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HBase, mail # user - A question of storage structure for memstore?


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yonghu 2012-10-22, 11:25
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Kevin Odell 2012-10-22, 12:25
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RE: A question of storage structure for memstore?
Anoop Sam John 2012-10-22, 13:05
To be precise there will be one memstore per family per region..
If table having 2 CFs and there are 10 regions for that table then totally 2*10=20 memstores..

-Anoop-
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From: Kevin O'dell [[EMAIL PROTECTED]]
Sent: Monday, October 22, 2012 5:55 PM
To: [EMAIL PROTECTED]
Subject: Re: A question of storage structure for memstore?

Yes, there will be two memstores if you have two CFs.
On Oct 22, 2012 7:25 AM, "yonghu" <[EMAIL PROTECTED]> wrote:

> Dear All,
>
> In the description it mentions that a Store file (per column family)
> is composed of one memstore and a set of HFiles. Does it imply that
> for every column family there is a corresponding memstore? For
> example. if a table has 2 column families, there will be 2 memstores
> in memory?
>
> regards!
>
> Yong
>
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yonghu 2012-10-22, 14:13