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Hadoop QA commented on HDFS-14783: ---------------------------------- | (/) *{color:green}+1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 28s{color} | {color:blue} Docker mode activated. {color} | || || || || {color:brown} Prechecks {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:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 0s{color} | {color:green} The patch appears to include 1 new or modified test files. {color} | || || || || {color:brown} trunk Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 19m 8s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 16m 19s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 49s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 23s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 15m 42s{color} | {color:green} branch has no errors when building and testing our client artifacts. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 0s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 57s{color} | {color:green} trunk passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 48s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 17m 15s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 17m 15s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 48s{color} | {color:green} hadoop-common-project/hadoop-common: The patch generated 0 new + 24 unchanged - 1 fixed = 24 total (was 25) {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 25s{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} shadedclient {color} | {color:green} 14m 36s{color} | {color:green} patch has no errors when building and testing our client artifacts. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 10s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 58s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:green}+1{color} | {color:green} unit {color} | {color:green} 8m 57s{color} | {color:green} hadoop-common in the patch passed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 47s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black}104m 35s{color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Docker | Client=19.03.8 Server=19.03.8 Image:yetus/hadoop:c44943d1fc3 | | JIRA Issue | HDFS-14783 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12996924/HDFS-14783-003.patch | | Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle | | uname | Linux 39bb0473565a 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 11:12:41 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /testptch/patchprocess/precommit/personality/provided.sh | | git revision | trunk / 1975479 | | maven | version: Apache Maven 3.3.9 | | Default Java | 1.8.0_242 | | findbugs | v3.1.0-RC1 | | Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/28968/testReport/ | | Max. process+thread count | 1419 (vs. ulimit of 5500) | | modules | C: hadoop-common-project/hadoop-common U: hadoop-common-project/hadoop-common | | Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/28968/console | | Powered by | Apache Yetus 0.8.0 http://yetus.apache.org | This message was automatically generated. > expired SampleStat need to be removed from SlowPeersReport > ---------------------------------------------------------- > > Key: HDFS-14783 > URL: https://issues.apache.org/jira/browse/HDFS-14783 > Project: Hadoop HDFS > Issue Type: Bug > Reporter: Haibin Huang > Assignee: Haibin Huang > Priority: Major > Attachments: HDFS-14783, HDFS-14783-001.patch, HDFS-14783-002.patch, > HDFS-14783-003.patch > > > SlowPeersReport is calculated by the SampleStat between tow dn, so it can > present on nn's jmx like this: > {code:java} > "SlowPeersReport" :[{"SlowNode":"dn2","ReportingNodes":["dn1"]}] > {code} > the SampleStat is stored in a LinkedBlockingDeque<SumAndCount>, it won't be > removed until the queue is full and a newest one is generated. Therefore, if > dn1 don't send any packet to dn2 for a long time, the old SampleStat will > keep staying in the queue, and will be used to calculated slowpeer.I think > these old SampleStats should be considered as expired message and ignore them > when generating a new SlowPeersReport. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org