on a side note, i'm looking at adding indexes to our hive tables as well, is
there a performance/space trade off comparison or metrics?
thx!
On Wed, Aug 3, 2011 at 10:52 AM, Siddharth Ramanan <
siddharth.rama...@gmail.com> wrote:
> Hi all,
> I have used compact index for my table and th
Hi all,
I have used compact index for my table and the response time is
same for a query with as well as without index now. Previously, it was
showing improvement. I just changed some parameters to increase heap size
and then it is behaving weird. so, how can I make sure that my query is
u
The reduce percentage keeps fluctuating when, the alter index command is
being keyed. The logs just give " out of memory error " after tweaking some
properties, the earlier exceptions doesn't appear now. Can anyone guide me
here? I have increased the heap space upto 4gb.. still, getting the same
ex
Hi,
I am adding the log information for a reduce task. I am running hadoop
in standalone mode.
2011-07-28 19:16:42,621 ERROR
org.apache.hadoop.hive.ql.stats.jdbc.JDBCStatsPublisher: Error during JDBC
connection to jdbc:derby:;databaseName=TempStatsStore;create=true.
java.lang.ClassNotFoundExc
Hi,
I have a table, which has close to a billion rows.. I am trying to
create an index for the table, when I do the alter command, I always end up
with map-reduce jobs with errors. The same runs fine for small tables
though, I also notice that the number of reducers are set to 24, even if set
