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Ship it! Ship It! - Sid Wagle On April 14, 2016, 7:40 p.m., Aravindan Vijayan wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/46219/ > ----------------------------------------------------------- > > (Updated April 14, 2016, 7:40 p.m.) > > > Review request for Ambari, Andrii Tkach, Dmytro Sen, Jaimin Jetly, Sumit > Mohanty, Sid Wagle, and Yusaku Sako. > > > Bugs: AMBARI-15892 > https://issues.apache.org/jira/browse/AMBARI-15892 > > > Repository: ambari > > > Description > ------- > > Issue > In the "NameNode HostLoad" graph, the negative values are seen for the > computed metric "Memory Utilization" which goes by the formula : > ( mem_total - (mem_free + mem_cache) ) *100 / mem_total > > Bug > AMBARI-15448 changed the way memory metrics are being reported to AMS. This > lead to a double subtraction of mem_cached, thereby leading to a negative > value intermittently. > > Fix > Change the widget to : > ( mem_total - mem_free ) *100 / mem_total > > > Diffs > ----- > > > ambari-server/src/main/java/org/apache/ambari/server/upgrade/UpgradeCatalog222.java > 0476326 > > ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/widgets.json > 0f8f105 > ambari-server/src/main/resources/stacks/HDP/2.3/services/HDFS/widgets.json > a19a112 > > Diff: https://reviews.apache.org/r/46219/diff/ > > > Testing > ------- > > Unit tests pass. > > Manual widget testing done. > > Manual upgrade testing pending. > > > Thanks, > > Aravindan Vijayan > >
