Yes, I know the which block is corrupted and want to rewrite the content of the block. (asuming the replication factor of the related file is 1)
On Fri, Nov 9, 2012 at 12:33 PM, Steve Loughran <ste...@hortonworks.com>wrote: > On 9 November 2012 17:37, Vivi Lang <sqlxwei...@gmail.com> wrote: > > > thxs for the replying, > > what i want to do is, for example, I have a file which already in hdfs, > > this file have lots of blocks, but I know some parts( and the related > > offset ) of this file is corrupted and I want to rewrite only a few > blocks > > (most likely only one block) instead of all, I am wondering is there any > > convenient way to do this replacement > > > > Thanks again! > > > > > Is the situation here that you have corrupted HDFS blocks? >
