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Hadoop QA commented on HDFS-11014: ---------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 16m 47s{color} | {color:blue} Docker mode activated. {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:red}-1{color} | {color:red} test4tests {color} | {color:red} 0m 0s{color} | {color:red} The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch. {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 11m 45s{color} | {color:green} HDFS-8707 passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 34s{color} | {color:green} HDFS-8707 passed with JDK v1.8.0_101 {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 12s{color} | {color:green} HDFS-8707 passed with JDK v1.7.0_111 {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 17s{color} | {color:green} HDFS-8707 passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 13s{color} | {color:green} HDFS-8707 passed {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 9s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 17s{color} | {color:green} the patch passed with JDK v1.8.0_101 {color} | | {color:red}-1{color} | {color:red} cc {color} | {color:red} 6m 17s{color} | {color:red} hadoop-hdfs-project_hadoop-hdfs-native-client-jdk1.8.0_101 with JDK v1.8.0_101 generated 1 new + 2 unchanged - 1 fixed = 3 total (was 3) {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 6m 17s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 14s{color} | {color:green} the patch passed with JDK v1.7.0_111 {color} | | {color:green}+1{color} | {color:green} cc {color} | {color:green} 6m 14s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 6m 14s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 13s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 8s{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} unit {color} | {color:green} 9m 18s{color} | {color:green} hadoop-hdfs-native-client in the patch passed with JDK v1.7.0_111. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 20s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 75m 4s{color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Docker | Image:yetus/hadoop:78fc6b6 | | JIRA Issue | HDFS-11014 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12833391/HDFS-11014.HDFS-8707.000.patch | | Optional Tests | asflicense compile cc mvnsite javac unit | | uname | Linux 910dcda5be4c 3.13.0-96-generic #143-Ubuntu SMP Mon Aug 29 20:15:20 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh | | git revision | HDFS-8707 / ba51b7c | | Default Java | 1.7.0_111 | | Multi-JDK versions | /usr/lib/jvm/java-8-oracle:1.8.0_101 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_111 | | cc | https://builds.apache.org/job/PreCommit-HDFS-Build/17158/artifact/patchprocess/diff-compile-cc-hadoop-hdfs-project_hadoop-hdfs-native-client-jdk1.8.0_101.txt | | JDK v1.7.0_111 Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/17158/testReport/ | | modules | C: hadoop-hdfs-project/hadoop-hdfs-native-client U: hadoop-hdfs-project/hadoop-hdfs-native-client | | Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/17158/console | | Powered by | Apache Yetus 0.4.0-SNAPSHOT http://yetus.apache.org | This message was automatically generated. > libhdfs++: Make connection to HA clusters faster > ------------------------------------------------ > > Key: HDFS-11014 > URL: https://issues.apache.org/jira/browse/HDFS-11014 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: hdfs-client > Reporter: James Clampffer > Assignee: James Clampffer > Priority: Minor > Attachments: HDFS-11014.HDFS-8707.000.patch > > > Right now when we get a StandbyException from the NN we inject a 20 second > delay before we try the alternate NN even if it's the first failover. The > first failover shouldn't have a delay (java client skips delay on first > failover). > Another minor change I'd like to make is to reduce the default number of > failover attempts from 15 (used in the apache config) to 4. My impression is > that higher numbers of failovers are really handy for longer running batch > jobs but in the libhdfs++ case the client is often an interactive > application. In this case it's generally preferable to fail sooner so a user > doesn't have to wait the ~8 minutes to time out when using default settings. > 4 failovers is based on the assumption that if we can't immediately connect > there is either a GC pause which will most likely be finished before the > second connection attempt or it's a network or config issue that will take > some sorting out by an admin. It'd still be possible to override these in > the config for more tuning if a specific deployment tends to have more or > less network issues. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org