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From hadoop hive <hadooph...@gmail.com>
Subject Re: Change the blocksize in 2.5.1
Date Thu, 20 Nov 2014 10:30:03 GMT
Make it final and bounce namenode
On Nov 20, 2014 3:42 PM, "Tomás Fernández Pena" <tf.pena@usc.es> wrote:

> Hello everyone,
>
> I've just installed Hadoop 2.5.1 from source code, and I have problems
> changing the default block size. My hdfs-site.xml file I've set the
> property
>
>   <property>
>      <name>dfs.blocksize</name>
>      <value>67108864</value>
>   </property>
>
> to have blocks of 64 MB, but it seems that the system ignore this
> setting. When I copy a new file, it uses a block size of 128M. Only if I
> specify the block size when the file is created (ie hdfs dfs
> -Ddfs.blocksize=$((64*1024*1024)) -put file .) it uses a block size of
> 64 MB.
>
> Any idea?
>
> Best regards
>
> Tomas
> --
> Tomás Fernández Pena
> Centro de Investigacións en Tecnoloxías da Información, CITIUS. Univ.
> Santiago de Compostela
> Tel: +34 881816439, Fax: +34 881814112,
> https://citius.usc.es/equipo/persoal-adscrito/?tf.pena
> Pubkey 1024D/81F6435A, Fprint=D140 2ED1 94FE 0112 9D03 6BE7 2AFF EDED
> 81F6 435A
>
>

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