Ted, Thanks a lot. I will look into it
Demai on the run On Sep 20, 2013, at 8:44 PM, Ted Yu <[email protected]> wrote: > 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 >>
