[ https://issues.apache.org/jira/browse/MAPREDUCE-7131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16603429#comment-16603429
]
Hadoop QA commented on MAPREDUCE-7131:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 24m 43s{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:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 1m 4s{color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 17m 58s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 49s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 38s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 56s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 11m 54s{color}
| {color:green} branch has no errors when building and testing our client artifacts. {color}
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| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 19s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 48s{color} |
{color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 11s{color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 56s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 45s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 45s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 37s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 52s{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 45s{color}
| {color:green} patch has no errors when building and testing our client artifacts. {color}
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| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 32s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 40s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 50s{color} | {color:green}
hadoop-mapreduce-client-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 3m 38s{color} | {color:green}
hadoop-mapreduce-client-hs in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 24s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 84m 8s{color} | {color:black}
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:ba1ab08 |
| JIRA Issue | MAPREDUCE-7131 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12938279/MAPREDUCE-7131.4.patch
|
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit
shadedclient findbugs checkstyle |
| uname | Linux 8bbde31ab247 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 / 9e96ac6 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_181 |
| findbugs | v3.1.0-RC1 |
| Test Results | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7470/testReport/
|
| Max. process+thread count | 439 (vs. ulimit of 10000) |
| modules | C: hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs U: hadoop-mapreduce-project/hadoop-mapreduce-client
|
| Console output | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7470/console |
| Powered by | Apache Yetus 0.8.0 http://yetus.apache.org |
This message was automatically generated.
> Job History Server has race condition where it moves files from intermediate to finished
but thinks file is in intermediate
> ---------------------------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-7131
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7131
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 2.7.4
> Reporter: Anthony Hsu
> Assignee: Anthony Hsu
> Priority: Major
> Attachments: MAPREDUCE-7131.1.patch, MAPREDUCE-7131.2.patch, MAPREDUCE-7131.3.patch,
MAPREDUCE-7131.4.patch
>
>
> This is the race condition that can occur:
> # during the first *scanIntermediateDirectory()*, *HistoryFileInfo.moveToDone()* is scheduled
for job j1
> # during the second *scanIntermediateDirectory()*, j1 is found again and put in the *fileStatusList*
to process
> # *HistoryFileInfo.moveToDone()* is processed in another thread and history files are
moved to the finished directory
> # the *HistoryFileInfo* for j1 is removed from *jobListCache*
> # the j1 in *fileStatusList* is processed and a new *HistoryFileInfo* for j1 is created
(history, conf, and summary files will point to the intermediate user directory, and state
will be IN_INTERMEDIATE) and added to the *jobListCache*
> # *moveToDone()* is scheduled for this new j1
> # *moveToDone()* fails during *moveToDoneNow()* for the history file because the source
path in the intermediate directory does not exist
> From this point on, while the new j1 *HistoryFileInfo* is in the *jobListCache*, the
JobHistoryServer will think the history file is in the intermediate directory. If a user queries
this job in the JobHistoryServer UI, they will get
> {code}
> org.apache.hadoop.yarn.exceptions.YarnRuntimeException: Could not load history file <scheme>://<host>:<port>/mr-history/intermediate/<user>/job_1529348381246_27275711-1535123223269-<user>-<jobname>-1535127026668-1-0-SUCCEEDED-<queue>-1535126980787.jhist
> {code}
> Noticed this issue while running 2.7.4, but the race condition seems to still exist in
trunk.
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