oozie - 输出数据超出其限制[2048]

Question

我正在尝试运行一个执行hive脚本的简单工作流程.这个hive脚本只调用join(表非常大); 一旦hive脚本执行结束,我就希望看到工作流状态从RUNNING变为成功,但这不会发生.

这是工作流日志的内容:

2016-05-31 15:52:34,590 WARN 

org.apache.oozie.action.hadoop.HiveActionExecutor: 
SERVER[hadoop02] U
SER[scapp] 
GROUP[-] 
TOKEN[] 
APP[wf-sqoop-hive-agreement] 
JOB[0000001-160531143657136-oozie-oozi-W] 
ACTION[0000001-160531143657136-oozie-oozi-W@hive-query-agreement] Launcher 
ERROR, reason: Main class [org.apache.oozie.action.hadoop.HiveMain], exception invoking main(), Output data exceeds its limit [2048] 2016-05-31 15:52:34,591 

WARN org.apache.oozie.action.hadoop.HiveActionExecutor: 
SERVER[hadoop02] 
USER[scapp] 
GROUP[-] 
TOKEN[] 
APP[wf-sqoop-hive-agreement] 
JOB[0000001-160531143657136-oozie-oozi-W] 
ACTION[0000001-160531143657136-oozie-oozi-W@hive-query-agreement] 
Launcher exception: Output data exceeds its limit [2048] 
org.apache.oozie.action.hadoop.LauncherException: Output data exceeds its limit [2048]  
at org.apache.oozie.action.hadoop.LauncherMapper.getLocalFileContentStr(LauncherMapper.java:415)    
at org.apache.oozie.action.hadoop.LauncherMapper.handleActionData(LauncherMapper.java:391)  
at org.apache.oozie.action.hadoop.LauncherMapper.map(LauncherMapper.java:275) at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)  
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:453)  
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)   
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163)     
at java.security.AccessController.doPrivileged(Native Method)   
at javax.security.auth.Subject.doAs(Subject.java:415)   
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1671)     
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)

Answer 1

@BorderStark我不认为该属性以MB为单位表示其大小.大小是"字符",即根据oozie-default.xml文件中的以下条目的字节.

<property>
     <name>oozie.action.max.output.data</name>
     <value>2048</value>
     <description>
         Max size in characters for output data.
     </description>
 </property>

Answer 2

我假设您可能<capture-output>在 hive 操作或工作流的任何其他操作中包含了元素。尝试从工作流中删除该元素并再次运行它。

<capture-output> 将保存 ssh 命令的 STDOUT 并且限制为 2KiB [2048 字节]

你可以在这里了解更多信息

Answer 3

我认为执行 HIVE 查询会产生巨大的输出，并且它不会被重定向到某个地方。

我建议您的选择查询的输出应该进入 HDFS 中的某个位置，因为您需要将选择查询的输出重定向到一些外部/内部 HIVE 表。

请参阅： https: //cwiki.apache.org/confluence/display/Hive/LanguageManual+DML#LanguageManualDML-Writingdataintothefilesystemfromqueries