Shivram,
many thanks for confirming the behavior. I will also turn on the
shortcircuit as you suggested. Appreciate the help
Demai
On Mon, Oct 13, 2014 at 3:42 PM, Shivram Mani wrote:
> Demai, you are right. HDFS's default BlockPlacementPolicyDefault makes
> sure one replica of your block is a
Demai, you are right. HDFS's default BlockPlacementPolicyDefault makes sure
one replica of your block is available on the writer's datanode.
The replica selection for the read operation is also aimed at minimizing
bandwidth/latency and will serve the block from the reader's local node.
If you want
hi, folks,
a very simple question, looking forward a couple pointers.
Let's say I have a hdfs file: testfile, which only have one block(256MB),
and the block has a replica on datanode: host1.hdfs.com (the whole hdfs may
have 100 nodes though, and the other 2 replica are available at other
datanod