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Hadoop QA commented on HDDS-372: -------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 37s{color} | {color:blue} Docker mode activated. {color} | || || || || {color:brown} Prechecks {color} || | {color:green}+1{color} | {color:green} dupname {color} | {color:green} 0m 1s{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 3 new or modified test files. {color} | || || || || {color:brown} trunk Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 1m 9s{color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m 28s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 55s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 48s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 0s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 12m 40s{color} | {color:green} branch has no errors when building and testing our client artifacts. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 48s{color} | {color:green} trunk passed {color} | | {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue} 3m 33s{color} | {color:blue} Used deprecated FindBugs config; considering switching to SpotBugs. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 6m 18s{color} | {color:green} trunk passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 23s{color} | {color:blue} Maven dependency ordering for patch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 5m 55s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 53s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 2m 53s{color} | {color:green} the patch passed {color} | | {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange} 0m 26s{color} | {color:orange} hadoop-hdds: The patch generated 4 new + 0 unchanged - 0 fixed = 4 total (was 0) {color} | | {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange} 0m 22s{color} | {color:orange} hadoop-ozone: The patch generated 3 new + 0 unchanged - 0 fixed = 3 total (was 0) {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 0s{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} xml {color} | {color:green} 0m 2s{color} | {color:green} The patch has no ill-formed XML file. {color} | | {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 9m 55s{color} | {color:green} patch has no errors when building and testing our client artifacts. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 47s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 6m 37s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:red}-1{color} | {color:red} unit {color} | {color:red} 2m 32s{color} | {color:red} hadoop-hdds in the patch failed. {color} | | {color:red}-1{color} | {color:red} unit {color} | {color:red} 18m 2s{color} | {color:red} hadoop-ozone 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} 83m 4s{color} | {color:black} {color} | \\ \\ || Reason || Tests || | Failed junit tests | hadoop.ozone.container.common.TestDatanodeStateMachine | | | hadoop.ozone.TestOzoneConfigurationFields | \\ \\ || Subsystem || Report/Notes || | Docker | Client=17.05.0-ce Server=17.05.0-ce base: https://builds.apache.org/job/PreCommit-HDDS-Build/2633/artifact/out/Dockerfile | | JIRA Issue | HDDS-372 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12964831/HDDS-372.004.patch | | Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle xml | | uname | Linux 5192cf77b2ea 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /home/jenkins/jenkins-slave/workspace/PreCommit-HDDS-Build/ozone.sh | | git revision | trunk / eb03f7c | | maven | version: Apache Maven 3.3.9 | | Default Java | 1.8.0_191 | | findbugs | v3.1.0-RC1 | | checkstyle | https://builds.apache.org/job/PreCommit-HDDS-Build/2633/artifact/out/diff-checkstyle-hadoop-hdds.txt | | checkstyle | https://builds.apache.org/job/PreCommit-HDDS-Build/2633/artifact/out/diff-checkstyle-hadoop-ozone.txt | | unit | https://builds.apache.org/job/PreCommit-HDDS-Build/2633/artifact/out/patch-unit-hadoop-hdds.txt | | unit | https://builds.apache.org/job/PreCommit-HDDS-Build/2633/artifact/out/patch-unit-hadoop-ozone.txt | | Test Results | https://builds.apache.org/job/PreCommit-HDDS-Build/2633/testReport/ | | Max. process+thread count | 5838 (vs. ulimit of 10000) | | modules | C: hadoop-hdds/client hadoop-hdds/common hadoop-hdds/container-service hadoop-ozone/client hadoop-ozone/objectstore-service hadoop-ozone/tools U: . | | Console output | https://builds.apache.org/job/PreCommit-HDDS-Build/2633/console | | Powered by | Apache Yetus 0.10.0-SNAPSHOT http://yetus.apache.org | This message was automatically generated. > There are three buffer copies in BlockOutputStream > -------------------------------------------------- > > Key: HDDS-372 > URL: https://issues.apache.org/jira/browse/HDDS-372 > Project: Hadoop Distributed Data Store > Issue Type: Improvement > Components: Ozone Client > Reporter: Tsz Wo Nicholas Sze > Assignee: Shashikant Banerjee > Priority: Major > Attachments: HDDS-372.001.patch, HDDS-372.002.patch, > HDDS-372.003.patch, HDDS-372.004.patch, HDDS-372.20180829.patch > > > Currently, there are three buffer copies in ChunkOutputStream > # from byte[] to ByteBuffer, and > # from ByteBuffer to ByteString. > # from ByteString to ByteBuffer for checskum computation > We should eliminate the ByteBuffer in the middle. > For zero copy io, we should support WritableByteChannel instead of > OutputStream. 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