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Posted to dev@hbase.apache.org by "Bryan Beaudreault (Jira)" <ji...@apache.org> on 2022/09/19 23:17:00 UTC

[jira] [Created] (HBASE-27377) Add metrics reporting on multi-cf reads

Bryan Beaudreault created HBASE-27377:
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             Summary: Add metrics reporting on multi-cf reads
                 Key: HBASE-27377
                 URL: https://issues.apache.org/jira/browse/HBASE-27377
             Project: HBase
          Issue Type: New Feature
            Reporter: Bryan Beaudreault


Data in column families are stored in separate files. When a read comes in to a table with multiple column families, by default it will fetch data from all column families unless the specific column/family was requested. These reads are more expensive, especially in multigets.

As an operator, it's hard to know when these are coming in. It would be useful to have a metric.



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