Hi.
Should I call the block re-balancer every time a new DataNode is added or
removed?
Or what is the recommended procedure of re-balancing the blocks for better
fault tolerance?
Regards.
Hi
You can perhaps mount the hdfs to linux fs and then read directly. Check
this link : http://wiki.apache.org/hadoop/MountableHDFS
-nitesh
On Fri, Apr 10, 2009 at 5:19 PM, Stuart White stuart.whi...@gmail.comwrote:
Not sure if this is what you're looking for...
Hi.
I wonder, what Hadoop community uses in order to make NameNode resilient to
failures?
I mean, what High-Availability measures are taken to keep the HDFS available
even in case of NameNode failure?
So far I read a possible solution using DRBD, and another one using carp.
Both of them had the
Alex,
Ouput of $ bin/hadoop fsck / command after running HBase data insert
command in a table is:
.
.
.
.
.
/hbase/test/903188508/tags/info/4897652949308499876: Under replicated
blk_-5193
695109439554521_3133. Target Replicas is 3 but found 1 replica(s).
.
We use Hadoop Streaming and needed to assign unique ids to rows/records. I
wrote some code in
Python to do this and thought I'd share it. This works in both the map
reduce phase. This was
inspired by how MySQL handles auto-increment in a master-master setup (with
auto_increment_increment
Not 100% sure but I thank they plan on using zookeeper to help with namenode
fail over but that may have changed.
Billy
Stas Oskin stas.os...@gmail.com wrote in
message news:77938bc20904110243u7a2baa6dw6d710e4e51ae0...@mail.gmail.com...
Hi.
I wonder, what Hadoop community uses in order to
Hi.
Any tutorial about using Zookeeper with NameNode?
Thanks!
2009/4/12 Billy Pearson sa...@pearsonwholesale.com
Not 100% sure but I thank they plan on using zookeeper to help with
namenode fail over but that may have changed.
Billy
Stas Oskin stas.os...@gmail.com wrote in message
