[jira] [Commented] (YARN-2323) FairShareComparator creates too much Resource object
[ https://issues.apache.org/jira/browse/YARN-2323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14068207#comment-14068207 ] Hadoop QA commented on YARN-2323: - {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12656814/YARN-2323-2.patch against trunk revision . {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:red}-1 tests included{color}. The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch. {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:green}+1 javadoc{color}. There were no new javadoc warning messages. {color:green}+1 eclipse:eclipse{color}. The patch built with eclipse:eclipse. {color:green}+1 findbugs{color}. The patch does not introduce any new Findbugs (version 2.0.3) warnings. {color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings. {color:red}-1 core tests{color}. The patch failed these unit tests in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager: org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServices org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesCapacitySched org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesDelegationTokens org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesAppsModification org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesNodes org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesApps org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesFairScheduler {color:green}+1 contrib tests{color}. The patch passed contrib unit tests. Test results: https://builds.apache.org/job/PreCommit-YARN-Build/4377//testReport/ Console output: https://builds.apache.org/job/PreCommit-YARN-Build/4377//console This message is automatically generated. > FairShareComparator creates too much Resource object > > > Key: YARN-2323 > URL: https://issues.apache.org/jira/browse/YARN-2323 > Project: Hadoop YARN > Issue Type: Improvement > Components: fairscheduler >Reporter: Hong Zhiguo >Assignee: Hong Zhiguo >Priority: Minor > Attachments: YARN-2323-2.patch, YARN-2323.patch > > > Each call of {{FairShareComparator}} creates a new Resource object "one": > {code} > Resource one = Resources.createResource(1); > {code} > At the volume of 1000 nodes and 1000 apps, the comparator will be called more > than 10 million times per second, thus creating more than 10 million object > "one", which is unnecessary. > Since the object "one" is read-only and is never referenced outside of > comparator, we could make it static. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Commented] (YARN-2323) FairShareComparator creates too much Resource object
[ https://issues.apache.org/jira/browse/YARN-2323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14068187#comment-14068187 ] Sandy Ryza commented on YARN-2323: -- +1 > FairShareComparator creates too much Resource object > > > Key: YARN-2323 > URL: https://issues.apache.org/jira/browse/YARN-2323 > Project: Hadoop YARN > Issue Type: Improvement > Components: fairscheduler >Reporter: Hong Zhiguo >Assignee: Hong Zhiguo >Priority: Minor > Attachments: YARN-2323-2.patch, YARN-2323.patch > > > Each call of {{FairShareComparator}} creates a new Resource object "one": > {code} > Resource one = Resources.createResource(1); > {code} > At the volume of 1000 nodes and 1000 apps, the comparator will be called more > than 10 million times per second, thus creating more than 10 million object > "one", which is unnecessary. > Since the object "one" is read-only and is never referenced outside of > comparator, we could make it static. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Commented] (YARN-2323) FairShareComparator creates too much Resource object
[ https://issues.apache.org/jira/browse/YARN-2323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14068143#comment-14068143 ] Sandy Ryza commented on YARN-2323: -- As it's a static final variable, ONE should be all caps. Otherwise, LGTM. > FairShareComparator creates too much Resource object > > > Key: YARN-2323 > URL: https://issues.apache.org/jira/browse/YARN-2323 > Project: Hadoop YARN > Issue Type: Improvement > Components: fairscheduler >Reporter: Hong Zhiguo >Assignee: Hong Zhiguo >Priority: Minor > Attachments: YARN-2323.patch > > > Each call of {{FairShareComparator}} creates a new Resource object "one": > {code} > Resource one = Resources.createResource(1); > {code} > At the volume of 1000 nodes and 1000 apps, the comparator will be called more > than 10 million times per second, thus creating more than 10 million object > "one", which is unnecessary. > Since the object "one" is read-only and is never referenced outside of > comparator, we could make it static. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Commented] (YARN-2323) FairShareComparator creates too much Resource object
[ https://issues.apache.org/jira/browse/YARN-2323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14067744#comment-14067744 ] Wei Yan commented on YARN-2323: --- Good catch, [~zhiguohong]. Thanks, LGTM. > FairShareComparator creates too much Resource object > > > Key: YARN-2323 > URL: https://issues.apache.org/jira/browse/YARN-2323 > Project: Hadoop YARN > Issue Type: Improvement > Components: fairscheduler >Reporter: Hong Zhiguo >Assignee: Hong Zhiguo >Priority: Minor > Attachments: YARN-2323.patch > > > Each call of {{FairShareComparator}} creates a new Resource object "one": > {code} > Resource one = Resources.createResource(1); > {code} > At the volume of 1000 nodes and 1000 apps, the comparator will be called more > than 10 million times per second, thus creating more than 10 million object > "one", which is unnecessary. > Since the object "one" is read-only and is never referenced outside of > comparator, we could make it static. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Commented] (YARN-2323) FairShareComparator creates too much Resource object
[ https://issues.apache.org/jira/browse/YARN-2323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14067553#comment-14067553 ] Hadoop QA commented on YARN-2323: - {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12656727/YARN-2323.patch against trunk revision . {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:red}-1 tests included{color}. The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch. {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:green}+1 javadoc{color}. There were no new javadoc warning messages. {color:green}+1 eclipse:eclipse{color}. The patch built with eclipse:eclipse. {color:green}+1 findbugs{color}. The patch does not introduce any new Findbugs (version 2.0.3) warnings. {color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings. {color:red}-1 core tests{color}. The patch failed these unit tests in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager: org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServices org.apache.hadoop.yarn.server.resourcemanager.applicationsmanager.TestAMRestart org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesCapacitySched org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesDelegationTokens org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesAppsModification org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesNodes org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesApps org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesFairScheduler {color:green}+1 contrib tests{color}. The patch passed contrib unit tests. Test results: https://builds.apache.org/job/PreCommit-YARN-Build/4372//testReport/ Console output: https://builds.apache.org/job/PreCommit-YARN-Build/4372//console This message is automatically generated. > FairShareComparator creates too much Resource object > > > Key: YARN-2323 > URL: https://issues.apache.org/jira/browse/YARN-2323 > Project: Hadoop YARN > Issue Type: Improvement > Components: fairscheduler >Reporter: Hong Zhiguo >Assignee: Hong Zhiguo >Priority: Minor > Attachments: YARN-2323.patch > > > Each call of {{FairShareComparator}} creates a new Resource object "one": > {code} > Resource one = Resources.createResource(1); > {code} > At the volume of 1000 nodes and 1000 apps, the comparator will be called more > than 10 million times per second, thus creating more than 10 million object > "one", which is unnecessary. > Since the object "one" is read-only and is never referenced outside of > comparator, we could make it static. -- This message was sent by Atlassian JIRA (v6.2#6252)