Just so that this helps someone else... I found that the issue is with
metastore running on a MariaDB 10.0 with TokuDB engine 7.1
TokuDB does not support foreign keys, it allows the execution of the ALTER
TABLE statements, rebuilds the table for some reason but the foreign key
constraint is not ap
You metioned that 'The dataformat in src_click is
org.apache.hadoop.mapred.TextInputFormat and has been compressed .'
Can I ask you that which compression codec do you use?
发件人: 老赵
发送时间: 2014-12-08 13:12
收件人: user
主题: hive sql tune
Hello,
I am working for a Telecommunicaton Service Provider Comp
Hello,I am working for a Telecommunicaton Service Provider Company,So I can
access the view logs of different users from a specific area.Now I want to
query the top 1000 PV sites.I wrote a UDF named : parse_top_domain to get the
top domain of a host,like www1.google.com.hk -> google.com.hkand i