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From "wangrupeng (Jira)" <j...@apache.org>
Subject [jira] [Commented] (KYLIN-4279) Mapreduce Exception when building cube at step 3
Date Sun, 01 Mar 2020 01:54:00 GMT

    [ https://issues.apache.org/jira/browse/KYLIN-4279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17048447#comment-17048447
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wangrupeng commented on KYLIN-4279:
-----------------------------------

Hi, 

    It seems like the problem of mapreduce job not kylin. I cannot find the root cause through
the log you shared.  You may check out your yarn log to get more details about your job failed
infomation. Besides, you'd better tell us your environment information(hdp or cdh version).

> Mapreduce Exception when building cube at step 3
> ------------------------------------------------
>
>                 Key: KYLIN-4279
>                 URL: https://issues.apache.org/jira/browse/KYLIN-4279
>             Project: Kylin
>          Issue Type: Bug
>          Components: Tools, Build and Test
>    Affects Versions: v2.6.4
>            Reporter: Kanivel
>            Priority: Major
>         Attachments: Screenshot from 2019-12-05 12-55-22.png, Screenshot from 2019-12-05
12-55-47.png
>
>
> I have setup hadoop multinode cluster through ambari .ambari running as master node and
hive running in another aws instance.I have installed kylin in master node and configured
hive instance in kylin.properties. I can create model,can create cube.But exception occur
when build cube.Build fails at 3rd step.When I check logs it shows Mapreduce exception.2nd
step also taking more time.I have 3 tables and each have 10 records.sales,customers,products.sales
is a fact table.customers and products are dimesions table..Please look at the attached screenshots.
> The below error I got,
> org.apache.kylin.engine.mr.exception.MapReduceException: Counters: 13 Job Counters Failed
map tasks=4 Killed reduce tasks=3 Launched map tasks=4 Other local map tasks=3 Data-local
map tasks=1 Total time spent by all maps in occupied slots (ms)=194628 Total time spent by
all reduces in occupied slots (ms)=0 Total time spent by all map tasks (ms)=27804 Total vcore-milliseconds
taken by all map tasks=27804 Total megabyte-milliseconds taken by all map tasks=199299072
Map-Reduce Framework CPU time spent (ms)=0 Physical memory (bytes) snapshot=0 Virtual memory
(bytes) snapshot=0 Job Diagnostics:Task failed task_1575385745059_0009_m_000000 Job failed
as tasks failed. failedMaps:1 failedReduces:0 killedMaps:0 killedReduces: 0 Failure task Diagnostics:
[2019-12-04 07:44:23.184]Exception from container-launch. Container id: container_e03_1575385745059_0009_01_000004
Exit code: 255 [2019-12-04 07:44:23.186]Container exited with a non-zero exit code 255. Error
file: prelaunch.err. Last 4096 bytes of prelaunch.err : Last 4096 bytes of stderr : [2019-12-04
07:44:23.186]Container exited with a non-zero exit code 255. Error file: prelaunch.err. Last
4096 bytes of prelaunch.err : Last 4096 bytes of stderr : at org.apache.kylin.engine.mr.common.MapReduceExecutable.doWork(MapReduceExecutable.java:173)
at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:167)
at org.apache.kylin.job.execution.DefaultChainedExecutable.doWork(DefaultChainedExecutable.java:71)
at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:167)
at org.apache.kylin.job.impl.threadpool.DefaultScheduler$JobRunner.run(DefaultScheduler.java:114)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
>  
>  
>  



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