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https://issues.apache.org/jira/browse/TEZ-4103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16986149#comment-16986149
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TezQA commented on TEZ-4103:
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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 
15s{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} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m  
9s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 
16s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
53s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
53s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m  
9s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m  
8s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
16s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
 4s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  
2s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m  
2s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
23s{color} | {color:green} tez-api: The patch generated 0 new + 2 unchanged - 5 
fixed = 2 total (was 7) {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
39s{color} | {color:green} tez-dag: The patch generated 0 new + 379 unchanged - 
1 fixed = 379 total (was 380) {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}  2m 
36s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m  
5s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  1m 
56s{color} | {color:green} tez-api in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  4m  
4s{color} | {color:green} tez-dag in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
28s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 24m 35s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=19.03.4 Server=19.03.4 Image:yetus/tez:d4a62deee |
| JIRA Issue | TEZ-4103 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12987308/TEZ-4103.003.patch |
| Optional Tests |  dupname  asflicense  javac  javadoc  unit  findbugs  
checkstyle  compile  |
| uname | Linux 5990cf679540 4.15.0-70-generic #79-Ubuntu SMP Tue Nov 12 
10:36:11 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | master / 1af0897 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_222 |
| findbugs | v3.0.1 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-TEZ-Build/208/testReport/ |
| Max. process+thread count | 220 (vs. ulimit of 5500) |
| modules | C: tez-api tez-dag U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-TEZ-Build/208/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> Progress in DAG, Vertex, and tasks is incorrect
> -----------------------------------------------
>
>                 Key: TEZ-4103
>                 URL: https://issues.apache.org/jira/browse/TEZ-4103
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Ahmed Hussein
>            Assignee: Ahmed Hussein
>            Priority: Major
>         Attachments: TEZ-4103.001.patch, TEZ-4103.002.patch, 
> TEZ-4103.003.patch
>
>
> Looking at the progress code, there some few issues that could lead to some 
> problems calculating the progress.
>  There are some cases when the progress never reach 1.0.
>  This is a list of issues that need to be fixed in the progress code:
>  * After TEZ-3982, since values are skipped in the In some cases, the 
> progress of DAG or a vertex may never reach 1.0f. this is in both 
> "{{DAGImpl.java}}" and "{{ProgressHelper.java}}"
>  * {{ProgressHelper}} schedules a service to update the progress, dubbed 
> `{{ProgressHelper.monitorProgress}}`. According to Java Documentation:
> {quote}If any execution of the task encounters an exception,
>  subsequent executions are suppressed.
>  Otherwise, the task will only terminate via cancellation
>  or termination of the executor.
> {quote}
> In other words, if the service dies, there is no way to catch that in the 
> code and the progress will never be updated.
>  * The `{{SimpleProcessor.inputMap}}` is not thread-safe. They are 
> initialized as `{{LinkedHashMap}}` and there is no synchronization on the 
> field objects in the map. This could be problematic in concurrent context.
>  * `{{VertexImpl.getProgress()}}` does not check the range of the progress 
> calculated in `{{VertexImpl.computeProgress()}}`
>   



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