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https://issues.apache.org/jira/browse/KYLIN-3671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16712188#comment-16712188
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ASF GitHub Bot commented on KYLIN-3671:
---------------------------------------
codecov-io edited a comment 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
> :exclamation: No coverage uploaded for pull request base
(`master@2979f40`). [Click here to learn what that
means](https://docs.codecov.io/docs/error-reference#section-missing-base-commit).
> The diff coverage is `18.36%`.
[](https://codecov.io/gh/apache/kylin/pull/367?src=pr&el=tree)
```diff
@@ Coverage Diff @@
## master #367 +/- ##
=========================================
Coverage ? 23.65%
Complexity ? 4879
=========================================
Files ? 1134
Lines ? 68611
Branches ? 9745
=========================================
Hits ? 16227
Misses ? 50796
Partials ? 1588
```
| [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> (?)` | |
|
[...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> (?)` | |
|
[...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> (?)` | |
|
[...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> (?)` | |
|
[...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> (?)` | |
|
[...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> (?)` | |
|
[.../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> (?)` | |
|
[.../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> (?)` | |
|
[...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> (?)` | |
|
[...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> (?)` | |
| ... and [34
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
[2979f40...f4cab16](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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