[jira] [Updated] (HUDI-6669) HoodieEngineContext should not use parallel stream with parallelism greater than CPU cores

["Prashant Wason (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HUDI-6669?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Prashant Wason updated HUDI-6669:
---------------------------------
    Fix Version/s: 0.14.1
                       (was: 0.14.0)

> HoodieEngineContext should not use parallel stream with parallelism greater than CPU cores
> ------------------------------------------------------------------------------------------
>
>                 Key: HUDI-6669
>                 URL: https://issues.apache.org/jira/browse/HUDI-6669
>             Project: Apache Hudi
>          Issue Type: Improvement
>          Components: core
>            Reporter: Nicholas Jiang
>            Assignee: Nicholas Jiang
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.14.1
>
>
> HoodieEngineContext should not use parallel stream with parallelism greater than CPU cores to avoid {{OutOfMemoryError}} of {{{}ForkJoinTask{}}}, of which stacktrace as follows:
> {code:java}
> Caused by: java.lang.OutOfMemoryError at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at java.util.concurrent.ForkJoinTask.getThrowableException(ForkJoinTask.java:598) at java.util.concurrent.ForkJoinTask.reportException(ForkJoinTask.java:677) at java.util.concurrent.ForkJoinTask.invoke(ForkJoinTask.java:735) at java.util.stream.ReduceOps$ReduceOp.evaluateParallel(ReduceOps.java:714) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:233) at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) at org.apache.hudi.client.common.HoodieFlinkEngineContext.map(HoodieFlinkEngineContext.java:101) at org.apache.hudi.table.action.clean.CleanPlanActionExecutor.requestClean(CleanPlanActionExecutor.java:117) at org.apache.hudi.table.action.clean.CleanPlanActionExecutor.requestClean(CleanPlanActionExecutor.java:145) at org.apache.hudi.table.action.clean.CleanPlanActionExecutor.execute(CleanPlanActionExecutor.java:170) at org.apache.hudi.table.HoodieFlinkCopyOnWriteTable.scheduleCleaning(HoodieFlinkCopyOnWriteTable.java:353) at org.apache.hudi.client.BaseHoodieWriteClient.scheduleTableServiceInternal(BaseHoodieWriteClient.java:1434) at org.apache.hudi.client.BaseHoodieWriteClient.clean(BaseHoodieWriteClient.java:891) at org.apache.hudi.async.AsyncCleanerService.lambda$startService$0(AsyncCleanerService.java:68) at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590) {code}
>  



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