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From: Maciek [mailto:mac...@sonra.io]
Sent: 26 January 2016 22:01
To: user
Subject: Re: Bucketing in Hive
These two serve
ommonly used among RDBMS .
>
>
>
> Excuse my ignorance, I am at loss to know why hash partitioning is called
> bucketing in Hive? Someone may throw light on what are the main differences
> if any.
>
>
>
> As I see it in RDBMS Partitioning has these benefits:
>
>
>
&
among RDBMS .
Excuse my ignorance, I am at loss to know why hash partitioning is called
bucketing in Hive? Someone may throw light on what are the main differences if
any.
As I see it in RDBMS Partitioning has these benefits:
1.Availability -- each partition can reside on a different
Thanks for the help with this.
Thanks,
Ranjith
From: Bejoy Ks [mailto:bejoy...@yahoo.com]
Sent: Friday, December 16, 2011 04:41 AM
To: user@hive.apache.org
Subject: Re: bucketing in hive
Ranjith
You can definitely change the number of buckets in a hive table even after
its creation. You
a different number of buckets.
Hope it helps!...
Regards
Bejoy.K.S
From: "Raghunath, Ranjith"
To: "'user@hive.apache.org'" ; "'bejoy...@yahoo.com'"
Sent: Friday, December 16, 2011 10:48 AM
Subject: Re:
Thanks Bejoy. Appreciate the insight.
Do you know of altering the number of buckets once a table has been set up?
Thanks,
Ranjith
From: Bejoy Ks [mailto:bejoy...@yahoo.com]
Sent: Thursday, December 15, 2011 06:13 AM
To: user@hive.apache.org ; hive dev list
Subject: Re: bucketing in hive
Hi
Hi Ranjith
I'm not aware of any Dynamic Bucketing in hive where as there is
definitely Dynamic Partitions available. Your partitions/sub partitions would
be generated on the fly/dynamically based on the value of a particular column
.The records with same values for that column wou
Can one use bucketing in hive to emulate hash partitions on a database? Is
there also a way to segment data into buckets dynamically based on values in
the column. For example,
Col1 Col2
Apple1
Orange 2
Apple2
Banana
