[ https://issues.apache.org/jira/browse/HIVE-18684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16498976#comment-16498976 ]
Hive QA commented on HIVE-18684: -------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || || || || || {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:brown} master Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m 57s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 57s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 34s{color} | {color:green} master passed {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 3m 28s{color} | {color:blue} ql in master has 2278 extant Findbugs warnings. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 51s{color} | {color:green} master passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 15s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 55s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 55s{color} | {color:green} the patch passed {color} | | {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 34s{color} | {color:red} ql: The patch generated 16 new + 2 unchanged - 4 fixed = 18 total (was 6) {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} findbugs {color} | {color:green} 3m 43s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 51s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 0m 11s{color} | {color:red} The patch generated 1 ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 20m 42s{color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Optional Tests | asflicense javac javadoc findbugs checkstyle compile | | uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux | | Build tool | maven | | Personality | /data/hiveptest/working/yetus_PreCommit-HIVE-Build-11435/dev-support/hive-personality.sh | | git revision | master / 4463c2b | | Default Java | 1.8.0_111 | | findbugs | v3.0.0 | | checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-11435/yetus/diff-checkstyle-ql.txt | | asflicense | http://104.198.109.242/logs//PreCommit-HIVE-Build-11435/yetus/patch-asflicense-problems.txt | | modules | C: ql U: ql | | Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-11435/yetus.txt | | Powered by | Apache Yetus http://yetus.apache.org | This message was automatically generated. > Race condition in RemoteSparkJobMonitor > --------------------------------------- > > Key: HIVE-18684 > URL: https://issues.apache.org/jira/browse/HIVE-18684 > Project: Hive > Issue Type: Sub-task > Components: Spark > Reporter: Sahil Takiar > Assignee: Sahil Takiar > Priority: Major > Attachments: HIVE-18684.1.patch, HIVE-18684.2.patch > > > There is a race condition in {{RemoteSparkJobMonitor}}. Sometimes the info in > {{RemoteSparkJobMonitor#startMonitor.STARTED}} gets printed out, sometimes it > doesn't. This can be easily verified by running a qtest on > {{TestMiniSparkOnYarnCliDriver}} and counting the number of times {{Query > Hive on Spark job}} is printed vs. the number of times {{Finished > successfully in}} gets printed. > The issue is that {{RemoteSparkJobMonitor}} runs every one second, and checks > the state of {{JobHandle}}. Depending on the state, it prints out some > logging info. The content of the logs contain an implicit assumption that > logs in the {{STARTED}} state are printed before the logs in the > {{SUCCEEDED}} state. However, this isn't always the case. The state > transitions are driven by how long the remote Spark job takes to run, and it > it finishes within one second then the logs in the {{STARTED}} state never > printed. > This can be confusing to users, and there is key debugging information that > is printed in the {{STARTED}} state. -- This message was sent by Atlassian JIRA (v7.6.3#76005)