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Szilard Nemeth edited comment on YARN-9121 at 2/22/19 6:22 PM: --------------------------------------------------------------- [~sunilg]: Sure, {{new GpuDiscoverer()}} only happens once in the production code and that single instance is used everywhere. Also added patch002 as patch001 was not applyable to trunk without conflicts. was (Author: snemeth): [~sunilg]: Sure, {{new GpuDiscoverer()}} only happens once in the production code and that single instance is used everywhere. > Users of GpuDiscoverer.getInstance() are not possible to test as instance is > a static field > ------------------------------------------------------------------------------------------- > > Key: YARN-9121 > URL: https://issues.apache.org/jira/browse/YARN-9121 > Project: Hadoop YARN > Issue Type: Improvement > Reporter: Szilard Nemeth > Assignee: Szilard Nemeth > Priority: Major > Attachments: YARN-9121.001.patch, YARN-9121.002.patch > > > The clients of GpuDiscoverer are very hard to test as they call > GpuDiscoverer.getInstance() internally. > For example, writing tests for > org.apache.hadoop.yarn.server.nodemanager.containermanager.resourceplugin.gpu.GpuResourcePlugin#getNMResourceInfo > is quite hard as the GpuDeviceInformation returned by GpuDiscoverer is not > interchangeable as GpuDiscoverer is not mockable since we cannot inject it in > tests. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org