hadoop-mapreduce-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "M. C. Srivas" <mcsri...@gmail.com>
Subject Re: updates in hdfs
Date Wed, 31 Oct 2012 16:09:26 GMT
I was under the impression that file-append was deprecated in HDFS.


On Tue, Oct 30, 2012 at 10:13 PM, Harsh J <harsh@cloudera.com> wrote:

> Shiv,
>
> HDFS does have file-append support (i.e. add data at end of a
> previously closed file). HDFS does not have random-write support (i.e.
> writing data at a selected offset in the file).
>
> What is your use-case though, that you seek to do updates over files
> on HDFS? Perhaps you are instead looking for HBase, which has a
> slightly different way of storing things but provides updates+versions
> in a way over HDFS.
>
> On Wed, Oct 31, 2012 at 10:28 AM, Siva Gudavalli
> <siva.gudavalli@synechron.com> wrote:
> > Hi,
> >
> > Is there any mechanism on how to do updates to a files on hdfs?
> >
> > Regards
> > shiv
>
>
>
> --
> Harsh J
>

Mime
View raw message