https://community.cloudera.com/t5/Support-Questions/Map-and-Reduce-Error-Java-heap-space/td-p/45874
On Fri, Feb 14, 2020, 6:58 PM David Mollitor wrote:
> Hive has many optimizations. One is that it will load the data directly
> from storage (HDFS) if it's a trivial query. For example:
>
> Sele
Hive has many optimizations. One is that it will load the data directly
from storage (HDFS) if it's a trivial query. For example:
Select * from table limit 10;
In natural language it says "give me any ten rows (if available) from the
table." You don't need the overhead of launching a full mapr
Hi,
Do you have more complete tracebacks?
Missatge de Charles Givre del dia dt., 11 de febr. 2020
a les 2:54:
> Hello Everyone!
> I recently joined a project that has a Hive/Impala installation and we are
> experience a significant number of query failures. We are using an older
> version of H
