Hi All
I configured Apache hadoop 1.0.1 and Hive 0.8.1 in my local linux box.
Configured the HADOOP_HOME and just try to run the "SHOW TABLES;" on hive,
but below error blocks me. I have nothing changed and all are standard
installations provided in the download section.
hive> SHOW TABLES;
Excep
Hi,
I have a question about the behavior of the class
org.apache.hadoop.hive.contrib.serde2.RegexSerDe. Here is the example I tested
using the Cloudra hive-0.7.1-cdh3u3 release. The above class did NOT do what I
expect, any one knows the reason?
user:~/tmp> more Test.javaimport java.io.*;impor
I am experiencing similar behavior in my queries. All the conditions for
bucketed map join are met, and the only difference in execution when i set
the hive.optimize.bucketmapjoin flag to true, is that instead of a single
hash table, multiple hash tables are created. All the Hash Tables are still
c
Thanks Bejoy and Nitin. I've read through the join presentation by Namit Jain
and Liyin Tang from Facebook and got some ideas on how to improve the join
performance.
* I understand how Map Joins work but wasn't clear on the workflow of
bucketed map joins. Is having map join enabled a pr
Thanks Thiruvel and Ed. Might be a dump question but how exactly do I get to to
audit Hive metastore audit logs. I looked through the JIRA but there isn't a
mention of the same. Also is there some variable/parameter I need to set/enable
for the audit logging to be turned on
-Original Messag
I am not sure of this but just making a guess from what i have learned
for getting row count i always run select count(1) from table
desc extended table tells the entire table metadata information but nothing
about the records inside the table
On Mon, Apr 2, 2012 at 9:20 PM, Ladda, Anand wrote: