hive> select count(*) from kylin_sales limit 10;
Query ID = root_20181108175454_275f4f71-f877-43e0-8d51-b9b53a439a4b
Total jobs = 1
Launching Job 1 out of 1
Number of reduce tasks determined at compile time: 1
In order to change the average load for a reducer (in bytes):
set hive.exec.reducers.bytes.per.reducer=<number>
In order to limit the maximum number of reducers:
set hive.exec.reducers.max=<number>
In order to set a constant number of reducers:
set mapreduce.job.reduces=<number>
java.io.IOException: org.apache.hadoop.yarn.exceptions.YarnException: Failed to submit application_154167062 YARN : Application rejected by queue placement policy
at org.apache.hadoop.mapred.YARNRunner.submitJob(YARNRunner.java:336)
at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:244)
at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1307)
排查問(wèn)題
1.上面的報(bào)錯(cuò)與隊(duì)列相關(guān)
2.CDH yarn界面問(wèn)題排查隊(duì)列生成的樣子異常
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