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Hadoop QA commented on TEZ-4157: -------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 11m 17s{color} | {color:blue} Docker mode activated. {color} | || || || || {color:brown} Prechecks {color} || | {color:green}+1{color} | {color:green} dupname {color} | {color:green} 0m 0s{color} | {color:green} No case conflicting files found. {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} master Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 34s{color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m 52s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 12s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 28s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 26s{color} | {color:green} master passed {color} | | {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue} 4m 56s{color} | {color:blue} Used deprecated FindBugs config; considering switching to SpotBugs. {color} | | {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 4m 52s{color} | {color:red} root in master has 2 extant findbugs warnings. {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 17s{color} | {color:blue} Maven dependency ordering for patch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 4m 0s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 11s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 2m 11s{color} | {color:green} the patch passed {color} | | {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange} 0m 22s{color} | {color:orange} tez-ext-service-tests: The patch generated 4 new + 31 unchanged - 7 fixed = 35 total (was 38) {color} | | {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange} 0m 23s{color} | {color:orange} tez-plugins/tez-aux-services: The patch generated 1 new + 68 unchanged - 8 fixed = 69 total (was 76) {color} | | {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange} 0m 41s{color} | {color:orange} root: The patch generated 5 new + 99 unchanged - 15 fixed = 104 total (was 114) {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} xml {color} | {color:green} 0m 4s{color} | {color:green} The patch has no ill-formed XML file. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 25s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 6m 28s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:green}+1{color} | {color:green} unit {color} | {color:green} 4m 3s{color} | {color:green} tez-ext-service-tests in the patch passed. {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 2m 46s{color} | {color:green} tez-aux-services in the patch passed. {color} | | {color:red}-1{color} | {color:red} unit {color} | {color:red} 47m 1s{color} | {color:red} root in the patch failed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 1m 18s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black}101m 44s{color} | {color:black} {color} | \\ \\ || Reason || Tests || | Failed junit tests | tez.test.TestRecovery | \\ \\ || Subsystem || Report/Notes || | Docker | ClientAPI=1.40 ServerAPI=1.40 base: https://ci-hadoop.apache.org/job/PreCommit-TEZ-Build/38/artifact/out/Dockerfile | | JIRA Issue | TEZ-4157 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/13013508/TEZ-4157.04.patch | | Optional Tests | dupname asflicense javac javadoc unit xml compile spotbugs findbugs checkstyle | | uname | Linux d6d7683767d1 4.15.0-60-generic #67-Ubuntu SMP Thu Aug 22 16:55:30 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | personality/tez.sh | | git revision | master / 16a005090 | | Default Java | Private Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01 | | findbugs | https://ci-hadoop.apache.org/job/PreCommit-TEZ-Build/38/artifact/out/branch-findbugs-root-warnings.html | | checkstyle | https://ci-hadoop.apache.org/job/PreCommit-TEZ-Build/38/artifact/out/diff-checkstyle-tez-ext-service-tests.txt | | checkstyle | https://ci-hadoop.apache.org/job/PreCommit-TEZ-Build/38/artifact/out/diff-checkstyle-tez-plugins_tez-aux-services.txt | | checkstyle | https://ci-hadoop.apache.org/job/PreCommit-TEZ-Build/38/artifact/out/diff-checkstyle-root.txt | | unit | https://ci-hadoop.apache.org/job/PreCommit-TEZ-Build/38/artifact/out/patch-unit-root.txt | | Test Results | https://ci-hadoop.apache.org/job/PreCommit-TEZ-Build/38/testReport/ | | Max. process+thread count | 1405 (vs. ulimit of 5500) | | modules | C: tez-ext-service-tests tez-plugins/tez-aux-services . U: . | | Console output | https://ci-hadoop.apache.org/job/PreCommit-TEZ-Build/38/console | | versions | git=2.17.1 maven=3.6.0 findbugs=3.0.1 | | Powered by | Apache Yetus 0.12.0 https://yetus.apache.org | This message was automatically generated. > ShuffleHandler: upgrade to netty4 > --------------------------------- > > Key: TEZ-4157 > URL: https://issues.apache.org/jira/browse/TEZ-4157 > Project: Apache Tez > Issue Type: Bug > Reporter: László Bodor > Assignee: László Bodor > Priority: Major > Attachments: TEZ-4157.01.patch, TEZ-4157.02.patch, TEZ-4157.03.patch, > TEZ-4157.04.patch > > > -In the dependency tree, there are 2 occurrences of compile scope direct > netty dependencies, however, they're not used at all. I compiled locally > successfully without them. E.g. when investigating blackduck alerts > (complaining about netty deps for current 3.10.5.Final), it would be cleaner > to start from a dependency tree where Tez doesn't depend on netty directly in > order to eliminate its responsibility (and move the focus to underlying > hadoop for instance).- > Tez depends on netty3 almost only in ShuffleHandler and some related classes. > We can eliminate netty3 by upgrading it, but this effort might involve some > testing due to fundamental [changes from > netty3->netty4|https://netty.io/wiki/new-and-noteworthy-in-4.0.html] + we > don't have a reference yet, as [hadoop's > ShuffleHandler|https://github.com/apache/hadoop/blob/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle/src/main/java/org/apache/hadoop/mapred/ShuffleHandler.java] > is still on netty3. > As per the netty documentation, we can also expect some performance > improvement (e.g. Pooled buffers). > Background: > netty4 migration guideline: > https://netty.io/wiki/new-and-noteworthy-in-4.0.html > articles of possible performance improvement: > https://blog.twitter.com/engineering/en_us/a/2013/netty-4-at-twitter-reduced-gc-overhead.html > https://developer.squareup.com/blog/upgrading-a-reverse-proxy-from-netty-3-to-4/ > -- This message was sent by Atlassian Jira (v8.3.4#803005)