Not sure about the part where your table "disappears", but your question is mostly answered in this blog post by our good friend Lars G. http://www.larsgeorge.com/2010/05/hbase-file-locality-in-hdfs.html
J-D On Thu, Oct 7, 2010 at 6:41 PM, yuliya Feldman <[email protected]> wrote: > Hello here, > > I have a question regarding HBase data locality in respect to HDFS data nodes. > As far as I understand regions created by region servers will happen to be > physically created on local Data Node if RegionServer happen to run on one. > > I had an issue with writing to Meta table and my table "dissapeared" from list > of tables. After I restarted hbase everything went back to normal, but regions > got reassigned to different region servers they were originally created. > > How this "(re)assignment" mechanism actually works? > > I am using hbase 0.20.4 at the moment. > > Thanks > > > > >
