-Re: restriction on the number of tables in hbase and its impact on performance
Kevin O'dell 2012-08-24, 15:04
This is an interesting question, but it sounds like overkill. I would
not worry about having tables up that aren't active. If you keep your
active region count down and your memory footprint reasonable <16GB heap
you should be fine.
On Fri, Aug 24, 2012 at 1:01 AM, Rohit Kelkar <[EMAIL PROTECTED]> wrote:
> I have asked this question on stackoverflow -
> Also asking the same on this list --
> Our hbase schema in production has 5 tables. We have N clients where
> in only 10% of the clients are active at any given instant. So for me
> it looks like a waste of resources to keep the data of remaining 90%
> clients active. I was thinking of creating 5 tables per client so that
> I can keep the active client's tables enabled and the remaining
> client's tables disabled. From what I have read if we exceed 1000
> regions per region server then performance starts degrading. But I am
> sure not to hit that limit. My questions
> If I disable a set of tables then does it mean that I am putting less
> load on hbase?
> Does this seem like a sound strategy overall?
> - Rohit Kelkar
Customer Operations Engineer, Cloudera