Thanks for your reply. But with load balancing i mean the increased access load. Some documents stored in the HDFS could be very popular and therefor accessed more often then others. Then HDFS needs to balance the load - distribute the requests to different nodes. Is i possible?
lohit schrieb: > If you have a fixed set of nodes in cluster and load data onto HDFS, it tries > to automatically balance the distribution across nodes by selecting random > nodes to store replicas. This has to be done with a client which is outside > the datanodes for random distribution. If you add new nodes to your cluster > or would like to rebalance your cluster you could use the rebalancer utility > http://hadoop.apache.org/core/docs/current/hdfs_user_guide.html#Rebalancer > > -Lohit > > > ----- Original Message ---- > From: Mork0075 <[EMAIL PROTECTED]> > To: core-user@hadoop.apache.org > Sent: Wednesday, August 27, 2008 12:54:48 AM > Subject: Load balancing in HDFS > > Hello, > > i'am planning to use HDFS as a DFS in a web application evenvironment. > There are two requirements: fault tolerence, which is ensured by the > replicas and load balancing. Is load balancing part of HDFS and how is > it configurable? > > Thanks a lot > >
