Huaxiang Sun created HBASE-26618:
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Summary: Involving primary meta region in meta scan with Meta
Replica Mode
Key: HBASE-26618
URL: https://issues.apache.org/jira/browse/HBASE-26618
Project: HBase
Issue Type: Improvement
Components: meta replicas
Affects Versions: 2.4.9
Reporter: Huaxiang Sun
Assignee: Huaxiang Sun
In the current release with Meta replica LoadBalance mode, the primary meta
region is not serving the meta scan (only meta replica region serves the read).
When the result from meta replica region is stale, it will go to primary meta
region for up-to-date location.
>From our experience, the primary meta region serves very less read traffic, so
>it will be better to load balance read traffic across the primary meta region
>as well.
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