HDFS Architecture talks more about fault tolerance. -
http://hadoop.apache.org/common/docs/current/hdfs_design.html
Removing core-dev@ & common-dev@ from list.
Please post general questions to general@ or comman-user@ .
-
Ravi
On 3/5/10 11:13 AM, "iprafulla" wrote:
Hi Everyone,
I am re
I just setup a new Hadoop cluster.
When I do
hadoop dfs -copyFromLocal /tmp/zero zero
the file zero is being copied to the current working directory. Its
not going to the DFS. Is there a way to fix this?
tia
Hi, all
The KV pairs (kv1, kv2, kv3 kv4) out from mapper would be partitioned into R
parts (e.g. R=2) by a partitioner. For example, kv1 and kv2 are in
partition1, while kv3 and kv4 are in partition2, the reducers will get KV
pairs from these two partitions, reducer1 get KV pairs from partition1 a
On Mar 5, 2010, at 3:47 PM, Gary Yang wrote:
Hi,
I try to compile hadoop common of the release 0.20.2. Below are the
error messages and java and ant versions I am using. Please tell me
what I missed.
Forrest, which we use to generate the documentation, requires java 5.
Therefore, run:
Did you first try 'ant jar' from under /hadoop_src ?
On Fri, Mar 5, 2010 at 3:47 PM, Gary Yang wrote:
> Hi,
>
> I try to compile hadoop common of the release 0.20.2. Below are the error
> messages and java and ant versions I am using. Please tell me what I missed.
>
> ..
>
> [javadoc] Stand
Hi,
I try to compile hadoop common of the release 0.20.2. Below are the error
messages and java and ant versions I am using. Please tell me what I missed.
..
[javadoc] Standard Doclet version 1.6.0_18
[javadoc] Building tree for all the packages and classes...
[javadoc] Building index
The source code is in the "regular" tarball.
For example,
http://mirror.cloudera.com/apache/hadoop/core/hadoop-0.20.2/hadoop-0.20.2.tar.gz
On Fri, Mar 5, 2010 at 11:33 AM, Gary Yang wrote:
> Hi,
>
> I would like to download the source code of hadoop-0.20.2. I am at
> http://mirrors.devlib.org/a
Download hadoop-0.20.2.tar.gz and expand it.
On Fri, Mar 5, 2010 at 11:33 AM, Gary Yang wrote:
> Hi,
>
> I would like to download the source code of hadoop-0.20.2. I am at
> http://mirrors.devlib.org/apache/hadoop/core/hadoop-0.20.2/hadoop-0.20.2.
> It shows me the "src" directory. However, I am
Hi,
I would like to download the source code of hadoop-0.20.2. I am at
http://mirrors.devlib.org/apache/hadoop/core/hadoop-0.20.2/hadoop-0.20.2. It
shows me the "src" directory. However, I am not able to download the source
code there after I clicked the src. Can someone direct me where I can g