I forgot to ask the version of HBase you're using. merge_region command is not available in 0.94.x
FYI On Tue, Mar 11, 2014 at 3:38 PM, Ted Yu <[email protected]> wrote: > See http://hbase.apache.org/book.html#d2566e7164 > > > On Tue, Mar 11, 2014 at 3:25 PM, Linlin Du <[email protected]>wrote: > >> Hi all, >> >> Our usage of hbase is pretty dummy and in many cases, time stamp is used >> as the prefix >> of the keys. And it is too late to get that fixed now. >> As more data comes in, more new regions will be sprawn from the existing >> regions. And after >> the retention period expires, many regions are literally empty. It is >> desirable to have these >> empty region deleted. So my question is how to find out when a region was >> last modified/read. >> And is there any easy way to merge those regions when they are empty? >> >> Thanks. >> >> Linlin >> >> >> >> > > >
