Hi Kiyoshi,

In case you haven't received a reply, try

hadoop jar hadoop-*-test.jar TestDFSIO -Ddfs.block.size=536870912 -D
dfs.replication=1 ....

If that works, add them as part of your client-side config.

Koji


On 5/13/10 11:38 PM, "Kiyoshi Mizumaru" <[email protected]> wrote:

> Hi all, this is my first post to this list, and if i'm not in
> appropriate place, please let me know.
> 
> 
> I have just created a Hadoop instance and its HDFS is configured as:
>   dfs.replication = 1
>   dfs.block.size = 536870912 (512MB)
> 
> Then I typed the following command to run TestDFSIO against this instance:
>   % hadoop jar hadoop-*-test.jar TestDFSIO -write -nrFiles 1 -fileSize 1024
> 
> One file with 1024MB size should consist of 2 blocks of size 512MB,
> but filesystem browser shows that /benchmarks/TestDFSIO/io_data/test_io_0
> consists of 16 blocks of size 64MB, and its replication is 3, so 48 blocks
> are displayed in total..
> 
> This is not what I expected, does anyone know what's wrong?
> 
> I'm using Cloudera's Distribution for Hadoop (hadoop-0.20-0.20.2+228-1)
> with Sun Java6 (jdk-6u19-linux-amd64).  Thanks in advance and sorry for
> my poor English, I'm still leaning it.
> --
> Kiyoshi

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