[jira] [Commented] (KYLIN-4509) get hive table rows from metadata when using beeline

Wed, 20 May 2020 05:45:09 -0700 


    [ 
https://issues.apache.org/jira/browse/KYLIN-4509?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17112146#comment-17112146
 ] 

ASF GitHub Bot commented on KYLIN-4509:
---------------------------------------

codecov-commenter commented on pull request #1223:
URL: https://github.com/apache/kylin/pull/1223#issuecomment-631449950


   # [Codecov](https://codecov.io/gh/apache/kylin/pull/1223?src=pr&el=h1) Report
   > Merging 
[#1223](https://codecov.io/gh/apache/kylin/pull/1223?src=pr&el=desc) into 
[master](https://codecov.io/gh/apache/kylin/commit/7886a2498178ded085497d6204b4b367f56ce0c8&el=desc)
 will **decrease** coverage by `0.00%`.
   > The diff coverage is `0.00%`.
   
   [![Impacted file tree 
graph](https://codecov.io/gh/apache/kylin/pull/1223/graphs/tree.svg?width=650&height=150&src=pr&token=JawVgbgsVo)](https://codecov.io/gh/apache/kylin/pull/1223?src=pr&el=tree)
   
   ```diff
   @@             Coverage Diff              @@
   ##             master    #1223      +/-   ##
   ============================================
   - Coverage     24.85%   24.84%   -0.01%     
   + Complexity     6266     6264       -2     
   ============================================
     Files          1453     1453              
     Lines         89225    89234       +9     
     Branches      12456    12459       +3     
   ============================================
   - Hits          22175    22171       -4     
   - Misses        64874    64885      +11     
   - Partials       2176     2178       +2     
   ```
   
   
   | [Impacted 
Files](https://codecov.io/gh/apache/kylin/pull/1223?src=pr&el=tree) | Coverage 
Δ | Complexity Δ | |
   |---|---|---|---|
   | 
[...rg/apache/kylin/source/hive/BeelineHiveClient.java](https://codecov.io/gh/apache/kylin/pull/1223/diff?src=pr&el=tree#diff-c291cmNlLWhpdmUvc3JjL21haW4vamF2YS9vcmcvYXBhY2hlL2t5bGluL3NvdXJjZS9oaXZlL0JlZWxpbmVIaXZlQ2xpZW50LmphdmE=)
 | `3.63% <0.00%> (-0.21%)` | `5.00 <0.00> (ø)` | |
   | 
[...he/kylin/dict/lookup/cache/RocksDBLookupTable.java](https://codecov.io/gh/apache/kylin/pull/1223/diff?src=pr&el=tree#diff-Y29yZS1kaWN0aW9uYXJ5L3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9reWxpbi9kaWN0L2xvb2t1cC9jYWNoZS9Sb2Nrc0RCTG9va3VwVGFibGUuamF2YQ==)
 | `72.97% <0.00%> (-5.41%)` | `6.00% <0.00%> (-1.00%)` | |
   | 
[...org/apache/kylin/rest/util/QueryRequestLimits.java](https://codecov.io/gh/apache/kylin/pull/1223/diff?src=pr&el=tree#diff-c2VydmVyLWJhc2Uvc3JjL21haW4vamF2YS9vcmcvYXBhY2hlL2t5bGluL3Jlc3QvdXRpbC9RdWVyeVJlcXVlc3RMaW1pdHMuamF2YQ==)
 | `35.71% <0.00%> (-4.77%)` | `5.00% <0.00%> (-1.00%)` | |
   | 
[.../apache/kylin/cube/cuboid/TreeCuboidScheduler.java](https://codecov.io/gh/apache/kylin/pull/1223/diff?src=pr&el=tree#diff-Y29yZS1jdWJlL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9reWxpbi9jdWJlL2N1Ym9pZC9UcmVlQ3Vib2lkU2NoZWR1bGVyLmphdmE=)
 | `63.84% <0.00%> (-2.31%)` | `0.00% <0.00%> (ø%)` | |
   | 
[...rg/apache/kylin/cube/inmemcubing/MemDiskStore.java](https://codecov.io/gh/apache/kylin/pull/1223/diff?src=pr&el=tree#diff-Y29yZS1jdWJlL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9reWxpbi9jdWJlL2lubWVtY3ViaW5nL01lbURpc2tTdG9yZS5qYXZh)
 | `70.21% <0.00%> (+0.91%)` | `7.00% <0.00%> (ø%)` | |
   
   ------
   
   [Continue to review full report at 
Codecov](https://codecov.io/gh/apache/kylin/pull/1223?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/1223?src=pr&el=footer). Last 
update 
[7886a24...a462843](https://codecov.io/gh/apache/kylin/pull/1223?src=pr&el=lastupdated).
 Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
   


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> get hive table rows from metadata when using beeline
> ----------------------------------------------------
>
>                 Key: KYLIN-4509
>                 URL: https://issues.apache.org/jira/browse/KYLIN-4509
>             Project: Kylin
>          Issue Type: Improvement
>    Affects Versions: v2.6.5, v3.0.1
>            Reporter: Guangxu Cheng
>            Assignee: Guangxu Cheng
>            Priority: Major
>
> Now by running SQL "select count(*) from table" to get the number of the hive 
> table records, the performance is relatively poor and will consume a lot of 
> resources. 



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