bq. single row is always located in the one region Yes.
On Tue, Mar 18, 2014 at 1:12 PM, Mikhail Antonov <olorinb...@gmail.com>wrote: > Thanks for the quick reply, Ted! > > I believe I saw that on the stackoverflow, but can't quickly find the link > now. I primarily asked thinking that it may be some low-level > implementation detail, hence not widely mentioned or discussed. So > including the latest releases (I looked thru the release notes of 0.98 and > 0.96 briefly and didn't find anything relevant), the right answer still is > - the single row is always located in the one region? > > -Mikhail > > > 2014-03-18 12:22 GMT-07:00 Ted Yu <yuzhih...@gmail.com>: > > > bq. I've heard also information that for the huge (wide) rows ... > > > > That is not true. > > Where did you get such information ? > > > > > > On Tue, Mar 18, 2014 at 11:37 AM, Mikhail Antonov <olorinb...@gmail.com > > >wrote: > > > > > Hey guys, > > > > > > I have one question regarding splitting the table to regions which I > > > couldn't find the complete answer for. > > > > > > So I found in the various sources that the region split divides the > table > > > by the rowkey, and that the single row is always guaranteed to be > > contained > > > within the single region. > > > > > > However, I've heard also information that for the huge (wide) rows, > there > > > is also a possibility to split them by column families, i.e. the huge > > > single row can actually have it's column families located in different > > > regions, hence, the single row can span multiple regions. > > > > > > Having looked at the regionserver sources of SplitTransaction and > > around, I > > > couldn't find anything related to splitting the row by the column > > families. > > > > > > Could you please advise me if it's actually possible or not? > > > > > > -- > > > Thanks, > > > Michael Antonov > > > > > > > > > -- > Thanks, > Michael Antonov >
