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From Ulul <had...@ulul.org>
Subject Re: Default Block Size in HDFS
Date Sun, 22 Feb 2015 23:16:19 GMT
Sorry forgot that "as of" meant "starting with" :-)

Actually 128 MB started around 2.2.0
2.0.5-alpha was still 64MB

In any case it's just a default, it is often raised on production

Le 22/02/2015 20:51, Ted Yu a écrit :
> As of Hadoop 2.6, default blocksize is 128 MB (look for dfs.blocksize)
> https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/hdfs-default.xml
>
> Cheers
>
> On Sun, Feb 22, 2015 at 11:11 AM, Krish Donald <gotomypc27@gmail.com 
> <mailto:gotomypc27@gmail.com>> wrote:
>
>     Hi,
>
>     I have read somewhere that default block size in Hadoop 2.4 is 256MB .
>     Is it correct ?
>     In which version default block size was 128MB ?
>
>     Thanks
>     Krish
>
>


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