Hi Guillaume, I think you've sent your query to the wrong list. This is the Apache Aries ( http://aries.apache.org/) user list. I think it more likely that you meant to send this via http://hive.apache.org/mailing_lists.html.
Regards, Mark On 6 June 2011 14:57, Guillaume WEILL <[email protected]> wrote: > Hi! > > When I run the same query several times in Hive, the execution time > decreases (1000s,800s, 400s, 300s). That it is due solely to the use of > ram? > Assuming that the execution time of a request increases in proportion to > the size of the table being queried, should I assume that if my table > increases to exceed my RAM space, my performance would be proportional to the > first query execution time? (ie. Assuming my RAM has aspace of 10GB and a > query on a table of 10 GB runs in 1000s 300s Then, a query on 20GB will > run again in 2000s, without observing a decrease again after the request?) > > Thanks, > -- > Guillaume > > Ps : Sorry for my poor english. >
