[jira] [Commented] (KYLIN-3617) Reduce number of visiting metastore for job scheduler

[ASF GitHub Bot (JIRA)]

    [ 
https://issues.apache.org/jira/browse/KYLIN-3617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16713980#comment-16713980
 ] 

ASF GitHub Bot commented on KYLIN-3617:
---------------------------------------

codecov-io commented on issue #376: KYLIN-3617 Add javadoc for magic number in 
isTaskExecutableOutput
URL: https://github.com/apache/kylin/pull/376#issuecomment-445539111
 
 
   # [Codecov](https://codecov.io/gh/apache/kylin/pull/376?src=pr&el=h1) Report
   > :exclamation: No coverage uploaded for pull request base 
(`master@b169d2d`). [Click here to learn what that 
means](https://docs.codecov.io/docs/error-reference#section-missing-base-commit).
   > The diff coverage is `n/a`.
   
   [![Impacted file tree 
graph](https://codecov.io/gh/apache/kylin/pull/376/graphs/tree.svg?width=650&token=JawVgbgsVo&height=150&src=pr)](https://codecov.io/gh/apache/kylin/pull/376?src=pr&el=tree)
   
   ```diff
   @@            Coverage Diff            @@
   ##             master     #376   +/-   ##
   =========================================
     Coverage          ?   23.62%           
     Complexity        ?     4842           
   =========================================
     Files             ?     1131           
     Lines             ?    68236           
     Branches          ?     9690           
   =========================================
     Hits              ?    16118           
     Misses            ?    50549           
     Partials          ?     1569
   ```
   
   
   | [Impacted 
Files](https://codecov.io/gh/apache/kylin/pull/376?src=pr&el=tree) | Coverage Δ 
| Complexity Δ | |
   |---|---|---|---|
   | 
[...n/java/org/apache/kylin/job/dao/ExecutableDao.java](https://codecov.io/gh/apache/kylin/pull/376/diff?src=pr&el=tree#diff-Y29yZS1qb2Ivc3JjL21haW4vamF2YS9vcmcvYXBhY2hlL2t5bGluL2pvYi9kYW8vRXhlY3V0YWJsZURhby5qYXZh)
 | `33.17% <ø> (ø)` | `24 <0> (?)` | |
   
   ------
   
   [Continue to review full report at 
Codecov](https://codecov.io/gh/apache/kylin/pull/376?src=pr&el=continue).
   > **Legend** - [Click here to learn 
more](https://docs.codecov.io/docs/codecov-delta)
   > `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
   > Powered by 
[Codecov](https://codecov.io/gh/apache/kylin/pull/376?src=pr&el=footer). Last 
update 
[b169d2d...a193b52](https://codecov.io/gh/apache/kylin/pull/376?src=pr&el=lastupdated).
 Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
   

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> Reduce number of visiting metastore for job scheduler
> -----------------------------------------------------
>
>                 Key: KYLIN-3617
>                 URL: https://issues.apache.org/jira/browse/KYLIN-3617
>             Project: Kylin
>          Issue Type: Improvement
>          Components: Job Engine
>    Affects Versions: v2.4.1
>            Reporter: nichunen
>            Assignee: nichunen
>            Priority: Major
>             Fix For: v2.6.0
>
>         Attachments: image-2018-12-09-20-22-51-336.png, 
> image-2018-12-09-20-24-30-590.png, image-2018-12-09-20-25-40-265.png, 
> image-2018-12-09-20-26-30-105.png, image-2018-12-09-20-26-40-478.png
>
>
> For KYLIN-3470 introduced cache for jobs' metadata, it's also can be used in 
> job scheduler to reduce the pressure on metastore



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