It seems that reducing the number of versions kept by column family enable the freeing of space.
Regards Cyril SCETBON On Jun 27, 2012, at 8:03 PM, Amandeep Khurana wrote: > Cyril, > > Did you notice the space on the hbase directory in HDFS change at all? It > takes time to complete the major compactions (and it depends on the size of > the tables). Deleting column families will just delete those HFiles. That > should definitely free up space. > > -Amandeep > > On Wed, Jun 27, 2012 at 4:50 AM, Cyril Scetbon <[email protected]>wrote: > >> Hi, >> >> I've a table with 4 column families. I've deleted the data in a column >> family with an alter command and tried a major_compact on the table but I >> can't free space :( it's still filled at 80%. I've just changed the number >> of versions on the column family and tried another major compact. Is it the >> good way ? is there another thing to do ? >> >> thanks >> >> >> Cyril SCETBON >> >>
