kangkaisen created KYLIN-2547:
---------------------------------
Summary: Fix the bug of multi-process concurrence in
mergeCubeSegment
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: v2.0.0
There is a minor bug in "Update Cube Info" when build a cube and in
distributed env.
{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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