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https://issues.apache.org/jira/browse/HBASE-4686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13140686#comment-13140686
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Phabricator commented on HBASE-4686:
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Liyin has commented on the revision "[jira] [HBASE-4686] [89-fb] Fix per-store
metrics aggregation
".
INLINE COMMENTS
src/main/java/org/apache/hadoop/hbase/regionserver/metrics/SchemaMetrics.java:386
Can you elaborate what the key and value in this tmpMap is in the javadoc?
It does no look very clear to me.
REVISION DETAIL
https://reviews.facebook.net/D87
> [89-fb] Fix per-store metrics aggregation
> ------------------------------------------
>
> Key: HBASE-4686
> URL: https://issues.apache.org/jira/browse/HBASE-4686
> Project: HBase
> Issue Type: Bug
> Reporter: Mikhail Bautin
> Assignee: Mikhail Bautin
> Attachments: D87.1.patch, D87.2.patch, D87.3.patch,
> HBASE-4686-TestRegionServerMetics-and-Store-metric-a-20111027134023-cc718144.patch,
>
> HBASE-4686-jira-89-fb-Fix-per-store-metrics-aggregat-20111027152723-05bea421.patch
>
>
> In r1182034 per-Store metrics were broken, because the aggregation of
> StoreFile metrics over all stores in a region was replaced by overriding them
> every time. We saw these metrics drop by a factor of numRegions on a
> production cluster -- thanks to Kannan for noticing this! We need to fix the
> metrics and add a unit test to ensure regressions like this don't happen in
> the future.
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