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https://issues.apache.org/jira/browse/MAPREDUCE-6718?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15514681#comment-15514681
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Hadoop QA commented on MAPREDUCE-6718:
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| (x) *{color:red}-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: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} 6m 
46s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 18s 
{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} mvneclipse {color} | {color:green} 0m 
13s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m 
28s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 13s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
16s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 15s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 15s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
11s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 19s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
10s {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} findbugs {color} | {color:green} 0m 
33s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 10s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 6m 37s 
{color} | {color:green} hadoop-mapreduce-client-hs 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} 18m 11s {color} 
| {color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:9560f25 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12817549/mapreduce6718.002.patch
 |
| JIRA Issue | MAPREDUCE-6718 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 9547b03bc9b7 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed 
Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / 40acace |
| Default Java | 1.8.0_101 |
| findbugs | v3.0.0 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6735/testReport/ |
| modules | C: 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs U: 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs |
| Console output | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6735/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> add progress log to JHS during startup
> --------------------------------------
>
>                 Key: MAPREDUCE-6718
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6718
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: jobhistoryserver
>            Reporter: Haibo Chen
>            Assignee: Haibo Chen
>            Priority: Minor
>              Labels: supportability
>         Attachments: mapreduce6718.001.patch, mapreduce6718.002.patch
>
>
> lWhen the JHS starts up, it initializes the internal caches and storage via 
> the HistoryFileManager. If we have a large number of existing finished jobs 
> then we could spent minutes in this startup phase without logging progress:
> 2016-03-14 10:56:01,444 INFO 
> org.apache.hadoop.mapreduce.v2.jobhistory.JobHistoryUtils: Default file 
> system [hdfs://hadoopcdh.itnas01.ieee.org:8020]
> 2016-03-14 10:56:11,455 INFO 
> org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager: Initializing Existing 
> Jobs...
> 2016-03-14 12:01:36,926 INFO 
> org.apache.hadoop.mapreduce.v2.hs.CachedHistoryStorage: CachedHistoryStorage 
> Init
> This makes it really difficult to assess if things are working correctly (it 
> looks hung). We can add logs to notify users of progress.



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