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Hadoop QA commented on MAPREDUCE-7169: -------------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 24s{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 2 new or modified test files. {color} | || || || || {color:brown} trunk Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 17m 4s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 31s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 35s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 32s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 13m 33s{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} 0m 42s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 24s{color} | {color:green} trunk passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:red}-1{color} | {color:red} mvninstall {color} | {color:red} 0m 16s{color} | {color:red} hadoop-mapreduce-client-app in the patch failed. {color} | | {color:red}-1{color} | {color:red} compile {color} | {color:red} 0m 17s{color} | {color:red} hadoop-mapreduce-client-app in the patch failed. {color} | | {color:red}-1{color} | {color:red} javac {color} | {color:red} 0m 17s{color} | {color:red} hadoop-mapreduce-client-app in the patch failed. {color} | | {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange} 0m 28s{color} | {color:orange} hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app: The patch generated 5 new + 463 unchanged - 1 fixed = 468 total (was 464) {color} | | {color:red}-1{color} | {color:red} mvnsite {color} | {color:red} 0m 18s{color} | {color:red} hadoop-mapreduce-client-app in the patch failed. {color} | | {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m 0s{color} | {color:red} The patch has 5 line(s) that end in whitespace. Use git apply --whitespace=fix <<patch_file>>. Refer https://git-scm.com/docs/git-apply {color} | | {color:red}-1{color} | {color:red} shadedclient {color} | {color:red} 4m 8s{color} | {color:red} patch has errors when building and testing our client artifacts. {color} | | {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 0m 20s{color} | {color:red} hadoop-mapreduce-client-app in the patch failed. {color} | | {color:red}-1{color} | {color:red} javadoc {color} | {color:red} 0m 21s{color} | {color:red} hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app generated 1 new + 0 unchanged - 0 fixed = 1 total (was 0) {color} | || || || || {color:brown} Other Tests {color} || | {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 21s{color} | {color:red} hadoop-mapreduce-client-app in the patch failed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 28s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 40m 46s{color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Docker | Client=19.03.5 Server=19.03.5 Image:yetus/hadoop:104ccca9169 | | JIRA Issue | MAPREDUCE-7169 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12986030/MAPREDUCE-7169-002.patch | | Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle | | uname | Linux 158b42a0439b 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 / b3119b9 | | maven | version: Apache Maven 3.3.9 | | Default Java | 1.8.0_222 | | findbugs | v3.1.0-RC1 | | mvninstall | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7687/artifact/out/patch-mvninstall-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app.txt | | compile | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7687/artifact/out/patch-compile-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app.txt | | javac | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7687/artifact/out/patch-compile-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app.txt | | checkstyle | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7687/artifact/out/diff-checkstyle-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app.txt | | mvnsite | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7687/artifact/out/patch-mvnsite-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app.txt | | whitespace | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7687/artifact/out/whitespace-eol.txt | | findbugs | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7687/artifact/out/patch-findbugs-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app.txt | | javadoc | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7687/artifact/out/diff-javadoc-javadoc-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app.txt | | unit | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7687/artifact/out/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app.txt | | Test Results | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7687/testReport/ | | Max. process+thread count | 415 (vs. ulimit of 5500) | | modules | C: hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app U: hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app | | Console output | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7687/console | | Powered by | Apache Yetus 0.8.0 http://yetus.apache.org | This message was automatically generated. > Speculative attempts should not run on the same node > ---------------------------------------------------- > > Key: MAPREDUCE-7169 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-7169 > Project: Hadoop Map/Reduce > Issue Type: New Feature > Components: yarn > Affects Versions: 2.7.2 > Reporter: Lee chen > Assignee: Bilwa S T > Priority: Major > Attachments: MAPREDUCE-7169-001.patch, MAPREDUCE-7169-002.patch, > image-2018-12-03-09-54-07-859.png > > > I found in all versions of yarn, Speculative Execution may set the > speculative task to the node of original task.What i have read is only it > will try to have one more task attempt. haven't seen any place mentioning not > on same node.It is unreasonable.If the node have some problems lead to tasks > execution will be very slow. and then placement the speculative task to same > node cannot help the problematic task. > In our cluster (version 2.7.2,2700 nodes),this phenomenon appear > almost everyday. > !image-2018-12-03-09-54-07-859.png! 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