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https://issues.apache.org/jira/browse/MAPREDUCE-6441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16363354#comment-16363354
]
Hadoop QA commented on MAPREDUCE-6441:
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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} 0m
13s{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} 14m
51s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
21s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
13s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
22s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
8m 51s{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
37s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
20s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
22s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
19s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
19s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
11s{color} | {color:green}
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common:
The patch generated 0 new + 89 unchanged - 2 fixed = 89 total (was 91) {color}
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| {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}
10m 43s{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
40s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
20s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m
49s{color} | {color:green} hadoop-mapreduce-client-common in the patch passed.
{color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
16s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 40m 4s{color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:5b98639 |
| JIRA Issue | MAPREDUCE-6441 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12910481/MAPREDUCE-6441.011.patch
|
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit shadedclient findbugs checkstyle |
| uname | Linux c84ffea00227 4.4.0-43-generic #63-Ubuntu SMP Wed Oct 12
13:48:03 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 332269d |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_151 |
| findbugs | v3.1.0-RC1 |
| Test Results |
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7340/testReport/ |
| Max. process+thread count | 418 (vs. ulimit of 5500) |
| modules | C:
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common
U:
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common
|
| Console output |
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7340/console |
| Powered by | Apache Yetus 0.8.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> Improve temporary directory name generation in LocalDistributedCacheManager
> for concurrent processes
> ----------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-6441
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6441
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: William Watson
> Assignee: Ray Chiang
> Priority: Major
> Attachments: HADOOP-10924.02.patch,
> HADOOP-10924.03.jobid-plus-uuid.patch, MAPREDUCE-6441.004.patch,
> MAPREDUCE-6441.005.patch, MAPREDUCE-6441.006.patch, MAPREDUCE-6441.008.patch,
> MAPREDUCE-6441.009.patch, MAPREDUCE-6441.010.patch, MAPREDUCE-6441.011.patch
>
>
> Kicking off many sqoop processes in different threads results in:
> {code}
> 2014-08-01 13:47:24 -0400: INFO - 14/08/01 13:47:22 ERROR tool.ImportTool:
> Encountered IOException running import job: java.io.IOException:
> java.util.concurrent.ExecutionException: java.io.IOException: Rename cannot
> overwrite non empty destination directory
> /tmp/hadoop-hadoop/mapred/local/1406915233073
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.hadoop.mapred.LocalDistributedCacheManager.setup(LocalDistributedCacheManager.java:149)
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.hadoop.mapred.LocalJobRunner$Job.<init>(LocalJobRunner.java:163)
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.hadoop.mapred.LocalJobRunner.submitJob(LocalJobRunner.java:731)
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:432)
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.hadoop.mapreduce.Job$10.run(Job.java:1285)
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.hadoop.mapreduce.Job$10.run(Job.java:1282)
> 2014-08-01 13:47:24 -0400: INFO - at
> java.security.AccessController.doPrivileged(Native Method)
> 2014-08-01 13:47:24 -0400: INFO - at
> javax.security.auth.Subject.doAs(Subject.java:415)
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548)
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.hadoop.mapreduce.Job.submit(Job.java:1282)
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1303)
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.sqoop.mapreduce.ImportJobBase.doSubmitJob(ImportJobBase.java:186)
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.sqoop.mapreduce.ImportJobBase.runJob(ImportJobBase.java:159)
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.sqoop.mapreduce.ImportJobBase.runImport(ImportJobBase.java:239)
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.sqoop.manager.SqlManager.importQuery(SqlManager.java:645)
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.sqoop.tool.ImportTool.importTable(ImportTool.java:415)
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.sqoop.tool.ImportTool.run(ImportTool.java:502)
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.sqoop.Sqoop.run(Sqoop.java:145)
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:181)
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.sqoop.Sqoop.runTool(Sqoop.java:220)
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.sqoop.Sqoop.runTool(Sqoop.java:229)
> 2014-08-01 13:47:24 -0400: INFO - at
> org.apache.sqoop.Sqoop.main(Sqoop.java:238)
> {code}
> If two are kicked off in the same second. The issue is the following lines of
> code in the org.apache.hadoop.mapred.LocalDistributedCacheManager class:
> {code}
> // Generating unique numbers for FSDownload.
> AtomicLong uniqueNumberGenerator =
> new AtomicLong(System.currentTimeMillis());
> {code}
> and
> {code}
> Long.toString(uniqueNumberGenerator.incrementAndGet())),
> {code}
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