On a 5 node hbase 1.1.2 cluster, I created a table with 2000 regions. Then I issued the following command in shell:
alter 'user', NAME => 'cf', VERSIONS => 5 Here was the output: http://pastebin.com/Ph06M8eX My cluster was not loaded. YMMV On Tue, Jan 17, 2017 at 2:04 AM, nh kim <[email protected]> wrote: > Hi All, > > I’m planning to use HBase online schema changes, and going to ALTER TABLE, > especially ADD COLUMNs, on Phoenix. > > Because my project handles quite a big dataset, > I want to make sure HBase supports quick and smooth schema changes without > disabling tables, > just as general RDMBS supports column modifications with very trivial > delay. > > It’ll be perfect if there is any performance or benchmark documentation. > But your any opinion or experience of that will be very helpful. > > Thanks! > NaHeon >
