You can update existing data through manually triggering compaction. After you make a change like this, go to the hbase shell and execute:
major_compaction 'yourtablename' After major compaction all of the store files for the table will abide the most recent schema settings. Best regards, - Andy Problems worthy of attack prove their worth by hitting back. - Piet Hein (via Tom White) ----- Original Message ----- > From: Weiwei Xiong <xion...@gmail.com> > To: user@hbase.apache.org > Cc: > Sent: Friday, July 8, 2011 6:02 PM > Subject: Enable BLOOMFILTER on existing tables > > Hi all, > > I want to enable the bloomfilter on some existing tables to speed-up row-key > existence checking. I altered the BLOOMFILTER from "NONE" to > "ROW" for this > purpose. > > But one think I am not clear is, will the setting change also take effect on > pre-existing rows? Or only rows to be inserted in future get the BLOOMFILTER > property? > > If bloomfilter change won't be applied to existing rows, is there any other > way to speed up the row-key existence checking? > > Thanks, > ww >
