On Thu, May 10, 2012 at 6:26 AM, Michael Segel <michael_se...@hotmail.com> wrote:. > 4) google dfs.balance.bandwidthPerSec I believe its also used by HBase when > they need to move regions.
Nah. This is an hdfs setting. HBase don't use it directly. > Speaking of which what happens when HBase decides to move a region? Does it > make a copy on the new RS and then after its there, point to the new RS and > then remove the old region? > When one RS closes the region and another opens it, there is no copy to be done since the region data is in the HDFS they both share. St.Ack
