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https://issues.apache.org/jira/browse/KYLIN-3671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16702753#comment-16702753
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ASF GitHub Bot commented on KYLIN-3671:
---------------------------------------
coveralls commented on issue #367: KYLIN-3671 Improve ResourceTool and
JDBCResourceStore's performance
URL: https://github.com/apache/kylin/pull/367#issuecomment-442716441
## Pull Request Test Coverage Report for [Build
3902](https://coveralls.io/builds/20352450)
* **266** of **1272** **(20.91%)** changed or added relevant lines in
**43** files are covered.
* **16** unchanged lines in **6** files lost coverage.
* Overall coverage increased (+**0.03%**) to **25.976%**
---
| Changes Missing Coverage | Covered Lines | Changed/Added Lines | % |
| :-----|--------------|--------|---: |
|
[core-common/src/main/java/org/apache/kylin/common/persistence/ContentReader.java](https://coveralls.io/builds/20352450/source?filename=core-common%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fkylin%2Fcommon%2Fpersistence%2FContentReader.java#L36)
| 10 | 11 | 90.91%
|
[core-cube/src/main/java/org/apache/kylin/cube/cli/CubeSignatureRefresher.java](https://coveralls.io/builds/20352450/source?filename=core-cube%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fkylin%2Fcube%2Fcli%2FCubeSignatureRefresher.java#L101)
| 0 | 1 | 0.0%
|
[core-cube/src/main/java/org/apache/kylin/cube/upgrade/common/MetadataVersionRefresher.java](https://coveralls.io/builds/20352450/source?filename=core-cube%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fkylin%2Fcube%2Fupgrade%2Fcommon%2FMetadataVersionRefresher.java#L64)
| 0 | 1 | 0.0%
|
[core-dictionary/src/main/java/org/apache/kylin/dict/DictionaryManager.java](https://coveralls.io/builds/20352450/source?filename=core-dictionary%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fkylin%2Fdict%2FDictionaryManager.java#L350)
| 2 | 3 | 66.67%
|
[engine-mr/src/main/java/org/apache/kylin/engine/mr/common/CubeStatsReader.java](https://coveralls.io/builds/20352450/source?filename=engine-mr%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fkylin%2Fengine%2Fmr%2Fcommon%2FCubeStatsReader.java#L105)
| 0 | 1 | 0.0%
|
[engine-mr/src/main/java/org/apache/kylin/engine/mr/steps/MergeDictionaryMapper.java](https://coveralls.io/builds/20352450/source?filename=engine-mr%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fkylin%2Fengine%2Fmr%2Fsteps%2FMergeDictionaryMapper.java#L139)
| 0 | 1 | 0.0%
|
[engine-mr/src/main/java/org/apache/kylin/engine/mr/steps/MergeStatisticsStep.java](https://coveralls.io/builds/20352450/source?filename=engine-mr%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fkylin%2Fengine%2Fmr%2Fsteps%2FMergeStatisticsStep.java#L80)
| 0 | 1 | 0.0%
|
[engine-mr/src/main/java/org/apache/kylin/engine/mr/steps/UpdateDictionaryStep.java](https://coveralls.io/builds/20352450/source?filename=engine-mr%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fkylin%2Fengine%2Fmr%2Fsteps%2FUpdateDictionaryStep.java#L131)
| 0 | 1 | 0.0%
|
[engine-spark/src/main/java/org/apache/kylin/engine/spark/SparkMergingDictionary.java](https://coveralls.io/builds/20352450/source?filename=engine-spark%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fkylin%2Fengine%2Fspark%2FSparkMergingDictionary.java#L245)
| 0 | 1 | 0.0%
|
[tool/src/main/java/org/apache/kylin/tool/CubeMetaExtractor.java](https://coveralls.io/builds/20352450/source?filename=tool%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fkylin%2Ftool%2FCubeMetaExtractor.java#L287)
| 2 | 3 | 66.67%
<!-- | **Total:** | **266** | **1272** | **20.91%** | -->
| Files with Coverage Reduction | New Missed Lines | % |
| :-----|--------------|--: |
|
[tool/src/main/java/org/apache/kylin/tool/CubeMigrationCLI.java](https://coveralls.io/builds/20352450/source?filename=tool%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fkylin%2Ftool%2FCubeMigrationCLI.java#L549)
| 1 | 0.0% |
|
[engine-mr/src/main/java/org/apache/kylin/engine/mr/common/JobRelatedMetaUtil.java](https://coveralls.io/builds/20352450/source?filename=engine-mr%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fkylin%2Fengine%2Fmr%2Fcommon%2FJobRelatedMetaUtil.java#L76)
| 1 | 0.0% |
|
[core-common/src/main/java/org/apache/kylin/common/persistence/ResourceStore.java](https://coveralls.io/builds/20352450/source?filename=core-common%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fkylin%2Fcommon%2Fpersistence%2FResourceStore.java#L725)
| 1 | 71.58% |
|
[core-cube/src/main/java/org/apache/kylin/cube/cuboid/TreeCuboidScheduler.java](https://coveralls.io/builds/20352450/source?filename=core-cube%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fkylin%2Fcube%2Fcuboid%2FTreeCuboidScheduler.java#L124)
| 2 | 68.46% |
|
[core-common/src/main/java/org/apache/kylin/common/persistence/JDBCResourceStore.java](https://coveralls.io/builds/20352450/source?filename=core-common%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fkylin%2Fcommon%2Fpersistence%2FJDBCResourceStore.java#L83)
| 5 | 0.0% |
|
[storage-hbase/src/main/java/org/apache/kylin/storage/hbase/HBaseResourceStore.java](https://coveralls.io/builds/20352450/source?filename=storage-hbase%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fkylin%2Fstorage%2Fhbase%2FHBaseResourceStore.java#L145)
| 6 | 0.0% |
<!-- | **Total:** | **16** | | -->
| Totals | [](https://coveralls.io/builds/20352450)
|
| :-- | --: |
| Change from base [Build 3901](https://coveralls.io/builds/20350670): |
0.03% |
| Covered Lines: | 17822 |
| Relevant Lines: | 68610 |
---
##### đź’› - [Coveralls](https://coveralls.io)
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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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