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From Robert Coli <rc...@eventbrite.com>
Subject Re: About column family
Date Tue, 23 Jul 2013 16:40:04 GMT
On Tue, Jul 23, 2013 at 3:23 AM, bjbylh <bjbylh@me.com> wrote:

> 1,how many column families can be created in a cluster?is there a limit to
> the number of it?
>

Low number of hundreds is highest practical. The limit in practice is
amount of heap, each CF consumes heap.


> 2,it spents 2-5 seconds to create a new cf while the cluster contains
> about 10000 cfs(if the cluster is empty,it spents about 0.5s).is it
> normal?how to improve the efficiency of creating cf?
>
> Yes, that doesn't seem surprising to me. See above.

=Rob

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