所以我使用以下文件作为输入: https://svn.apache.org/repos/asf/pig/trunk/tutorial/data/excite-small.log
我现在的代码是
-- FileName: excite-small.log
log = LOAD 'excite-small.log' AS (user, timestamp, query);
grpd = GROUP log BY user;
cntd = FOREACH grpd GENERATE group, COUNT(log);
STORE cntd INTO 'output'
我使用http://docs.aws.amazon.com/ElasticMapReduce/latest/DeveloperGuide/emr-pig-launch.html
中提到的步骤在EMR上运行此作业**我已设置以下参数**
1. For Script Location: s3://mybucket/test.pig
2. For Input Location: s3://mybucket/excite-small.log
3. For Output Location: s3://mybucket/
4. Arguments: Blank
当我运行此作业时,我收到错误Input path does not exist
。我认为这与REGISTER
有关但我不太确定。任何人都可以建议我做错了吗?
答案 0 :(得分:2)
在您的PIG脚本中,请完整参考输入文件,例如:
log = LOAD 's3://mybucket/excite-small.log' AS (user, timestamp, query);
或者,使用传入的INPUT路径:
log = LOAD '$INPUT' AS (user, timestamp, query);
在这里找到了一个很好的解释: