John: Looks like you need a 'California-total' row in each region. Custom Split Policy can help you achieve that, see 9.7.4.1 in: http://hbase.apache.org/book.html#d0e6541
Cheers On Wed, Oct 9, 2013 at 7:28 PM, Vladimir Rodionov <[email protected]>wrote: > >>Contrived Example > > >>Insert rowkey "California-12345" triggers a coprocessor to call > >>incrementColumnValue() with a rowkey of "California-total" all on > Region 1. > > >>This would likely be on an insert on the same region. But as the table > >>grows, this secondary insert could end up on another region. If it is > >>confined, then suppose we later insert "California-95424" which still > >>triggers a call to incrementColumnValue() with a rowkey of > >>"California-total" all on Region 2. > > >>Are we now left with two rowkeys of "California-total"? One on each > >>region server? If so, what happens if these two regions are compacted > >>into one? > > >>Best regards, > > Nope, Your "California-total" will migrate to Region 2 after region split > is complete. > > Vladimir Rodionov > Principal Platform Engineer > Carrier IQ, www.carrieriq.com > e-mail: [email protected] > > ________________________________________ > > Confidentiality Notice: The information contained in this message, > including any attachments hereto, may be confidential and is intended to be > read only by the individual or entity to whom this message is addressed. If > the reader of this message is not the intended recipient or an agent or > designee of the intended recipient, please note that any review, use, > disclosure or distribution of this message or its attachments, in any form, > is strictly prohibited. If you have received this message in error, please > immediately notify the sender and/or [email protected] and > delete or destroy any copy of this message and its attachments. >
