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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KYLIN-3671) Improve ResourceTool and JDBCResourceStore's performance
Date Thu, 29 Nov 2018 06:02:00 GMT

    [ https://issues.apache.org/jira/browse/KYLIN-3671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16702754#comment-16702754
] 

ASF GitHub Bot commented on KYLIN-3671:
---------------------------------------

codecov-io commented on issue #367: KYLIN-3671 Improve ResourceTool and JDBCResourceStore's
performance
URL: https://github.com/apache/kylin/pull/367#issuecomment-442716574
 
 
   # [Codecov](https://codecov.io/gh/apache/kylin/pull/367?src=pr&el=h1) Report
   > Merging [#367](https://codecov.io/gh/apache/kylin/pull/367?src=pr&el=desc) into
[master](https://codecov.io/gh/apache/kylin/commit/be5df4a8bb6939c0c62c6135c4312fe3ad56775d?src=pr&el=desc)
will **increase** coverage by `0.01%`.
   > The diff coverage is `18.23%`.
   
   [![Impacted file tree graph](https://codecov.io/gh/apache/kylin/pull/367/graphs/tree.svg?width=650&token=JawVgbgsVo&height=150&src=pr)](https://codecov.io/gh/apache/kylin/pull/367?src=pr&el=tree)
   
   ```diff
   @@             Coverage Diff              @@
   ##             master     #367      +/-   ##
   ============================================
   + Coverage     23.63%   23.65%   +0.01%     
   - Complexity     4837     4876      +39     
   ============================================
     Files          1131     1134       +3     
     Lines         68193    68610     +417     
     Branches       9684     9744      +60     
   ============================================
   + Hits          16119    16230     +111     
   - Misses        50507    50792     +285     
   - Partials       1567     1588      +21
   ```
   
   
   | [Impacted Files](https://codecov.io/gh/apache/kylin/pull/367?src=pr&el=tree) | Coverage
Δ | Complexity Δ | |
   |---|---|---|---|
   | [.../java/org/apache/kylin/common/util/HadoopUtil.java](https://codecov.io/gh/apache/kylin/pull/367/diff?src=pr&el=tree#diff-Y29yZS1jb21tb24vc3JjL21haW4vamF2YS9vcmcvYXBhY2hlL2t5bGluL2NvbW1vbi91dGlsL0hhZG9vcFV0aWwuamF2YQ==)
| `17.85% <ø> (ø)` | `10 <0> (ø)` | :arrow_down: |
   | [...che/kylin/storage/hbase/util/CubeMigrationCLI.java](https://codecov.io/gh/apache/kylin/pull/367/diff?src=pr&el=tree#diff-c3RvcmFnZS1oYmFzZS9zcmMvbWFpbi9qYXZhL29yZy9hcGFjaGUva3lsaW4vc3RvcmFnZS9oYmFzZS91dGlsL0N1YmVNaWdyYXRpb25DTEkuamF2YQ==)
| `0% <0%> (ø)` | `0 <0> (ø)` | :arrow_down: |
   | [...a/org/apache/kylin/tool/ExtendCubeToHybridCLI.java](https://codecov.io/gh/apache/kylin/pull/367/diff?src=pr&el=tree#diff-dG9vbC9zcmMvbWFpbi9qYXZhL29yZy9hcGFjaGUva3lsaW4vdG9vbC9FeHRlbmRDdWJlVG9IeWJyaWRDTEkuamF2YQ==)
| `0% <0%> (ø)` | `0 <0> (ø)` | :arrow_down: |
   | [...n/java/org/apache/kylin/tool/CubeMetaIngester.java](https://codecov.io/gh/apache/kylin/pull/367/diff?src=pr&el=tree#diff-dG9vbC9zcmMvbWFpbi9qYXZhL29yZy9hcGFjaGUva3lsaW4vdG9vbC9DdWJlTWV0YUluZ2VzdGVyLmphdmE=)
| `0% <0%> (ø)` | `0 <0> (ø)` | :arrow_down: |
   | [...apache/kylin/engine/mr/common/CubeStatsReader.java](https://codecov.io/gh/apache/kylin/pull/367/diff?src=pr&el=tree#diff-ZW5naW5lLW1yL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9reWxpbi9lbmdpbmUvbXIvY29tbW9uL0N1YmVTdGF0c1JlYWRlci5qYXZh)
| `0% <0%> (ø)` | `0 <0> (ø)` | :arrow_down: |
   | [...n/java/org/apache/kylin/tool/CubeMigrationCLI.java](https://codecov.io/gh/apache/kylin/pull/367/diff?src=pr&el=tree#diff-dG9vbC9zcmMvbWFpbi9qYXZhL29yZy9hcGFjaGUva3lsaW4vdG9vbC9DdWJlTWlncmF0aW9uQ0xJLmphdmE=)
| `0% <0%> (ø)` | `0 <0> (ø)` | :arrow_down: |
   | [.../java/org/apache/kylin/rest/job/HybridCubeCLI.java](https://codecov.io/gh/apache/kylin/pull/367/diff?src=pr&el=tree#diff-c2VydmVyLWJhc2Uvc3JjL21haW4vamF2YS9vcmcvYXBhY2hlL2t5bGluL3Jlc3Qvam9iL0h5YnJpZEN1YmVDTEkuamF2YQ==)
| `0% <0%> (ø)` | `0 <0> (ø)` | :arrow_down: |
   | [.../apache/kylin/cube/cli/CubeSignatureRefresher.java](https://codecov.io/gh/apache/kylin/pull/367/diff?src=pr&el=tree#diff-Y29yZS1jdWJlL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9reWxpbi9jdWJlL2NsaS9DdWJlU2lnbmF0dXJlUmVmcmVzaGVyLmphdmE=)
| `0% <0%> (ø)` | `0 <0> (ø)` | :arrow_down: |
   | [...he/kylin/common/persistence/JDBCResourceStore.java](https://codecov.io/gh/apache/kylin/pull/367/diff?src=pr&el=tree#diff-Y29yZS1jb21tb24vc3JjL21haW4vamF2YS9vcmcvYXBhY2hlL2t5bGluL2NvbW1vbi9wZXJzaXN0ZW5jZS9KREJDUmVzb3VyY2VTdG9yZS5qYXZh)
| `0% <0%> (ø)` | `0 <0> (ø)` | :arrow_down: |
   | [...e/kylin/engine/mr/steps/MergeDictionaryMapper.java](https://codecov.io/gh/apache/kylin/pull/367/diff?src=pr&el=tree#diff-ZW5naW5lLW1yL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9reWxpbi9lbmdpbmUvbXIvc3RlcHMvTWVyZ2VEaWN0aW9uYXJ5TWFwcGVyLmphdmE=)
| `0% <0%> (ø)` | `0 <0> (ø)` | :arrow_down: |
   | ... and [43 more](https://codecov.io/gh/apache/kylin/pull/367/diff?src=pr&el=tree-more)
| |
   
   ------
   
   [Continue to review full report at Codecov](https://codecov.io/gh/apache/kylin/pull/367?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/367?src=pr&el=footer).
Last update [be5df4a...ad8b780](https://codecov.io/gh/apache/kylin/pull/367?src=pr&el=lastupdated).
Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
   

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> Improve ResourceTool and JDBCResourceStore's performance
> --------------------------------------------------------
>
>                 Key: KYLIN-3671
>                 URL: https://issues.apache.org/jira/browse/KYLIN-3671
>             Project: Kylin
>          Issue Type: Improvement
>          Components: Metadata
>    Affects Versions: v2.5.0
>            Reporter: Jinfeng Wu
>            Assignee: Lijun Cao
>            Priority: Minor
>             Fix For: v2.6.0
>
>   Original Estimate: 72h
>  Remaining Estimate: 72h
>
> 1.Set TRANSACTION_READ_COMMITTED as default isolation level in JDBCResourceStore for
best performance.
> 2.Support to get metadata resource in bulk & use ”visitFolderAndContent“ method
to get metadata by folder.
> 3.Use Multithreading to download and upload metadata.
> 4.U can see the progress bar if u use metastore.sh to backup or restore metadata.



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