Hi Syed, See if this link helps.
http://hortonworks.com/blog/apache-hbase-region-splitting-and-merging/ Thanks. On Sun, Dec 15, 2013 at 12:18 AM, Syed Abdul Kather <[email protected]> wrote: > Hi , > Thanks for your reply . Actually i am trying to write my own framework > kinda. As i need to do lot of in memory operation [ via mem cache ] within > region . So i required to read the data directly in the region in that RS > . > If there is a way where i can read the data in that region in RS. It > will really helps . Please let me know if there is way to do that. > > > Thanks in Advance > Syed Abdul Kather > > > > > Thanks and Regards, > S SYED ABDUL KATHER > > > > On Fri, Dec 13, 2013 at 9:09 PM, Jean-Marc Spaggiari < > [email protected]> wrote: > > > Hi Syed, > > > > What is you goal? > > > > Do you want to read all the entries for this region and process them? Or > > you want to get a specific entry on this region? Or you want to process > all > > the regions, but make sure you are doing that locally to the region > server? > > > > For 1: You a scan using the region boundaries. > > For 2: Use a get > > For 3: You a MR job. > > > > JM > > > > > > 2013/12/13 Syed Abdul Kather <[email protected]> > > > > > Hi Ted , > > > Thanks for your reply . But I don't want to use coprocessor . Is > > > there a way where I can read data via our custom jar > > > > > > Like : > > > > > > Region obj = new Region ( Region name ) > > > Obj.read() ; > > > > > > Thanks > > > Syed > > > > > > > > > On Dec 13, 2013 8:36 PM, "Ted Yu" <[email protected]> wrote: > > > > > > > Take a look at > > > > https://blogs.apache.org/hbase/entry/coprocessor_introduction > > > > > > > > Cheers > > > > > > > > On Dec 13, 2013, at 5:38 AM, Syed Abdul Kather <[email protected]> > > > wrote: > > > > > > > > > Hi , > > > > > Is there a way where i can read record in region directly? > > > > > > > > > > Example : > > > > > If my table is splited into 8 region and i have 4 RS(Each has 2 > > > > > region) . I have control on my Rowkey split. > > > > > Now i need to read data directly from the Region and process [Data > > > > > Locality]. I will send my jar to the specified region and it will > get > > > > > executed kinda > > > > > > > > > > > > > > > If there is link to read it Please share it can be useful. > > > > > > > > > > Thanks and Regards, > > > > > S SYED ABDUL KATHER > > > > > > > > > > >
