hive jdbc里面还有好多方法没有实现。具体自己查看源代码吧。
在 2012年3月26日 下午3:15，王锋 wfeng1...@163.com写道：
Hi,all
when I using hive through jdbc,and execute the code below.
Statement stmt = con.createStatement();
stmt.setQueryTimeout(10);
hive thrown the exception Method not support. so how can I set the
query
ya,this morning,we see a serious question. when our system send sql CREATE
DATABASE IF NOT EXISTS dbname to hiveserver through jdbc, the result had not
been returned after several hours. And this is the second time.
是的。 今天凌晨 系统遇到一个问题， 执行 CREATE DATABASE IF NOT EXISTS dbname时，hiveserver 一直没有返回。
thanks for Pawar. the metadata store is fine and it was in our mysql safe
plateform. When I restart the hiveserver ,it 's ok. but when the hiveserver
occurred the question,it has been running about one week, and the mem is about
5g . so I agree 1).
If the large mem of hive cause the question,
Hi All,
I was just going through the implementation scenario of avoiding or
deleting Zero byte file in HDFS. I m using Hive partition table where the
data in partition come from INSERT OVERWRITE command using the SELECT from
few other tables.
Sometimes 0 Byte files are being generated in those
Hi Abshiek
Merging happens as a last stage of hive jobs. Say your hive query is
translated to n MR jobs when you enable merge you can set a size that is needed
to merge (usually block size). So after n MR jobs there would be a map only job
that is automatically triggered from hive which
This sounds goods as long as the output of select query has at least one
row. But in my case it can be zero rows.
Thanks,
Abhishek
On Mon, Mar 26, 2012 at 2:48 PM, Bejoy KS bejoy.had...@gmail.com wrote:
**
Hi Abshiek
Merging happens as a last stage of hive jobs. Say your hive query is
Hi Bejoy,
I am joining two tables which are both bucketed 64 ways and i want to do
a bucketed map join on them. I set the flag set hive.optimize.bucketmapjoin
= true;. The auto.convert.join is always false on our cluster. When i run
the following query:
select /*+ MAPJOIN(b) */ a.visitor_id
