Thank you for your quick response. After reading the materials you recommended, my conclusion is that Hadoop does not provide interface to customize the data placement policy. We need to add some codes to the source package of HDFS. Is that right?
Thanks, Fei On Tue Jan 13 2015 at 10:42:27 PM Ted Yu <[email protected]> wrote: > See this thread: http://search-hadoop.com/m/lAh9i28K7 > > See also HDFS-7228 > > Cheers > > On Tue, Jan 13, 2015 at 7:33 PM, Fei Hu <[email protected]> wrote: > >> Hi, >> >> I want to customize the data placement strategy rather than using the >> default strategy in HDFS. Is there any way to control which datanode the >> replica is delivered to? >> >> Thank you in advance. >> >> Best regards, >> Fei > > >
