bq. another regionserver, which contain another copy of the data, will pick up.
Replica of data (HFile and WAL) is stored on data nodes. In http://hbase.apache.org/book.html, take a look at 9.7.2.2. Failover and 9.7.3. Region-RegionServer Locality Cheers On Fri, Sep 20, 2013 at 4:14 PM, Demai Ni <[email protected]> wrote: > hi, folks, > > My understanding of hbase within cluster highavailability is to keep 3 copy > of data(dfs.replication, default is 3). Whenever a region server > fails(offlline), another regionserver, which contain another copy of the > data, will pick up. > > Is my understanding correct? In that case, usually how long will take the > failover to complete, so that the data will be available? > > Can I get a couple pointers? or on-line doc? many thanks > > Demai >
