Sergey Shelukhin created HBASE-22107:
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Summary: make dead server metric work for HBase in a compute
fabric (e.g. YARN) use case
Key: HBASE-22107
URL: https://issues.apache.org/jira/browse/HBASE-22107
Project: HBase
Issue Type: Bug
Reporter: Sergey Shelukhin
dead servers appear to only be cleaned up when a server comes up on the same
host and port; however, if HBase is running on smth like YARN with many more
hosts than RSes, RS may come up on a different server and the dead one will
never be cleaned.
The metric should be improved to account for that... it will potentially
require configuring master with expected number of region servers, so that the
metric could be output based on that.
Dead server list should also be expired based on timestamp in such cases.
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