Fixed length encoding is the least efficient encoding and a cause of the
high expansion. Consider use dictionary, or some custom encoding.
On Wed, May 18, 2016 at 12:16 PM, hongbin ma wrote:
> I guess there is one or more dimensions with very high cardinality? have
> you read http://kylin.apache
I guess there is one or more dimensions with very high cardinality? have
you read http://kylin.apache.org/blog/2016/02/18/new-aggregation-group/?
there might be some inspirations there.
also, are the four fixed length dimensions all text? are there any
relationships between the dimensions? Why not
Which kylin version do you use? The latest version have a good improvement in
data expansion.
-Original Message-
From: Peng [mailto:pengli0...@outlook.com]
Sent: Monday, May 16, 2016 10:21 AM
To: dev@kylin.apache.org
Subject: expansion rate so high
Hi,
Is it normal when the expansi
