Hi
I was trying block sampling on a 6 million (~400MB sized table) and can see if
I sample about 1 percent of the data I get about 3x faster response on the
queries (I can also see difference in the data returned). The input format
though is 'org.apache.hadoop.mapred.TextInputFormat
y, June 15, 2012 3:20 PM
> *To:* user@hive.apache.org
> *Subject:* Re: Block Sampling
>
> ** **
>
> Hi Anand,
>
> ** **
>
> This feature was implemented in HIVE-2121 and appeared in Hive 0.8.0.
>
> ** **
>
> Ref: https://issues.apache.org/jira/br
Thanks Carl. Could you give me edit rights to the wiki
(ala...@microstrategy.com<mailto:ala...@microstrategy.com>) to update the
sampling page with this info
From: Carl Steinbach [mailto:c...@cloudera.com]
Sent: Friday, June 15, 2012 3:20 PM
To: user@hive.apache.org
Subject: Re: Block Sa
Hi Anand,
This feature was implemented in HIVE-2121 and appeared in Hive 0.8.0.
Ref: https://issues.apache.org/jira/browse/HIVE-2121
Thanks.
Carl
On Fri, Jun 15, 2012 at 11:59 AM, Ladda, Anand wrote:
> Has the block sampling feature been added to one of the latest (Hive 0.8
> or Hi
Has the block sampling feature been added to one of the latest (Hive 0.8 or
Hive 0.9) releases. The wiki has the blurb below on block sampling
Block Sampling
It is a feature that is still on trunk and is not yet in any release version.
block_sample: TABLESAMPLE (n PERCENT)
This will allow Hive to
