root cause: java.lang.OutOfMemoryError: GC overhead
How many dimensions in the cube? if you can share the cube JSON, that would
be helpful for trouble shooting.
2017-02-13 10:53 GMT+08:00 不清 <452652...@qq.com>:
> kylin社区,您好!
>
> 是手机号作为维度,这个维度的去重值在500w~1500w。
> 我是使用的integer 编码 然后length设置为8. 测试的
ut for error B,should I fix this problem for whole hadoop cluster? Can
> you speak the parameter fix in detail?
>
> This really helped us a lot!
>
>
> -- 原始邮件 --
> *发件人:* "Alberto Ramón";;
> *发送时间:* 2017年2月13日(星期一) 下午3:58
> *收件
Hello 不清
>From your errors: "Failed to build cube in mapper " &
A- "java.lang.OutOfMemoryError: Java heap space at java" &
B- "java.lang.OutOfMemoryError: GC overhead limit"
For error A:Check override this parameters from kylin:
* kylin.job.mr.config.override.mapred.map.child.java.opts=-Xmx8