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Hadoop QA commented on HBASE-22031: ----------------------------------- | (/) *{color:green}+1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 11s{color} | {color:blue} Docker mode activated. {color} | || || || || {color:brown} Prechecks {color} || | {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green} 0m 0s{color} | {color:green} Patch does not have any anti-patterns. {color} | | {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s{color} | {color:green} The patch does not contain any @author tags. {color} | | {color:orange}-0{color} | {color:orange} test4tests {color} | {color:orange} 0m 0s{color} | {color:orange} 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} | || || || || {color:brown} master Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 25s{color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 4m 25s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 6s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 36s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} shadedjars {color} | {color:green} 4m 31s{color} | {color:green} branch has no errors when building our shaded downstream artifacts. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 22s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 35s{color} | {color:green} master passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 15s{color} | {color:blue} Maven dependency ordering for patch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 4m 17s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 9s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 9s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 37s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s{color} | {color:green} The patch has no whitespace issues. {color} | | {color:green}+1{color} | {color:green} shadedjars {color} | {color:green} 4m 27s{color} | {color:green} patch has no errors when building our shaded downstream artifacts. {color} | | {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 8m 42s{color} | {color:green} Patch does not cause any errors with Hadoop 2.7.4 or 3.0.0. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 39s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 35s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:green}+1{color} | {color:green} unit {color} | {color:green} 2m 33s{color} | {color:green} hbase-common in the patch passed. {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 2m 18s{color} | {color:green} hbase-rsgroup in the patch passed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 18s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 40m 42s{color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:b002b0b | | JIRA Issue | HBASE-22031 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12962369/HBASE-22031.master.002.patch | | Optional Tests | dupname asflicense javac javadoc unit findbugs shadedjars hadoopcheck hbaseanti checkstyle compile | | uname | Linux 8e63c8b7d6f7 4.4.0-138-generic #164~14.04.1-Ubuntu SMP Fri Oct 5 08:56:16 UTC 2018 x86_64 GNU/Linux | | Build tool | maven | | Personality | /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh | | git revision | master / e536e6a2aa | | maven | version: Apache Maven 3.5.4 (1edded0938998edf8bf061f1ceb3cfdeccf443fe; 2018-06-17T18:33:14Z) | | Default Java | 1.8.0_181 | | findbugs | v3.1.11 | | Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/16382/testReport/ | | Max. process+thread count | 3976 (vs. ulimit of 10000) | | modules | C: hbase-common hbase-rsgroup U: . | | Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/16382/console | | Powered by | Apache Yetus 0.8.0 http://yetus.apache.org | This message was automatically generated. > Provide RSGroupInfo with a new constructor using shallow copy > ------------------------------------------------------------- > > Key: HBASE-22031 > URL: https://issues.apache.org/jira/browse/HBASE-22031 > Project: HBase > Issue Type: Improvement > Components: rsgroup > Reporter: Xiang Li > Assignee: Xiang Li > Priority: Minor > Attachments: HBASE-22031.master.000.patch, > HBASE-22031.master.001.patch, HBASE-22031.master.002.patch > > > As for org.apache.hadoop.hbase.rsgroup.RSGroupInfo, the following constructor > performs deep copies on both servers and tables inputed. > {code:title=hbase-common/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupInfo.java.java|borderStyle=solid} > RSGroupInfo(String name, SortedSet<Address> servers, SortedSet<TableName> > tables) { > this.name = name; > this.servers = (servers == null) ? new TreeSet<>() : new TreeSet<>(servers); > this.tables = (tables == null) ? new TreeSet<>() : new TreeSet<>(tables); > } > {code} > The constructor of TreeSet is heavy and I think it is better to have a new > constructor with shallow copy and it could be used at least in > {code:title=hbase-rsgroup/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupInfoManagerImpl.java|borderStyle=solid} > private synchronized void refresh(boolean forceOnline) throws IOException { > ... > groupList.add(new RSGroupInfo(RSGroupInfo.DEFAULT_GROUP, > getDefaultServers(), orphanTables)); > ... > {code} > It is not needed to allocate new TreeSet to deep copy the output of > getDefaultServers() and orphanTables, both of which are allocated in the near > context and not updated in the code followed. So it is safe to make a shadow > copy here. -- This message was sent by Atlassian JIRA (v7.6.3#76005)