Re: Hdfs Block Size

2010-10-07 Thread Jeff Zhang
Yes, this relates with the native file system block size and disk block size, and can reduce the disk fragmentation. On Fri, Oct 8, 2010 at 2:03 AM, rakesh kothari wrote: > Is there a reason why block size should be set to some 2^N, for some integer > N ? Does it help with block defragmentation

Hdfs Block Size

2010-10-07 Thread rakesh kothari
Is there a reason why block size should be set to some 2^N, for some integer N ? Does it help with block defragmentation etc. ? Thanks, -Rakesh