Regardless of the quota, you can't write over a existing file (except by removing the file and adding a new file with the same name). But if you are only worried about the quota, you simply need to rotate your files. However, I don't know about any 'hdfs logrotate' like tool.
Bertrand On Wed, Jul 24, 2013 at 6:10 PM, Wukang Lin <vboylin1...@gmail.com> wrote: > Hi all, > Is there any way to use a hdfs file as a Circular buffer? I mean, if I set > a quotas to a directory on hdfs, and writting data to a file in that > directory continuously. Once the quotas exceeded, I can redirect the writter > and write the data from the beginning of the file automatically . > >