Rushabh Shah created HBASE-25500:
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Summary: Add metric for age of oldest wal in region server
replication queue.
Key: HBASE-25500
URL: https://issues.apache.org/jira/browse/HBASE-25500
Project: HBase
Issue Type: Improvement
Components: metrics, regionserver, Replication
Reporter: Rushabh Shah
Assignee: Rushabh Shah
Fix For: 3.0.0-alpha-1, 1.7.0
We have seen cases recently where we have wal from 2018 timestamp in our
recovered replication queue. We came across this un replicated wal while
debugging something else. We need to have metrics for the oldest wal in the
replication queue and have alerts if it exceeds some threshold. Clearly 2 years
old wal is not desirable.
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