[jira] [Updated] (KYLIN-2547) Fix multi-process concurrence bug in UpdateCubeInfoXXStep

["Billy Liu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KYLIN-2547?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Billy Liu updated KYLIN-2547:
-----------------------------
    Fix Version/s: v2.3.0

> Fix multi-process concurrence bug in UpdateCubeInfoXXStep
> ---------------------------------------------------------
>
>                 Key: KYLIN-2547
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2547
>             Project: Kylin
>          Issue Type: Bug
>          Components: Metadata
>    Affects Versions: v2.0.0
>            Reporter: kangkaisen
>            Assignee: kangkaisen
>            Priority: Minor
>             Fix For: v2.3.0
>
>
> There is a minor bug in  "Update Cube Info" step when build a cube in distributed env, which will make this job failed,  but the next auto merge job won't be affected and will succeed. So the cube data still is consistent and correct. 
> {code:java}
>    Caused by: java.lang.IllegalStateException: Segments overlap: waimai_dolphin_topic_flow_activity_expose_food_d_cube[20170405000000_20170412000000] and waimai_dolphin_topic_flow_activity_expose_food_d_cube[20170405000000_20170412000000]
>         at org.apache.kylin.cube.CubeValidator.validate(CubeValidator.java:85)
>         at org.apache.kylin.cube.CubeManager.updateCubeWithRetry(CubeManager.java:359)
>         at org.apache.kylin.cube.CubeManager.updateCubeWithRetry(CubeManager.java:386)
>         at org.apache.kylin.cube.CubeManager.updateCube(CubeManager.java:302)
>         at org.apache.kylin.cube.CubeManager.mergeSegments(CubeManager.java:533)
>         at org.apache.kylin.rest.service.CubeService.mergeCubeSegment(CubeService.java:635)
>         at org.apache.kylin.rest.service.CubeService.updateOnNewSegmentReady(CubeService.java:587)
>         at org.apache.kylin.rest.service.CubeServiceFastClassBySpringCGLIB17a07c0e.invoke()
>         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
>         at org.springframework.aop.framework.CglibAopProxyDynamicAdvisedInterceptor.intercept(CglibAopProxy.java:629)
>         at org.apache.kylin.rest.service.CubeServiceEnhancerBySpringCGLIB$$c6fabb3f.updateOnNewSegmentReady()
>         at org.apache.kylin.rest.service.CacheService.rebuildCubeCache(CacheService.java:237)
>         at org.apache.kylin.rest.service.CacheService.access$000(CacheService.java:62)
>         at org.apache.kylin.rest.service.CacheService$1.afterCubeUpdate(CacheService.java:86)
>         at org.apache.kylin.cube.CubeManager.updateCube(CubeManager.java:305)
>         at org.apache.kylin.cube.CubeManager.promoteNewlyBuiltSegments(CubeManager.java:735)
>         at org.apache.kylin.engine.mr.steps.UpdateCubeInfoAfterBuildStep.doWork(UpdateCubeInfoAfterBuildStep.java:62)
>         at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:113)
>         ... 6 more
> {code}



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