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Last active October 11, 2019 22:05
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HBASE trouble
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hbase_trouble.org

Restarting a dead service on a node

https://aws.amazon.com/premiumsupport/knowledge-center/restart-service-emr/

hbase regionserver logs were saying they were timing out talking to hdfs ports. This led us to a problem with the “datanode” service, and that above blog about restarting services is how we restarted that service.

Just looking through these will help to find what’s broken. var/logs tmp

If you have healthy nodes try to compare the same logs between the healthy and unhealthy nodes

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