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https://issues.apache.org/jira/browse/KYLIN-3588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16626911#comment-16626911
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ASF GitHub Bot commented on KYLIN-3588:
---------------------------------------

codecov-io commented on issue #248: KYLIN-3588, fix potentially duplicate 
putting in RemoveBlackoutRealiz…
URL: https://github.com/apache/kylin/pull/248#issuecomment-424234716
 
 
   # [Codecov](https://codecov.io/gh/apache/kylin/pull/248?src=pr&el=h1) Report
   > Merging [#248](https://codecov.io/gh/apache/kylin/pull/248?src=pr&el=desc) 
into 
[master](https://codecov.io/gh/apache/kylin/commit/fc9444fd81cfebe96e0019ea0ca83c533db2951b?src=pr&el=desc)
 will **increase** coverage by `<.01%`.
   > The diff coverage is `0%`.
   
   [![Impacted file tree 
graph](https://codecov.io/gh/apache/kylin/pull/248/graphs/tree.svg?width=650&token=JawVgbgsVo&height=150&src=pr)](https://codecov.io/gh/apache/kylin/pull/248?src=pr&el=tree)
   
   ```diff
   @@             Coverage Diff              @@
   ##             master     #248      +/-   ##
   ============================================
   + Coverage     21.11%   21.12%   +<.01%     
   - Complexity     4403     4405       +2     
   ============================================
     Files          1087     1087              
     Lines         69878    69880       +2     
     Branches      10103    10103              
   ============================================
   + Hits          14756    14761       +5     
     Misses        53722    53722              
   + Partials       1400     1397       -3
   ```
   
   
   | [Impacted 
Files](https://codecov.io/gh/apache/kylin/pull/248?src=pr&el=tree) | Coverage Δ 
| Complexity Δ | |
   |---|---|---|---|
   | 
[.../routing/rules/RemoveBlackoutRealizationsRule.java](https://codecov.io/gh/apache/kylin/pull/248/diff?src=pr&el=tree#diff-cXVlcnkvc3JjL21haW4vamF2YS9vcmcvYXBhY2hlL2t5bGluL3F1ZXJ5L3JvdXRpbmcvcnVsZXMvUmVtb3ZlQmxhY2tvdXRSZWFsaXphdGlvbnNSdWxlLmphdmE=)
 | `0% <0%> (ø)` | `0 <0> (ø)` | :arrow_down: |
   | 
[...rg/apache/kylin/cube/inmemcubing/MemDiskStore.java](https://codecov.io/gh/apache/kylin/pull/248/diff?src=pr&el=tree#diff-Y29yZS1jdWJlL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9reWxpbi9jdWJlL2lubWVtY3ViaW5nL01lbURpc2tTdG9yZS5qYXZh)
 | `70.21% <0%> (+0.6%)` | `7% <0%> (ø)` | :arrow_down: |
   | 
[...a/org/apache/kylin/dict/Number2BytesConverter.java](https://codecov.io/gh/apache/kylin/pull/248/diff?src=pr&el=tree#diff-Y29yZS1kaWN0aW9uYXJ5L3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9reWxpbi9kaWN0L051bWJlcjJCeXRlc0NvbnZlcnRlci5qYXZh)
 | `82.53% <0%> (+0.79%)` | `18% <0%> (+1%)` | :arrow_up: |
   | 
[...he/kylin/dict/lookup/cache/RocksDBLookupTable.java](https://codecov.io/gh/apache/kylin/pull/248/diff?src=pr&el=tree#diff-Y29yZS1kaWN0aW9uYXJ5L3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9reWxpbi9kaWN0L2xvb2t1cC9jYWNoZS9Sb2Nrc0RCTG9va3VwVGFibGUuamF2YQ==)
 | `78.37% <0%> (+5.4%)` | `6% <0%> (+1%)` | :arrow_up: |
   
   ------
   
   [Continue to review full report at 
Codecov](https://codecov.io/gh/apache/kylin/pull/248?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/248?src=pr&el=footer). Last 
update 
[fc9444f...195fba6](https://codecov.io/gh/apache/kylin/pull/248?src=pr&el=lastupdated).
 Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
   

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> Potentially duplicate put to RemoveBlackoutRealizationsRule#filters map
> -----------------------------------------------------------------------
>
>                 Key: KYLIN-3588
>                 URL: https://issues.apache.org/jira/browse/KYLIN-3588
>             Project: Kylin
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: jiatao.tao
>            Priority: Minor
>
> Here is related code:
> {code}
>         IRealizationFilter filter = filters.get(conf);
>         if (filter == null) {
>             try {
>                 Class<? extends IRealizationFilter> clz = 
> ClassUtil.forName(conf.getQueryRealizationFilter(), IRealizationFilter.class);
>                 filter = 
> clz.getConstructor(KylinConfig.class).newInstance(conf);
>             } catch (Exception e) {
>                 throw new RuntimeException(e);
>             }
>             filters.put(conf, filter);
> {code}
> Two threads may find out there is no filter for conf, they would proceed with 
> creation of IRealizationFilter instances and try to put into the map.



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