Hi:
There are some databases named
cloudera_manager_metastore_canary_test_db_hive_hivemetastore_47eeceae20c69acc3391e93ce56ee1cc_*
in my hive . When I use drop databases to delete them,Some of them are
deleted,but Others can't.
FAILED: Execution Error, return code 1 from
org.apache.hadoop.hive.
Hi
I have a qustion that execting sql in hive failed.
There is my step:
[root@ljxz_hd_S1_125.88.254.153_61618_A ~]# erl
Erlang R16B01 (erts-5.10.2) [source] [64-bit] [smp:24:24]
[async-threads:10] [hipe] [kernel-poll:false]
Eshell V5.10.2 (abort with ^G)
1> odbc:start().
ok
2> {ok,Ref} = odbc:con
I collect data from a real-time system, we have not another database.
2014-08-29 0:59 GMT+08:00 Venkat V :
> Have you tried sqoop merge?
>
>
> On Thu, Aug 28, 2014 at 7:45 AM, 王洋 wrote:
>
>> Hello,
>> I have two table ,one is stored as textfile for loading d
them into 1 file. For text files, you can may have to reload these 2 files
> into another table with "Order By". This will force one reducer to generate
> total ordering and thereby generating 1 output file. But remember if the
> data size huge order by will take very long time.
Hello,
I have two table ,one is stored as textfile for loading data from
local data, the other is stored as rcfile for compressing data。
when I execute the following sql two times
* insert into table tablename1 select * from tablename2*
I find that there are two files in the wa
