Peter Somogyi created HBASE-25224:
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Summary: Maximize sleep for checking meta and namespace regions
availability
Key: HBASE-25224
URL: https://issues.apache.org/jira/browse/HBASE-25224
Project: HBase
Issue Type: Improvement
Components: master
Reporter: Peter Somogyi
Assignee: Peter Somogyi
The isRegionOnline method in HMaster is used on Master startup to check the
availability of hbase:meta and hbase:namespace tables.
I've run into an issue when namespace was not online and Master was just
waiting there. I've used HBCK2 to fix the cluster but the initialization was
not completed because RetryCounterFactory was already waiting for 10+ hours.
Since Master is waiting in an idle state it makes no harm to check the region
availability more frequently and limit the maximum sleep time.
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