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https://issues.apache.org/jira/browse/HBASE-16657?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15555934#comment-15555934
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Gary Helmling commented on HBASE-16657:
---------------------------------------
Test failure here looks very related:
{noformat}
java.lang.NullPointerException: null
at
org.apache.hadoop.hbase.tmpl.regionserver.RegionListTmplImpl.__jamon_innerUnit__compactStats(RegionListTmplImpl.java:353)
at
org.apache.hadoop.hbase.tmpl.regionserver.RegionListTmplImpl.renderNoFlush(RegionListTmplImpl.java:98)
at
org.apache.hadoop.hbase.tmpl.regionserver.RegionListTmpl.renderNoFlush(RegionListTmpl.java:150)
at
org.apache.hadoop.hbase.tmpl.regionserver.RSStatusTmplImpl.renderNoFlush(RSStatusTmplImpl.java:153)
at
org.apache.hadoop.hbase.tmpl.regionserver.RSStatusTmpl.renderNoFlush(RSStatusTmpl.java:226)
at
org.apache.hadoop.hbase.tmpl.regionserver.RSStatusTmpl.render(RSStatusTmpl.java:217)
at
org.apache.hadoop.hbase.regionserver.TestRSStatusServlet.testWithRegions(TestRSStatusServlet.java:130)
{noformat}
Looks like I missed the need for a null check in review. I'll attach an
addendum.
> Expose per-region last major compaction timestamp in RegionServer UI
> --------------------------------------------------------------------
>
> Key: HBASE-16657
> URL: https://issues.apache.org/jira/browse/HBASE-16657
> Project: HBase
> Issue Type: Improvement
> Components: regionserver, UI
> Reporter: Gary Helmling
> Assignee: Dustin Pho
> Priority: Minor
> Attachments: HBASE-16657.001.patch, HBASE-16657.002.patch,
> with-patch-changes.png, without-patch-changes.png
>
>
> HBASE-12859 added some tracking for the last major compaction completed for
> each region. However, this is currently only exposed through the cluster
> status reporting and the Admin API. Since the regionserver is already
> reporting this information, it would be nice to fold it in somewhere to the
> region listing in the regionserver UI.
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