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October 11, 2019 22:05
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HBASE trouble
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| ** 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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