Hi! I'm not totally sure about this, but I think that 1 family is stored in 1 HStore which consists of multiple HStoreFiles which in their turn consists of mapfiles and an index file.
Regards Erik On Wed, Dec 17, 2008 at 8:52 AM, Slava Gorelik <[email protected]>wrote: > Hi. > > I think it should be faster, even for the reason that each column family is > separate map file (correct me if i wrong).It means when you will ask for > specific column family, HBase will not open other map files. > Btw, the functionality to get particular column family will be released in > 0.19 : https://issues.apache.org/jira/browse/HBASE-857 > > > Best Regards. > > > On Wed, Dec 17, 2008 at 5:59 PM, Michael Dagaev <[email protected] > >wrote: > > > Hi, all > > > > Let there is a row with A, B, and C column families. Let C column > > family many-many columns (qualifiers). As I understand, retrieve of > > such a row is slow. What if I retrieve only A and B columns but not C > > ? I guess it will be much faster. Is it correct? > > > > Thank you for your cooperation, > > M. > > >
