Re: "show table" throwing strange error

2013-06-30 Thread Mohammad Tariq
Hello all, Apologies for being unresponsive. Was busy with some urgent deliverable. Inspite of all your help and trying continuously for several days it didn't work. I tried almost everything, including whatever you guys had suggested. As a result I had to reconfigure Hive and now it's

Correct way of using regexserde

2013-06-30 Thread Mohammad Tariq
Hello list, I would really appreciate if someone could show me the correct way of using regexserde as i'm having some hard time using it. I have verified my regex through http://www.regexplanet.com/advanced/java/index.html and it's working fine there. But when i'm using the same pattern w

Re: Performance difference between tuning reducer num and partition table

2013-06-30 Thread Felix . 徐
Hi Dean, Thanks for your reply. If I don't set the number of reducers in the 1st run , the number of reducers will be much smaller and the performance will be worse. The total output file size is about 200MB, I see that many reduce output files are empty, only 10 of them have data. Another questi

Hive Compile Error: WrappedRuntimeException

2013-06-30 Thread Xun Tang
Hi, ** ** I am trying to compile hive 0.10. Build fails with error ‘WrappedRuntimeException’, related to this jira. https://issues.apache.org/jira/browse/HIVE-4231 ** ** The jira says ‘easy workaround: unset _JAVA_OPTIONS’. However, I didn’t set any java options, nor did