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https://issues.apache.org/jira/browse/HBASE-5072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13173372#comment-13173372
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Phabricator commented on HBASE-5072:
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nspiegelberg has commented on the revision "[jira] [HBASE-5072] Support Max
Value for Per-Store Metrics".
INLINE COMMENTS
src/main/java/org/apache/hadoop/hbase/regionserver/metrics/SchemaMetrics.java:388
actually, this comment is correct. Note that 'ALL_SCHEMA_METRICS' is a
well-known singleton to store the per-server aggregation of these metrics.
REVISION DETAIL
https://reviews.facebook.net/D945
> Support Max Value for Per-Store Metrics
> ---------------------------------------
>
> Key: HBASE-5072
> URL: https://issues.apache.org/jira/browse/HBASE-5072
> Project: HBase
> Issue Type: Improvement
> Components: metrics, regionserver
> Reporter: Nicolas Spiegelberg
> Assignee: Nicolas Spiegelberg
> Priority: Minor
> Fix For: 0.94.0
>
> Attachments: D945.1.patch, D945.2.patch
>
>
> We were bit in our multi-tenant cluster because one of our Stores encountered
> a bug and grew its StoreFile count. We didn't notice this because the
> StoreFile count currently reported by the RegionServer is an average of all
> Stores in the region. For the per-Store metrics, we should also record the
> max so we can notice outliers.
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