Ashu Pachauri created HBASE-16302:
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Summary: age of last shipped op is not representative for multiwal
Key: HBASE-16302
URL: https://issues.apache.org/jira/browse/HBASE-16302
Project: HBase
Issue Type: Improvement
Components: Replication
Reporter: Ashu Pachauri
Assignee: Ashu Pachauri
Replication exports metric ageOfLastShippedOp as an indication of how much
replication is lagging. But, with multiwal enabled, it's not representative
because replication could be lagging for a long time for one wal group
(something wrong with a particular region) while being fine for others. The
ageOfLastShippedOp becomes a useless metric for alerting in such a case.
An example improvement can be providing age of last shipped op per wal group.
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