[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=16660155#comment-16660155
 ] 

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

codecov-io edited a comment on issue #304: KYLIN-3617 Use job's cache in job 
scheduler
URL: https://github.com/apache/kylin/pull/304#issuecomment-431669562
 
 
   # [Codecov](https://codecov.io/gh/apache/kylin/pull/304?src=pr&el=h1) Report
   > :exclamation: No coverage uploaded for pull request base 
(`master@a0c662c`). [Click here to learn what that 
means](https://docs.codecov.io/docs/error-reference#section-missing-base-commit).
   > The diff coverage is `27.45%`.
   
   [![Impacted file tree 
graph](https://codecov.io/gh/apache/kylin/pull/304/graphs/tree.svg?width=650&token=JawVgbgsVo&height=150&src=pr)](https://codecov.io/gh/apache/kylin/pull/304?src=pr&el=tree)
   
   ```diff
   @@           Coverage Diff            @@
   ##             master    #304   +/-   ##
   ========================================
     Coverage          ?   21.3%           
     Complexity        ?    4448           
   ========================================
     Files             ?    1089           
     Lines             ?   70017           
     Branches          ?   10103           
   ========================================
     Hits              ?   14917           
     Misses            ?   53695           
     Partials          ?    1405
   ```
   
   
   | [Impacted 
Files](https://codecov.io/gh/apache/kylin/pull/304?src=pr&el=tree) | Coverage Δ 
| Complexity Δ | |
   |---|---|---|---|
   | 
[...lin/job/impl/threadpool/PriorityFetcherRunner.java](https://codecov.io/gh/apache/kylin/pull/304/diff?src=pr&el=tree#diff-Y29yZS1qb2Ivc3JjL21haW4vamF2YS9vcmcvYXBhY2hlL2t5bGluL2pvYi9pbXBsL3RocmVhZHBvb2wvUHJpb3JpdHlGZXRjaGVyUnVubmVyLmphdmE=)
 | `0% <0%> (ø)` | `0 <0> (?)` | |
   | 
[...ylin/job/impl/threadpool/DistributedScheduler.java](https://codecov.io/gh/apache/kylin/pull/304/diff?src=pr&el=tree#diff-Y29yZS1qb2Ivc3JjL21haW4vamF2YS9vcmcvYXBhY2hlL2t5bGluL2pvYi9pbXBsL3RocmVhZHBvb2wvRGlzdHJpYnV0ZWRTY2hlZHVsZXIuamF2YQ==)
 | `0% <0%> (ø)` | `0 <0> (?)` | |
   | 
[...he/kylin/job/impl/threadpool/DefaultScheduler.java](https://codecov.io/gh/apache/kylin/pull/304/diff?src=pr&el=tree#diff-Y29yZS1qb2Ivc3JjL21haW4vamF2YS9vcmcvYXBhY2hlL2t5bGluL2pvYi9pbXBsL3RocmVhZHBvb2wvRGVmYXVsdFNjaGVkdWxlci5qYXZh)
 | `68.53% <100%> (ø)` | `10 <1> (?)` | |
   | 
[...n/java/org/apache/kylin/job/dao/ExecutableDao.java](https://codecov.io/gh/apache/kylin/pull/304/diff?src=pr&el=tree#diff-Y29yZS1qb2Ivc3JjL21haW4vamF2YS9vcmcvYXBhY2hlL2t5bGluL2pvYi9kYW8vRXhlY3V0YWJsZURhby5qYXZh)
 | `33.17% <13.63%> (ø)` | `24 <2> (?)` | |
   | 
[.../apache/kylin/job/execution/ExecutableManager.java](https://codecov.io/gh/apache/kylin/pull/304/diff?src=pr&el=tree#diff-Y29yZS1qb2Ivc3JjL21haW4vamF2YS9vcmcvYXBhY2hlL2t5bGluL2pvYi9leGVjdXRpb24vRXhlY3V0YWJsZU1hbmFnZXIuamF2YQ==)
 | `34.5% <33.33%> (ø)` | `35 <2> (?)` | |
   | 
[...ylin/job/impl/threadpool/DefaultFetcherRunner.java](https://codecov.io/gh/apache/kylin/pull/304/diff?src=pr&el=tree#diff-Y29yZS1qb2Ivc3JjL21haW4vamF2YS9vcmcvYXBhY2hlL2t5bGluL2pvYi9pbXBsL3RocmVhZHBvb2wvRGVmYXVsdEZldGNoZXJSdW5uZXIuamF2YQ==)
 | `72.72% <85.71%> (ø)` | `10 <0> (?)` | |
   
   ------
   
   [Continue to review full report at 
Codecov](https://codecov.io/gh/apache/kylin/pull/304?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/304?src=pr&el=footer). Last 
update 
[a0c662c...bb0f0da](https://codecov.io/gh/apache/kylin/pull/304?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
>
>
> 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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