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Hadoop QA commented on YARN-10607: ---------------------------------- | (/) *{color:green}+1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Logfile || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 1m 24s{color} | {color:blue}{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}{color} | {color:green} No case conflicting files found. {color} | | {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s{color} | {color:green}{color} | {color:green} The patch does not contain any @author tags. {color} | | {color:green}+1{color} | {color:green} {color} | {color:green} 0m 0s{color} | {color:green}test4tests{color} | {color:green} The patch appears to include 1 new or modified test files. {color} | || || || || {color:brown} trunk Compile Tests {color} || || | 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x86_64 GNU/Linux | | Build tool | maven | | Personality | personality/hadoop.sh | | git revision | trunk / 5e719bf5886 | | Default Java | Private Build-1.8.0_275-8u275-b01-0ubuntu1~20.04-b01 | | Multi-JDK versions | /usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.20.04 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_275-8u275-b01-0ubuntu1~20.04-b01 | | Test Results | https://ci-hadoop.apache.org/job/PreCommit-YARN-Build/588/testReport/ | | Max. process+thread count | 509 (vs. ulimit of 5500) | | modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager U: hadoop-yarn-project/hadoop-yarn | | Console output | https://ci-hadoop.apache.org/job/PreCommit-YARN-Build/588/console | | versions | git=2.25.1 maven=3.6.3 findbugs=4.0.6 | | Powered by | Apache Yetus 0.13.0-SNAPSHOT https://yetus.apache.org | This message was automatically generated. > User environment is unable to prepend PATH when mapreduce.admin.user.env also > sets PATH > --------------------------------------------------------------------------------------- > > Key: YARN-10607 > URL: https://issues.apache.org/jira/browse/YARN-10607 > Project: Hadoop YARN > Issue Type: Bug > Reporter: Eric Badger > Assignee: Eric Badger > Priority: Major > Attachments: YARN-10607.001.patch, YARN-10607.002.patch, > YARN-10607.003.patch > > > When using the tarball approach to ship relevant Hadoop jars to containers, > it is helpful to set {{mapreduce.admin.user.env}} to something like > {{PATH=./hadoop-tarball:\{\{PATH\}\}}} to make sure that all of the Hadoop > binaries are on the PATH. This way you can call {{hadoop}} instead of > {{./hadoop-tarball/hadoop}}. The intention here is to force prepend > {{./hadoop-tarball}} and then append the set {{PATH}} afterwards. But if a > user would like to override the appended portion of {{PATH}} in their > environment, they are unable to do so. This is because {{PATH}} ends up > getting parsed twice. Initially it is set via {{mapreduce.admin.user.env}} to > {{PATH=./hadoop-tarball:$SYS_PATH}}}. In this case {{SYS_PATH}} is what I'll > refer to as the normal system path. E.g. {{/usr/local/bin:/usr/bin}}, etc. > After this, the user env parsing happens. For example, let's say the user > sets their {{PATH}} to {{PATH=.:$PATH}}. We have already parsed {{PATH}} from > the admin.user.env. Then we go to parse the user environment and find the > user also specified {{PATH}}. So {{$PATH}} ends up getting getting expanded > to {{./hadoop-tarball:$SYS_PATH}}, which leads to the user's {{PATH}} being > {{PATH=.:./hadoop-tarball:$SYS_PATH}}. We then append this to {{PATH}}, which > has already been set in the environment map via the admin.user.env. So we > finally end up with > {{PATH=./hadoop-tarball:$SYS_PATH:.:./hadoop-tarball:$SYS_PATH}}. > This normally isn't a huge deal, but if you want to ship a version of > python/perl/etc. that clashes with the one that is already there in > {{SYS_PATH}}, you will need to refer to it by its full path. Since in the > above example, {{.}} doesn't appear until after {{$SYS_PATH}}. This is a pain > and it should be possible to prepend its {{PATH}} to override the > system/container {{SYS_PATH}}, even when also forcefully prepending to > {{PATH}} with you hadoop tarball. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org