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Qin Liu commented on AMBARI-20726: ---------------------------------- need to mention that the results of testing has nothing to do with my patch because the following job also failed in the same way: https://builds.apache.org/job/Ambari-trunk-test-patch/11523/artifact/patch-work/trunkJavacWarnings.txt > Aggregate alert does not show status properly at Maintenance Mode change > ------------------------------------------------------------------------ > > Key: AMBARI-20726 > URL: https://issues.apache.org/jira/browse/AMBARI-20726 > Project: Ambari > Issue Type: Bug > Components: alerts > Affects Versions: 2.4.2 > Reporter: Qin Liu > Assignee: Qin Liu > Priority: Minor > Fix For: trunk > > Attachments: AMBARI-20726.patch > > > Aggregate alert does not show status properly at Maintenance Mode change. > Steps to reproduce: > Install a cluster that has HBase with one regionserver installed. > Scenario 1: > 1. Turn On Maintenance Mode on the RegionServer or on the RegionServer host > or on the HBase service. > 2. Stop the RegionServer after that. > 3. No red alerts will show as expected. > Percent RegionServers Available - OK affected: [0], total: [1] > 4. Now Turn Off Maintenance Mode, still keep the RegionServer down. > But Percent RegionServers Available alert will still show "OK" - "CRIT" is > expected. > Scenario 2: > 1) Stop the RegionServer - Red alert will show as expected. > Percent RegionServers Available - CRIT affected: [1], total: [1] > 2) Now Turn On Maintenance Mode - For RegionServer status, Red alert will be > gone as expected. > But Percent RegionServers Available alert will still show "CRIT" - "OK" is > expected. -- This message was sent by Atlassian JIRA (v6.3.15#6346)