obtaining heap dump: `hive@an-coord1001:/srv/hive-tmp$ jmap -dump:format=b,file=hive_server2_heap_T303168.bin 16971`
 * 11:51 btullis: obtaining summary of heap objects and sizes: `hive@an-coord1001:/srv/hive-tmp$ jmap -histo:live 16971 > hive-object-storage-and-sizes.T303168.txt`
 * 11:38 btullis: failing over hive to an-coord1001 T303168

2022-03-05

 * 10:03 elukey: restart hadoop-yarn-nodemanager on an-worker1132 (unhealthy node, reason Linux Container Executor reached unrecoverable exception)

2022-03-04

 * 17:46 mforns: deployed Airflow to analytics instance to fix skein logs problem
 * 15:50 mforns: deployed airflow in an-test-client1001 to test skein log fix
 * 05:19 milimetric: rerunning monthly edit hourly druid oozie coordinator

2022-03-03

 * 17:48 ottomata: roll restart aqs to pick up new MW history snapshot

2022-03-01

 * 18:38 SandraEbele: sandra testing
 * 18:34 razzi: demo irc logging to data eng team members
 * 10:19 btullis: btullis@an-coord1002:/srv$ sudo rm -rf an-coord1001-backup/ (#T302777)
 * 09:48 elukey: elukey@stat1004:~$ sudo kill `pgrep -u zpapierski` (offboarded user, puppet broken on the host)

2022-02-28

 * 16:00 milimetric: refinery done deploying and syncing, new sqoop list is up
 * 15:01 milimetric: deploying new wikis to sqoop list ahead of sqoop job starting in a few hours

2022-02-25

 * 17:00 milimetric: rerunning webrequest-load-wf-text-2022-2-25-15 after confirming all false positive loss

2022-02-23

 * 23:00 razzi: sudo maintain-views --table flaggedrevs --databases fiwiki on clouddb1014.eqiad.wmnet and clouddb1018.eqiad.wmnet for T302233

2022-02-22

 * 10:37 btullis: re-enabled puppet on an-launcher1002, having absented the network_internal druid load job
 * 09:30 aqu: Deploying analytics/refinery on hadoop-test only.
 * 07:38 elukey: systemctl reset-failed mediawiki-history-drop-snapshot on an-launcher1002 (opened since a week ago)
 * 07:30 elukey: kill remaining processes of rhuang-ctr on stat1004 and an-test-client1001 (user offboarded, but still holding jupyter notebooks etc..). Puppet was broken trying to remove the user.

2022-02-21

 * 17:55 elukey: kill remaining processes of rhuang-ctr on various stat nodes (user offboarded, but still holding jupyter notebooks etc..). Puppet was broken trying to remove the user.
 * 16:58 mforns: Deployed refinery using scap, then deployed onto hdfs (aqs hourly airflow queries)

2022-02-19

 * 12:21 elukey: stop puppet on an-launcher1002, stop timers for eventlogging_to_druid_network_flows_internal_ { hourly,daily } since no data is coming to the Kafka topic (expected due to some work for the Marseille DC) and it keeps alarming

2022-02-17

 * 16:18 mforns: deployed wikistats2

2022-02-16

 * 14:13 mforns: deployed airflow-dags to analytics instance

2022-02-15

 * 17:20 ottomata: split anaconda-wmf into 2 packages: anaconda-wmf-base and anaconda-wmf. anaconda-wmf-base is installed on workers, anaconda-wmf on clients.  The size of the package on workers is now much smaller.  Installing throught the cluster.  relevant: T292699

2022-02-14

 * 17:38 razzi: razzi@an-test-client1001:~$ sudo systemctl reset-failed airflow-scheduler@analytics-test.service
 * 16:08 razzi: sudo cookbook sre.ganeti.makevm --vcpus 4 --memory 8 --disk 50 eqiad_B datahubsearch1002 for T301383

2022-02-12

 * 08:50 elukey: truncate /var/log/auth.log to 1g on krb1001 to free space on root partition (original log saved under /srv)

2022-02-11

 * 15:06 ottomata: set hive.warehouse.subdir.inherit.perms = false - T291664

2022-02-10

 * 18:54 ottomata: setting up research airflow-dags scap deployment, recreating airflow database and starting from scractch (fab okayed this) - T295380
 * 16:48 ottomata: deploying airflow analytics with lots of recent changes to airflow-dags repository

2022-02-09

 * 17:41 joal: Deploy refinery onto HDFS
 * 17:05 joal: Deploying refinery with scap
 * 16:39 joal: Release refinery-source v0.1.25 to archiva

2022-02-08

 * 07:27 elukey: restart hadoop-yarn-nodemanager on an-worker1115 (container executor reached unrecoverable exception, doesn't talk with the Yarn RM anymore)

2022-02-07

 * 18:43 ottomata: manually installing airflow_2.1.4-py3.7-2_amd64.deb on an-test-client1001
 * 14:38 ottomata: merged Set spark maxPartitionBytes to hadoop dfs block size - T300299
 * 12:17 btullis: depooled aqs1009
 * 11:59 btullis: depooled aqs1008
 * 11:41 btullis: depooled aqs1007
 * 11:03 btullis: depooled aqs1006
 * 10:22 btullis: depooling aqs1005

2022-02-04

 * 16:05 elukey: unmask prometheus-mysqld-exporter.service and clean up the old @analytics + wmf_auto_restart units (service+timer) not used anymore on an-coord100[12]
 * 12:55 joal: Rerun cassandra-daily-wf-local_group_default_T_pageviews_per_article_flat-2022-2-3
 * 07:12 elukey: `GRANT PROCESS, REPLICATION CLIENT ON *.* TO `prometheus`@`localhost` IDENTIFIED VIA unix_socket WITH MAX_USER_CONNECTIONS 5` on an-test-coord1001 to allow the prometheus exporter to gather metrics
 * 07:09 elukey: cleanup wmf_auto_restart_prometheus-mysqld-exporter@analytics-meta on an-test-coord1001 and unmasked wmf_auto_restart_prometheus-mysqld-exporter (now used)
 * 07:03 elukey: clean up wmf_auto_restart_prometheus-mysqld-exporter@matomo on matomo1002 (not used anymore, listed as failed)

2022-02-03

 * 19:35 joal: Rerun virtualpageview-druid-monthly-wf-2022-1
 * 19:32 btullis: re-running the failed refine_event job as per email.
 * 19:27 joal: Rerun virtualpageview-druid-daily-wf-2022-1-16
 * 19:12 joal: Kill druid indexation stuck task on Druid (from 2022-01-17T02:31)
 * 19:09 joal: Kill druid-loading stuck yarn applications (3 HiveToDruid, 2 oozie launchers)
 * 10:04 btullis: pooling the remaining aqs_next nodes.
 * 07:01 elukey: kill leftover processes of decommed user on an-test-client1001

2022-02-01

 * 20:05 btullis: btullis@an-launcher1002:~$ sudo systemctl restart refinery-sqoop-whole-mediawiki.service
 * 19:01 joal: Deploying refinery with scap
 * 18:36 joal: Rerun virtualpageview-druid-daily-wf-2022-1-16
 * 18:34 joal: rerun webrequest-druid-hourly-wf-2022-2-1-12
 * 17:43 btullis: btullis@an-launcher1002:~$ sudo systemctl start refinery-sqoop-whole-mediawiki.service
 * 17:29 btullis: about to deploy analytics/refinery
 * 12:28 elukey: kill processes related to offboarded user on stat1006 to unblock puppet
 * 11:09 btullis: btullis@an-test-coord1001:~$ sudo apt-get -f install

2022-01-31

 * 14:51 btullis: btullis@an-launcher1002:~$ sudo systemctl start mediawiki-history-drop-snapshot.service
 * 14:03 btullis: btullis@an-launcher1002:~$ sudo systemctl start mediawiki-history-drop-snapshot.service

2022-01-27

 * 08:15 joal: Rerun failed cassandra-daily-wf-local_group_default_T_pageviews_per_article_flat-2022-1-26

2022-01-26

 * 15:54 joal: Add new CH-UA fields to wmf_raw.webrequest and wmf.webrequest
 * 15:44 joal: Kill-restart webrequest oozie job after deploy
 * 15:40 joal: Kill-restart edit-hourly oozie job after deploy
 * 15:27 joal: Deploy refinery to HDFS
 * 15:10 elukey: elukey@cp4036:~$ sudo systemctl restart varnishkafka-eventlogging
 * 15:10 elukey: elukey@cp4036:~$ sudo systemctl restart varnishkafka-statsv
 * 15:06 elukey: elukey@cp4035:~$ sudo systemctl restart varnishkafka-eventlogging.service - metrics showing messages stuck for a poll
 * 14:56 elukey: elukey@cp4035:~$ sudo systemctl restart varnishkafka-webrequest.service - metrics showing messages stuck for a poll
 * 14:52 joal: Deploy refinery with scap
 * 10:07 btullis: btullis@cumin1001:~$ sudo cumin 'O:cache::upload or O:cache::text' 'disable-puppet btullis-T296064-T299401'

2022-01-25

 * 19:46 ottomata: removing hdfs druid deep storage from test cluster
 * 19:37 ottomata: reseting test cluster druid via druid reset-cluster https://druid.apache.org/docs/latest/operations/reset-cluster.html - T299930
 * 14:30 ottomata: stopping services on an-test-coord1001 - T299930
 * 14:29 ottomata: stopping druid* on an-test-druid1001 - T299930
 * 11:30 btullis: pooled aqs1011 T298516
 * 11:29 btullis: btullis@puppetmaster1001:~$ sudo -i confctl select name=aqs1011.eqiad.wmnet set/pooled=yes

2022-01-24

 * 21:18 btullis: btullis@deploy1002:/srv/deployment/analytics/refinery$ scap deploy -e hadoop-test -l an-test-coord1001.eqiad.wmnet
 * 20:35 btullis: rebooting an-test-coord1001 after recreating the /srv/file system.
 * 20:28 btullis: root@an-test-coord1001:~# mke2fs -t ext4 -j -m 0.5 /dev/vg0/srv
 * 19:53 btullis: power cycled an-test-coord1001 from racadm
 * 19:50 btullis: rebooting an-test-coord1001
 * 19:19 ottomata: kill mysqld on an-test-coord1001 - 19:19:04 [@an-test-coord1001:/etc] $ sudo kill 42433
 * 19:02 razzi: razzi@an-test-coord1001:~$ sudo systemctl stop presto-server
 * 18:23 razzi: downtime an-test-coord1001 while attempting to fix /srv partition
 * 11:48 elukey: roll restart of kafka test brokers to pick up the new keystore/tls-certs (1y of validity)

2022-01-22

 * 08:36 elukey: `apt-get clean` on an-test-coord1001 to free some space

2022-01-21

 * 01:03 milimetric: rerunning the eventlogging_to_druid_network_flows_internal-sanitization_daily timer that failed to get logs

2022-01-20

 * 11:58 btullis: re-enabled puppet on all hive nodes, deploying the updated log4j configuration for parquet
 * 11:36 btullis: temporarily disabling puppet on servers with hive installed T297734
 * 07:49 joal: Rerun failed webrequest jobs (text and upload, 2022-01-19T19:00

2022-01-19

 * 15:44 ottomata: installing anaconda-wmf_2020.02~wmf6_amd64.deb on all analytics cluster nodes. -  T292699
 * 14:00 ottomata: installing anaconda-wmf_2020.02~wmf6_amd64.deb on stat1004 - T292699

2022-01-17

 * 07:19 elukey: launch webrequest bundle from 2022-01-16T01:00 (first hour missing for text) - 0003712-220113112502223-oozie-oozi-B
 * 07:17 elukey: kill webrequest bundle, text coordinator failed (logs/info/etc.. https://hue.wikimedia.org/hue/jobbrowser/#!id=0024621-210701181527401-oozie-oozi-B)
 * 07:13 elukey: umount/mount /mnt/hdfs on an-coord1001 to pick up java upgrades

2022-01-16

 * 16:43 elukey: `elukey@an-launcher1002:~$ sudo systemctl reset-failed eventlogging_to_druid_network_internal_flows-sanitization_daily.service eventlogging_to_druid_network_internal_flows_daily.service eventlogging_to_druid_network_internal_flows_hourly.service

2022-01-13

 * 12:41 joal: rerun failed instances of webrequest-load-coord
 * 11:59 btullis: stopped eventlogging service on eventlog1003 with 1 hour's downtime.
 * 11:52 btullis: Upgrading hive packages on stat1005
 * 11:26 btullis: restarted hive-metastore and hive-server2 on an-coord1001 after running puppet.
 * 11:23 btullis: btullis@an-coord1001:~$ sudo apt install hive hive-hcatalog hive-jdbc hive-metastore hive-server2 oozie oozie-client
 * 11:18 btullis: btullis@an-coord1002:~$ sudo systemctl restart hive-metastore hive-server2
 * 09:53 btullis: DNS change deployed, failing over hive to an-coord1002.
 * 09:42 btullis: btullis@an-coord1002:~$ sudo apt install hive hive-hcatalog hive-jdbc hive-metastore hive-server2 oozie-client
 * 08:45 joal: Kill-restart wikidata-json_entity-weekly-coord after deploy

2022-01-12

 * 21:13 joal: Deploying refinery to HDFS
 * 20:46 joal: Deploying refinery with scap
 * 20:35 joal: refinery-source v0.1.24 released on archiva
 * 11:25 elukey: move kafka-jumbo nodes to fixed kafka uid/gid
 * 07:46 elukey: `systemctl reset-failed product-analytics-movement-metrics.service` on stat1007

2022-01-10

 * 13:56 btullis: Upgrading oozie packages on an-test-coord1001 to test new log4j versions

2022-01-08

 * 10:51 elukey: start hive-server2 on an-coord1002 - failed to connect to the metastore due to restart
 * 10:41 elukey: restart hive daemons on an-coord1002 (after my last upgrade/rollback of packages the prometheus agent settings were not picked up, so no metrics)

2022-01-07

 * 20:16 ottomata: altering hive table MobileWikiAppiOSUserHistory field  event.device_level_enabled to string - T298721
 * 17:29 btullis: deployed updated hive packages to an-test-worker100[1-3] and an-test-ui1001
 * 14:52 btullis: root@aqs1014:~# jmap -dump:live,format=b,file=/srv/cassandra-b/tmp/aqs1014-b-dump202201071450.hprof 4468

2022-01-06

 * 18:02 btullis: btullis@aqs1010:~$ sudo systemctl restart cassandra-a.service
 * 12:22 btullis: restarting cassandra-a service on aqs1004.eqiad.wmnet in order to troubleshoot logging.
 * 11:24 btullis: restarting cassandra-a service on aqs1010.eqiad.wmnet in order to troubleshoot logging.
 * 08:12 joal: Rerun failed webrequest-load-wf-text-2022-1-6-7
 * 07:58 joal: Rerun refine_event_sanitized_analytics_immediate missing hours after errors from the past days
 * 07:39 joal: Rerun failed refine_eventlogging_analytics for mobilewikiappiosuserhistory schema, hours 2022-01-05T2[123]:00:00 and 2022-01-06T00:00:00, dropping malformed rows as discussed with schema owner

2022-01-05

 * 19:16 joal: Rerun failed refine_eventlogging_analytics for mobilewikiappiosuserhistory schema, hours 2022-01-04T1[5789]:00:00, dropping malformed rows as discussed with schema owner
 * 11:37 btullis: Upgrading hive on an-test-client1001 in order to test log4j upgrade
 * 11:35 btullis: Upgrading hive packages on an-test-coord1001 to test log4j changes.

2022-01-04

 * 10:39 elukey: restart cassandra-a on aqs1010 (heap size used in full, high GC)
 * 10:20 elukey: restart cassandra-a on aqs1015 (heap size used in full, high GC)

2022-01-03

 * 18:26 joal: rerun cassandra-daily-wf-local_group_default_T_mediarequest_per_file-2022-1-1
 * 16:08 joal: Kill cassandra3-local_group_default_T_mediarequest_per_file-daily-2022-1-1
 * 11:26 elukey: restart cassandra-b on aqs1015 (instance not responding, probably trashing)
 * 11:16 elukey: restart cassandra-b on aqs1010 (stuck trashing)
 * 10:34 elukey: depool aqs1010 (`sudo -i depool` on the node) to allow investigation of the cassandra -b instance
 * 10:22 elukey: powercycle an-worker1114 (CPU soft lockup errors in mgmt console)
 * 10:20 elukey: powercycle an-worker1120 (CPU soft lockup errors in mgmt console)