Thanks for all the info. I will give it a try. On Wed, Aug 22, 2018 at 12:13 PM, Ted Yu <yuzhih...@gmail.com> wrote:
> Antonio: > Please take a look at CellCounter under hbase-mapreduce module which may be > of use to you: > > * 6. Total number of versions of each qualifier. > > > Please note that the max versions may fluctuate depending on when major > compaction kicks in. > > > FYI > > On Wed, Aug 22, 2018 at 11:53 AM Ankit Singhal <ankitsingha...@gmail.com> > wrote: > > > I don't think so if there is any direct way. > > You may need to do a raw scan of a full table and count the number of > > versions of a column returned for each row to calculate the max. (you can > > optimize this with custom coprocessor by returning a single row key > having > > the largest versions of a column through each regionserver and at client > > select max out of all results) > > > > On Wed, Aug 22, 2018 at 11:28 AM Antonio Si <antonio...@gmail.com> > wrote: > > > > > Hi, > > > > > > I am new to hbase. I am wondering how I could find out which rowkey has > > the > > > largest number of versions in a column family. > > > > > > Any pointer would be very helpful. > > > > > > Thanks. > > > > > > Antonio. > > > > > >
