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Hadoop QA commented on YARN-3841: --------------------------------- | (/) *{color:green}+1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 24m 42s{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} 24m 8s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 23s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 26s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 24s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 10m 59s{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 40s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 18s{color} | {color:green} trunk passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 26s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 22s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 22s{color} | {color:green} the patch passed {color} | | {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange} 0m 12s{color} | {color:orange} hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice: The patch generated 2 new + 1 unchanged - 1 fixed = 3 total (was 2) {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 21s{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} 11m 26s{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} 0m 38s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 16s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 2s{color} | {color:green} hadoop-yarn-server-timelineservice in the patch passed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 39s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 77m 33s{color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:4b8c2b1 | | JIRA Issue | YARN-3841 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12939532/YARN-3841.005.patch | | Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle | | uname | Linux ad5d56788244 4.4.0-133-generic #159-Ubuntu SMP Fri Aug 10 07:31:43 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /testptch/patchprocess/precommit/personality/provided.sh | | git revision | trunk / c6e19db | | maven | version: Apache Maven 3.3.9 | | Default Java | 1.8.0_181 | | findbugs | v3.1.0-RC1 | | checkstyle | https://builds.apache.org/job/PreCommit-YARN-Build/21829/artifact/out/diff-checkstyle-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-timelineservice.txt | | Test Results | https://builds.apache.org/job/PreCommit-YARN-Build/21829/testReport/ | | Max. process+thread count | 451 (vs. ulimit of 10000) | | modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice U: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice | | Console output | https://builds.apache.org/job/PreCommit-YARN-Build/21829/console | | Powered by | Apache Yetus 0.8.0 http://yetus.apache.org | This message was automatically generated. > [Storage implementation] Adding retry semantics to HDFS backing storage > ----------------------------------------------------------------------- > > Key: YARN-3841 > URL: https://issues.apache.org/jira/browse/YARN-3841 > Project: Hadoop YARN > Issue Type: Sub-task > Components: timelineserver > Reporter: Tsuyoshi Ozawa > Assignee: Abhishek Modi > Priority: Major > Labels: YARN-5355 > Attachments: YARN-3841-YARN-7055.002.patch, YARN-3841.001.patch, > YARN-3841.002.patch, YARN-3841.003.patch, YARN-3841.004.patch, > YARN-3841.005.patch > > > HDFS backing storage is useful for following scenarios. > 1. For Hadoop clusters which don't run HBase. > 2. For fallback from HBase when HBase cluster is temporary unavailable. > Quoting ATS design document of YARN-2928: > {quote} > In the case the HBase > storage is not available, the plugin should buffer the writes temporarily > (e.g. HDFS), and flush > them once the storage comes back online. Reading and writing to hdfs as the > the backup storage > could potentially use the HDFS writer plugin unless the complexity of > generalizing the HDFS > writer plugin for this purpose exceeds the benefits of reusing it here. > {quote} -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org