Xuan Gong created YARN-6922: ------------------------------- Summary: Findbugs warning in YARN NodeManager Key: YARN-6922 URL: https://issues.apache.org/jira/browse/YARN-6922 Project: Hadoop YARN Issue Type: Bug Affects Versions: 3.0.0-beta1 Reporter: Xuan Gong
Several findbugs warning in YARN NodeManager package. {code} org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainerMetrics.usageMetrics is a mutable collection which should be package protected Bug type MS_MUTABLE_COLLECTION_PKGPROTECT (click for details) In class org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainerMetrics Field org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainerMetrics.usageMetrics At ContainerMetrics.java:[line 134] {code} {code} org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ContainerLocalizer.createStatus() makes inefficient use of keySet iterator instead of entrySet iterator Bug type WMI_WRONG_MAP_ITERATOR (click for details) In class org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ContainerLocalizer In method org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ContainerLocalizer.createStatus() Field org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ContainerLocalizer.pendingResources At ContainerLocalizer.java:[line 357] {code} {code} org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.removeVeryOldStoppedContainersFromCache() makes inefficient use of keySet iterator instead of entrySet iterator Bug type WMI_WRONG_MAP_ITERATOR (click for details) In class org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl In method org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.removeVeryOldStoppedContainersFromCache() Field org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.recentlyStoppedContainers At NodeStatusUpdaterImpl.java:[line 719] {code} {code} Hard coded reference to an absolute pathname in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.DockerLinuxContainerRuntime.launchContainer(ContainerRuntimeContext) Bug type DMI_HARDCODED_ABSOLUTE_FILENAME (click for details) In class org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.DockerLinuxContainerRuntime In method org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.DockerLinuxContainerRuntime.launchContainer(ContainerRuntimeContext) File name /sys/fs/cgroup At DockerLinuxContainerRuntime.java:[line 490] {code} {code} Useless object stored in variable removedNullContainers of method org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.removeOrTrackCompletedContainersFromContext(List) Bug type UC_USELESS_OBJECT (click for details) In class org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl In method org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.removeOrTrackCompletedContainersFromContext(List) Value removedNullContainers Type java.util.HashSet At NodeStatusUpdaterImpl.java:[line 642] {code} -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org